5 Takeaways from the Carphone Warehouse Breach

The Carphone Warehouse breach is the biggest so far announced in the post GDPR era.

What are the salient points to note from this breach? 

  1. 6 million records accessed 
  2. NCSC, ICO, FCA investigating 
  3. 3 million records accessed in 2015 breach 
  4. Cyber security risk identified by board in last FY report 
  5. If GDPR applies, maximum fine of £420m could apply 

 

A recently announced massive cyber attack at Dixons Carphone Warehouse has resulted in significant unauthorised access to millions of records including personal data. It appears that two breaches occurred which resulted in; 

 

  • 6 million customer records being stolen including 5.9 million payment card details  
  • 1.2 million customer records including name, address, email 

 

In January Carphone Warehouse were fined £400,000 for a breach that occurred in 2015 when 3m customer records (including personal details) and 1,000 employee records were stolen. 

 

Dixons say the breach was only discovered in the week leading up to the announcement and it actually occurred in the July 2017. Under the Data Protection Act they would be liable to a maximum fine of £500,000. Under the new GDPR regulation the fine could rise to a maximum of £420m based on last years’ global turnover of £10.5bn. 

 

In their most recent report, Dixons identified information security as a risk and their potential vulnerability to malware and cyber attacks. They identified potential consequences that could include reputational damage, reduced cash flow, financial penalties, reduced revenue and profitability, loss of competitive advantage. Dixons did appear however to be heading in the right direction to manage the risk ensuring senior management oversight including a Strategic Improvement Plan and increased investments targeted at managing the information/cyber security risk. 

 

The independent regulator the ICO is investigating the current breach along with the FCA and NCSC. The ICO has said it is yet to determine whether GDPR or the 1998 Data Protection regulations will apply. 

 

The NCSC is working on how the breach has impacted UK citizens and what measures can be taken to prevent such a breach re-occurring. They have also published guidance on what to do for people who think they have been affected by the breach. 

 

The CEO Alex Baldock has apologised saying that they have fallen short of expected standards. He confirmed that they have called in cyber experts to investigate as well as relevant authorities and the unauthorised access has now been blocked. 

 

Anyone affected or concerned about their personal data being accessed and how it could be used should contact Action Fraud. 

 

The breach came to light as a result of a massive attempt to compromise the cards in a card processing system, this means that someone tried to use the card details to take unauthorised payments. 

 

Dixons shares fell 6% following the announcement of the breach. 

 

Useful Resources

GDPR Readiness Test [Checklist]
GDPR 12 Step to take NOW [Infographic] 
9 Steps to Implement a Security Management Tool [eBook]

 

 

Is Cyber Security still a Maze?

InfoSecurity Europe 2018
I attended Infosec2018 this week at London Olympia. It was a vibrant event as you can imagine with every exhibitor enthusiastic to promote their wares. They were also eager to grab your details with their ‘GDPR compliant’ badge scanner. As a technologist of too many years to mention (I started in IT when 5-inch floppy discs were the rage), what really dawned on me is that it is understandable why many small businesses are not fully engaging in a comprehensive cyber security strategy.
There are many vendors with absolutely great solutions targeted at fixing some particular problems or protecting a specific area of potential exposure. And of course, there were many GDPR compliant or GDPR enabling solutions on view. The information security landscape is increasingly becoming more challenging as technology becomes more pervasive, as the cyber attack surface increases and as the sophistication and scale of attacks also increases to match.
Cyber Security really needs to be demystified to a large extent to make it more accessible to organisations. What would have really been a helpful approach from vendors would be a means of sharing a common language of Cyber Security. A means of easily identifying where each vendors solution sits in the Cyber Security stack and what it talks to vertically and horizontally.
This would be akin to placing their offering in a Cyber Security jigsaw puzzle so that organisations can clearly see where it sits, what problems it solves and importantly what problem it doesn’t solve. Such an approach would make it easier for decision makers to engage and fully commit to adopting and implementing a comprehensive strategy for effective Cyber Security.
It has been an ongoing bug bear of mine that businesses don’t easily have a conversation about their security needs. There are some obvious reasons for this such as lack of resource, lack of understanding or no buy-in at senior management level. There is also a tendency to not want to do anything because “we’ve been OK so far despite all the doom and gloom”.
This was reinforced in a very enlightening conversation I had with the team at the National Cyber Security Centre (the public face of GCHQ). They strongly advocated that cyber security ownership now has to be at CxO level of organisations. It will only be taken seriously, and the right strategy and resources effected when CxOs understand the business imperative of getting this right and the consequences of not doing what needs to be done.
He lamented the fact that too many organisations are sitting back and waiting until it’s too late before they do something.
He also advised rightly so that it was not actually so difficult to achieve a respective level of Cyber Security. The NCSC have published guidelines on this in terms of 10 Steps to achieve Cyber Security and this really is very straightforward practical actionable guidance.
I must say of all the people I spoke to during the day at Infosecurity, he was the most impassioned and engaged individual (long live our public services).
On a final one of my reasons for going to InfoSec was to research products that I think are unique and can fulfil customer needs. I actually met a supplier that has been named Cool Vendor by Gartner. Being my usually cheeky self I said “you guys don’t look cool”, however after spending some time understanding what the product is able to do to expose Cyber Security gaps, I am convinced that every organisation connected to the Internet needs such as service. Literally within seconds of clicking a button you can test for a range of exposures and vulnerabilities. Lack of visibility is a challenge we all face when it comes to digital communication but it is actually ‘cool’ if you can see your exposures and do something about them before it’s too late. We are in the process of signing up with this cool vendor and will bring you news about the service in the near future.

