Data Hacking Claims

Make a no-win, no-fee account data hacking claim with our experienced cybercrime solicitors. 

Get justice for a data hacking violation


A data breach refers to any situation where data has been put at risk. A data hack happens when criminals break into an organisation’s systems to steal information.

The impact of a data hack can be devastating. But despite this, cybercriminals are still getting away with billions of pounds worth of records each year.

To make matters worse, this information is often used to commit further crimes against victims of the initial breach. So it’s no wonder that people commonly suffer emotional anguish, anxiety and stress after a data hack.

At Keller Lenkner UK, our data breach lawyers help people to make successful data hacking claims to compensate for their loss and distress. Where enough people come forward, we do this by launching a group action case.


Contact us today for a free, no-obligation, assessment of your case.

Why make a data hacking compensation claim?

Hold organisations to account for failing to protect your private information.


Receive financial compensation for your losses.


Force organisations to implement better data security.

Our Data Hacking Group Actions

Data Breach Hexagons


In February 2022, nine months after the security breach, Ardagh wrote to employees to warn them that their personal information might have been exposed in the attack.

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In 2020, over 100 educational, charitable, and third-sector organisations had their data stolen following a breach at Blackbaud.

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Dixons Carphone


The Dixons Carphone Warehouse data breach resulted in 10 million customer records being accessed from Currys PC World and Dixons Travel stores.

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Easyjet data breach


In 2020, EasyJet admitted that, as well as the personal details of nine million customers, over 2,000 passengers had their credit card details accessed by hackers.

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In 2017, poor security processes at Equifax led to a huge data breach. The ICO has since fined Equifax £500,000 and people who have been affected by the breach can register to make a compensation claim.

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Jargon Buster


In February 2022, Greencore wrote to employees to warn them that their personal information might have been exposed. The stolen information relates to current and former Greencore employees

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Hammersmith Medicines Research

The Maze ransomware group attacked