Cyber Resilience | The Framework you Should Follow

Have you sometimes found yourself bewildered by the sheer volume of bad news out there especially about emerging cyber threats and actual attacks. It is not uncommon to wonder when you will come under a similar threat or worst still is it happening already but you just haven’t detected it yet. What would give us more comfort is understanding that we were cyber resilient to threats to a large extent, sure nothing is ever 100% guaranteed but it would sure be good to a high a high level of confidence about our ability to survive such an eventuality.

So what would good cyber resiliency actually look like?

Cyber resiliency is really about keeping the business operational despite an attack or incident. It is about the organisation having the systems, processes and controls in place to detect an attack, contain it, recover or maintain operations despite the attack and clean up the affected systems.
Some specific objectives of cyber resilience would include the following.
  • Prevention–apply basic cyber protection mechanisms as well as more advanced cyber security controls to reduce the risk. In addition, threat intelligence is applied to keep the protection relevant
  • Cyber response preparation– create and maintain cyber incident scenarios to train staff and maintain a good level of readiness. If an incident happens, there is a plan and people know what to do
  • Minimise service degradation- in the instance of an attack
  • Identify potential damage- and change resources to limit further damage
  • Maintain trust relationships- and review trust of restored systems
  • Effective controls- understand the effectiveness of cyber security controls in relation to the nature of the adversaries
  • Review systems architecture and restructure to reduce risks
The NIST have published some recommendations that could help with achieving cyber resilience and some of these are outlined below.
A word of caution, this is not for the faint hearted as it reads as if from a military manual.
Adaptive Response- maximise the ability to respond in a timely and appropriate manner to adverse conditions thus limiting business impact and maintaining operations.
Analysis and monitoring– maximise the ability to detect attacks by extensive monitoring that can reveal the extent and scope of an attack. We have seen how AI and Machine Learning is playing an increasing role in this area
Coordinated Protection– implemented a range of protection measures that follow the defence in depth principles thus ensuring that attacks will need to overcome multiple mechanisms in order to be successful
Deception– conceal critical equipment or resources from the attacker, this could include techniques such as encryption or multi-layered firewall approach
Diversity– limit the likelihood of successful attacks on common replicated systems forcing attackers to breach different systems necessitating multiple variants of malware
Dynamic Positioning– distribute and dynamically relocate system resources, this could easily be achieved in a resilient cloud environment, this could go a long way to supporting recovery and continuity as well as making it more difficult for attackers to determine the infrastructure topology
Non Persistence– generate and create resources as needed and avoid the likelihood of intrusions through backdoors left on unused resources
Privilege Restriction– restrict access privileges based on attributes of users and systems as well as environmental considerations i.e. do not give admin rights to a user connected via an Internet café or via a country you have no business with
Redundancy–provide multiple instances of critical business systems to aid recovery from failure of primary systems
Segmentation– define and separate elements of your systems based on their criticality and attribute permissions accordingly. This will help to prevent the spread of malware and give further protection to critical systems
Unpredictability– make random and unpredictable changes to increase uncertainty for attackers thus making it more difficult for them to determine their attack sequence
These techniques put together will go a long way to achieve a high degree of cyber resiliency, which will result in the ability to manage the cyber risk and maintain operational services especially in times of persistent attack

How to protect your information assets with technology

Having GDPR compliant processes and procedures is an essential and fundamental part of ensuring a robust data security and management regime is implemented in your organisation. Another crucial and as important component of compliance is having the right tools in place that will support the necessary management, security and monitoring of data assets. This means that you will need to have information at your fingertips about what is happening with your data and your IT infrastructure in general. The technology assets can be quite extensive depending on your environment, but we will focus on just a few elements which are network and device centric. Additional controls will inevitably exist at the application and database level of your infrastructure.
GDPR requirements include breach detection and notification and this is an area where most organisations will need to dramatically improve their approach. Given that most successful breaches steal data within hours while the average time to detect is approaching 100 days, you can see there is a large gap that needs to be bridged. While there may not be the available investment of skilled resources to bridge the gap instantaneously, there are some basic and effective starting points that could bring dramatic and immediate benefits.

Endpoint Security

An effective endpoint security solution will monitor and block threats from compromising the endpoint and propagating threats across your network. Today’s endpoint security must go beyond traditional anti-virus due to the sophistication and ever changing nature of cyber attacks. Systems based only known attacks will be ineffective as malware is able to adapt and evade signature based detection. An advanced endpoint security solution can analyse suspicious files and interrogate up to the second threat intelligence information in the cloud to block attacks that a conventional solution would not notice.
Enhancing endpoint security is, therefore, a quick for organisations looking to significantly improving their security posture at a relatively low cost.

Perimeter Security and threat management

Ask yourself this question, do you know data traffic is coming in or going out of your network? Do you have visibility of what is happening?
Perimeter security for a long time has been about blocking incoming traffic and less about seeing what is going out. Most attacks will rely on data exfiltration as well as callbacks to sites hosting malware.
Implementing effective perimeter security and advanced threat
management will go a long way to dramatically reducing the unwitting interaction between an organisations users or endpoints and known
malware sites. Such a solution must also be good at blocking attempted intrusions as well as scanning file content for threats before allowing
access. Many organisations still have traditional firewalls or have purchased newer devices with advanced features which are yet to be enabled. With the increased regulatory regime of GDPR, it is imperative that the necessary levels of security and threat management are implemented on these platforms. If they do not have the capabilities, they simply need to be replaced with platforms that have a chance of providing protection in the
ever changing threat landscape.

Event Logging and Management

Good IT management will necessitate a security event management tool. The tool will prove invaluable for monitoring, reporting and investigating IT related activity in an organisation.
It can be an effective tool in detecting and preventing attacks by correlating activity and alerts from a number of sources thus aiding in determining the chronology and scope of a security event and it’s root cause. The event management tool will also play a key role in supporting any reporting into a breach because the logs can be analysed to determine the sequence of events and scope of a breach. This will support efforts associated with
the reporting requirements of GDPR for notifying the authorities of breaches.
Correctly specified and implemented technology will have a major role to play in achieving and maintaining good data security standards.

Useful Resources

Related Blogs

GDPR compliance: technology and data handling explained

What is GDPR? 6 questions you need to answer before the deadline

Will GDPR protect your personal data?

GDPR compliance: technology and data handling explained

The GDPR regulation is ultimately about good data/information management and governance. Though many organisations acknowledged previous iterations of data protection regulation, GDPR demands that everyone step up their game and take responsibility or face severe consequences. The innovative use of technology aligned with the data handling processes and procedures will go a long way to achieve and maintain GDPR compliance.
Compliance with GDPR has strong data governance at its foundation.
Data governance should have executive ownership at its core and necessitates strong commitment is communicated and actioned. It involves auditing and risk management where data is identified, classified and managed in a controlled manner. Technology can inevitably be used to automate and scale this process especially where data volumes are extensive.

Data analysis and classification

One of the early steps on the GDPR journey is the analysis of data that is held, and identification and tagging of personal data. Organisations may hold a combination of structured and unstructured data, oftentimes data is held in multiple locations as multiple copies of records are made. Once identified, organisations will need to tag personal data and link pieces of data together that relate to the same individual. Systems will then also need to manage the consent element of GDPR enabling all data being held to be collated in accordance with access and consent requirements of GDPR.

Data management and security

Systems need to be in place that manages data quality throughout its lifecycle. Data location needs to be accurate, duplicates need to be detected, records need to be accurate and should be updated including corrections, amendments and deletions when requested including backup copies which are no longer required.
To support the data security requirements, systems functionality need to be in place that manages data records including encryption, deduplication, backup, deletion and providing access to complete records in a transferable manner. Applications that manage the data also need to be secure ensuring
that user access policies are enforced, and users do not get access to data they are not authorised to. Manual processes are likely to be inadequate and therefore technology will inevitably need to be in place to support this requirement.
In a cloud environment, this will need to be provided by cloud providers whose systems are GDPR compliant. The organisation, however, will still be responsible for securing the data and policing user access irrespective of the cloud providers security controls. For an on-premise scenario, the organisation will have total responsibility for ensuring the systems are in place.

Breach detection, response and reporting

GDPR requires that certain types of breaches are notified to the relevant authorities within 72 hours of the breach occurring. The notification will also require details of the breach such as; how many records were accessed, mitigating measures to counter the breach, consequences of the breach, risks to the individual, categories of data breached. To fully comply with this requirement, organisations will need to have excellent cyber security protection mechanisms and controls in place. This will include at least the following components;
  • Network Security to ensure only authorised devices are able to access the networks
  • User authentication mechanisms to ensure only authorised users have access to systems
  • Intrusion Prevention Systems that detect and block unauthorised network access
  • Monitoring systems to identify and alert if unauthorised activities are detected
  • Logging capabilities to ensure all activity is logged and the information is available to undertake a forensic investigation should the need arise
These are just a few areas where technology applied effectively will greatly assist with GDPR compliance. Implementing the above technologies may well require additional investment if the systems are not yet in place, or it may just be a case of fine-tuning and optimising systems that are already in place.
Inevitably changes need to be made if anything more than lip service is to be paid to GDPR. There is, however, a positive spin on GDPR because it’s not about preventing business but about handling data properly, which must be a good thing for all concerned.

What is GDPR? 6 question you need to answer before the deadline

Why is GDPR necessary?

Regulations such as GDPR have come about as a consequence of technology. The increasing storage of private data over decades has led to concerns over individual privacy. Technology has meant that there is a risk that privacy could be trampled on or sensitive user data accessed inappropriately.
Worst still data could be stolen and used for criminal activity. In essence, regulation ultimately is about protecting individual privacy and individual rights from abuse or misuse of technology.

Why has technology become a problem?

Technology has been deployed over the decades initially as a solution to a business problem. Latterly, technology has been deployed as a fundamental part of the business fabric without which most businesses would cease to operate. In the age of digitisation technology in some instances is the business. Technology has however been deployed in a haphazard manner without security at its core and in many instances, organisations are playing catch up as opposed to having security as part of their core design.

So how is GDPR different to other regulations?

GDPR aims to compel organisations to protect individual privacy by ensuring that those handling the sensitive data are competent; only storing what data is essential, enforcing a policy that only allows access to the relevant people, and has systems in place to protect against and detect unauthorised access.
GDPR gives real teeth to data regulators in terms of enforcement powers including significant fines. It also extends responsibility globally to anyone who processes EU citizens data.

What do businesses need to do to comply with GDPR?

In order to comply with GDPR regulation, organisations need to do the following;
  • Awareness–ensure everyone in your organisations knows about GDPR
  • Information- document what personal data you hold and where
  • Privacy and rights– ensure procedures cover individual rights
  • Subject access requests– update procedures to handle access requests
  • Lawful basis– identify your lawful basis for processing data
  • Consent– review how you manage consent
  • Minors– ensure you have consent for minors
  • Breaches– ensure you have a plan and procedures to detect and report them
  • Impact assessment– plan to undertake these in accordance with ICO guidelines
  • Data Processing Officer– designate a DPO within your organisation
That is it in a nutshell. It is obviously much more involved in practice. The information commissioners website is a great resource for understanding what needs to be done and how to do it.

What are the benefits of becoming GDPR compliant?

Achieving compliance with GDPR will have a number of direct and indirect benefits. Firstly there will be a cost associated with achieving compliance which will likely involve resources of time and money.
Being compliant however is a strong indication that the organisation is processing data in a robust way compliant with best practices. This should mean that organisations are;
  • More likely to protect sensitive data and thus individual privacy and rights
  • Less likely to be breached as they will have better security in place
  • Are more likely to detect security breaches
  • Will be able to respond satisfactorily to individual’s information requests
There is an increasing trend amongst organisations that are now requiring their supply chain to confirm their compliance with GDPR. This will become a differentiator enabling GDPR compliant organisations to be viewed more credibly.

What are the consequences of not complying with GDPR?

Non-compliance with GDPR can have quite severe consequences over time. This could include being excluded from business opportunities as well as the likely punitive measures that may result from an ICO investigation if an organisation has been found wanting in it’s approach to compliance.
Analysts are also predicting that after PPI claims expire next year, GDPR breaches will spawn a new chapter in the claims culture that could run for decades. Compliance with GDPR should be seen as a business opportunity and approached positively in terms of the benefits that it might bring to organisations.

Useful Resources

GDPR Readiness Test [Checklist]
GDPR 12 Step to take NOW [Infographic] 
9 Steps to Implement a Security Managment Tool [eBook]

What’s HOT What’s NOT: Cyber Security 2018

What are the main cyber security trends and focus areas for IT Managers and Chief Security Officers so far in 2018?

One thing we know for sure is that cyber security won’t be taking a lower profile as IT embeds itself at the core of organisations becoming a true business enabler.
IT is at the core of organisations and if there is a glitch then the business impact is profound. It is therefore beneficial to be able to focus limited resources and efforts on the priorities that will really
make the biggest difference.
 So the question is what will be HOT and what will NOT in 2018. The list below, while not being exhaustive, gives a focus on what you should be prioritising.

 HOT

  • GDPR
  • Ransomware
  • Cloud

NOT

  • Anti-Virus
  • VPNs

HOT: GDPR

25th May 2018 is the date the GDPR will come into force. The regulation will affect literally every organisation that holds personal data. With the increasing regulatory powers for investigation and enforcement, firms not complying with the regulation could face severe penalties.
GDPR must, therefore, be high on the list of business priorities and a comprehensive approach to GDPR compliance will necessitate a comprehensive review of policy, process and technology.
In a recent article we discovered that 52% of medium sized business have NOT made changes/prepared for GDPR!

NOT: Anti-Virus

In the face of the new breed of sophisticated, adaptable forms of cyber attacks, traditional Anti-Virus is becoming redundant. The approach of traditional Anti-Virus which is based of signatures relies on threats having been detected and updates being propagated to clients before an attack occurs.
Organisations need multiple layers of protection to stand any chance of detecting and blocking new threats some of which can dynamically probe and adapt to the host environment.
Anti-Virus is still essential especially if it also monitors for abnormal behaviour, however if it is your primary line of defence, expect the worst, as Robert Mueller says, you will be attacked, depending solely on Anti-Virus increases the likelihood of it happen sooner and more frequent.

Related Resources

HOT: Ransomware

2017 saw the spread of global ransomware variants Wannacry and Nyetya. Wannacry made significant parts of the NHS powerless while Nyetya caused major losses for businesses. Fedex counted losses in excess of $300m and at one stage had to resort to WhatsApp for internal communications due to compromised email systems.
The ransomware ‘business model’ has stepped up a notch with it being made available to buy as a service. The avatar of the attacker has suddenly changed from a stereotypical hoody wearing geek to just about anyone who can pay with some Bitcoin.
Ransomware has been the most profitable form of cyber attack to date and franchising it just made it cement it’s pole position as the number one threat in 2018.

Related Resources

NOT: VPNs

Statistics indicate that nearly 50% of workforces are mobile, meaning they access their organisation’s IT applications from remote locations to the organisation’s offices. The ubiquitous VPN has been the secure way of connecting.
 With the various flavours and increasing range of users requiring connections, VPNs are becoming a greater management overhead and an increasing security risk especially if the controls are not kept up to date with the threats.
A need for a more sophisticated and granular method of providing remote access is emerging where users are connected only to what they require, when they require it and furthermore their security posture is established even before they are allowed any connectivity.

Cloud: HOT

Organisations having realised the benefits of cloud adoption have embraced it while mitigating the risks as best they can. The benefits of the cloud in many instances include lower operational costs, agility, increased resilience and scalability.
Cloud adoption is also well suited to the growth of a mobile workforce who need anytime anywhere access to their applications. Securing the cloud data and user access is however an area of cloud implementation that is emerging as a focus area that businesses have not paid sufficient attention to.
Technologies such as secure DNS and the secure Internet gateway are solutions that are highly likely to gain a lot of traction as organisations audit and protect cloud connectivity from a range of emerging cyber threats.

Related Resources

There will inevitably be questions about security topics such as BlockChain, IoT and Phishing just to name a few. Let us know how your list wouldn’t be different.

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Will GDPR protect your personal data?

I hope that this news is not scary but we are less than 2 months way from GDPR coming into force. A recent government cyber breach survey highlighted some interesting facts about GDPR preparedness of the UK business community.

 

The research was conducted across a sample of around 1500 businesses spanning all sectors from micro-business to large enterprise. While the trend was not necessarily surprising, what was surprising was the response of business like yours in the medium size sector. Here are some numbers that may or may not surprise you.

 

33% of medium sized business have NOT heard of GDPR

52% of medium sized business have NOT made changes/prepared for GDPR

50% of medium sized business have NOT made cyber specific preparation for GDPR

 

The results for each sector re-outline in the tables below.

 

 

 

 

 

 

Recall that GDPR is relevant for all organisations that hold personally identifiable data. This does not just relate to customers, it also relates to staff. If you employ people it’s a fair guess that you hold personally identifiable data on your staff.

 

Based on the fact that we are less than 2 months away, what does this mean for our personal if around half of businesses aren’t doing anything about complying with the new standards. I think I would rather not think about that for too long. Lets just review the steps that organisations need to take as outlined in one of our previous articles. We re-iterate them below and have also included some useful links that can take you a long way towards understanding;

 

  • What the regulation requires of you
  • How to get started
  • Where you can get help

 

 

GDPR 12 steps that you can take right now

 

A really useful starting point is contained in the Information Commissioners website which provides a range of resources explaining GDPR and how organisations can go about preparing to comply with it.

 

Their 12 steps guide covers the initial activities that can be started immediately and include;

 

  • Awareness of Decision Makers
  • Information Audit
  • Update Privacy Notices
  • Procedures for Individual Rights
  • Subject access requests procedures
  • Consent procedures
  • Under-age Consent Procedures
  • Privacy Impact Assessments
  • Data Protection Officer
  • International Implications

 

The guide is summarised below for convenience.

 

Layout of  the 12 steps

 

  1. Awareness

You should make sure that decision makers and key people in your organisation are aware that the law is changing to the GDPR. They need to appreciate the impact this is likely to have.

 

  1. Information you hold

You should document what personal data you hold, where it came from and who you share it with. You may need to organise an information audit.

 

  1. Communicating privacy information

You should review your current privacy notices and put a plan in place for making any necessary changes in time for GDPR implementation.

 

  1. Individuals’ rights

You should check your procedures to ensure they cover all the rights individuals have, including how you would delete personal data or provide data electronically and in a commonly used format.

 

  1. Subject access requests

You should update your procedures and plan how you will handle requests within the new timescales and provide any additional information.

 

  1. Lawful basis for processing personal data

You should identify the lawful basis for your processing activity in the GDPR, document it and update your privacy notice to explain it.

 

  1. Consent

You should review how you seek, record and manage consent and whether you need to make any changes. Refresh existing consents now if they don’t meet the GDPR standard.

 

  1. Children

You should start thinking now about whether you need to put systems in place to verify individuals’ ages and to obtain parental or guardian consent for any data processing activity.

 

  1. Data breaches

You should make sure you have the right procedures in place to detect, report and investigate a personal data breach.

 

  1. Data Protection by Design and Data

Protection Impact Assessments

You should familiarise yourself now with the ICO’s code of practice on Privacy Impact Assessments as well as the latest guidance from the Article 29 Working Party, and work out how and when to implement them in your organisation.

 

  1. Data Protection Officers

You should designate someone to take responsibility for data protection compliance and assess where this role will sit within your organisation’s structure and governance arrangements. You should consider whether you are required to formally designate a Data Protection Officer.

 

  1. International

If your organisation operates in more than one EU member state (ie you carry out cross-border processing), you should determine your lead data protection supervisory authority. Article 29 Working Party guidelines will help you do this.

In the Cloud you need CASB: How to Secure the Cloud

We introduce another acronym yesterday, CASB (Cloud Access Security Broker) and we now expand on the features and benefits of deploying a CASB solution as we continue in our approach to cloud security. We noted in our previous blog that cloud security was a shared responsibility between service user and service provider. Gartner analysis indicates that by 2021, 27% of corporate data will bypass perimeter security. In addition by 2020, 95% of cloud security failures will be the customer’s fault.

 

Cloud Umbrella, DNS, Firewall, Cloud Security, Data Breach

 

Securing the cloud will need a robust security approach which includes features such as the ones outlined below;

 

Cloud User Security

Attackers are defeating today’s security controls that rely on the network perimeter, firewalls, or a specific platform. Activities across platforms are not correlated, making it difficult to identify suspicious behavioural patterns. At the same time, security teams are inundated with alerts that lack priority, useful information, or context. Faced with a flood of unhelpful notifications, the legitimate security breaches get overlooked. This problem is magnified with the use of cloud applications and platforms, as organisations often have little visibility into the activities of their users in their cloud environments.
A CASB can analyse user and entity behaviour, using the analytics to profile behaviour and detect and respond to anomalies in real time, while alerting security teams.

 

Cloud Data Security

The number one cloud security concern for organisations is storing sensitive data in the cloud. 53% of organisations rated this top of their list. A CASB is an effective solution to address this by enabling tuneable policies to be deployed to monitor and provide data loss prevention. In the event of a policy violation, a CASB can initiate an automated response mechanism that can notify users, encrypt connections and quarantine data as necessary.

 

Cloud Applications Security

Unauthorised cloud applications is now a major security hole being exploited by cyber attacks. Discovery and security rating of cloud applications are therefore another essential feature that is needed to determine compliance with the organisations security policy. The ability to also block or whitelist applications may also be a necessary measure for compliance.

 

Correctly configured the CASB solution should provide the following benefits;

  • Detect and respond to compromised accounts
  • Detect and respond to malicious insiders
  • Monitor and secure privileged accounts
  • Protect sensitive data in the cloud
  • Enable compliance with cloud data
  • Gain full visibility into cloud app usage
  • Block cloud malware
  • Secure cloud marketplace apps

Securing SaaS Applications: How to Secure the Cloud

Security in the cloud is a shared responsibility: Cloud Security, DNS, IaaS PaaS Saas

 

More organisations are adopting a cloud strategy to leverage cloud services and enjoy the associated speed of development and deployment. One of the biggest challenges, however, is creating the balance that provides an appropriate level of governance over the use of cloud applications that still empowers users to leverage these services.

 

We recently highlighted a news article (read it here) about a tool that was able to trawl through Amazon Web servers and access potentially sensitive data hosted by a number of organisations. The tool highlighted flaws in the configuration of servers in the cloud. This is a good example possibly of a rush to deployment that left good cyber security practices behind.


In this blog series, we have discussed the need for a pervasive cloud centric cyber security approach that not just protects the user but also the data.

 

Cloud service providers are responsible for the security of their infrastructure, while organisations that use those services are responsible for user activities on top of that infrastructure. Cloud service providers will build security into their platforms and environment, however, if the data is being accessed by the wrong person or used inappropriately, they will not be aware of that. Additionally, they do not know what applications an organisation has approved or disallowed. 

 

The cloud centric security approach, therefore, needs to have extensive visibility of who is accessing applications and data and how they are using it. The security approach must have the ability to identify malicious infrastructure and protect sensitive data from it. Compromised accounts need to be identified as well as potential malicious insiders. The emerging security tool that addresses this security concern is the cloud access security broker (CASB).

 

A cloud access security broker helps organisations address a range of cloud security vulnerabilities by providing visibility into the applications in use, profiling them from a risk perspective, and enforcing policies especially around data loss prevention (DLP) and user activity.

 

A good CASB implementation will also provide for the retrospective discovery of sensitive data and malware in cloud applications. The CASB should also integrate with network based entities to give visibility into real time data, threats in motion, as well as preview historical use of cloud applications.

 

In our next episode, we will take a deeper look at CASB and how they can work more effectively with other security tools to secure the cloud.

Free eBook: A View of the Cybercrime Threat Landscape

 

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What Next?

 

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If you have read the last few updates you should now have a deeper understanding of Cloud Security, that’s great! But what can YOU do about it? 

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See how easy Umbrella is to installwatch this video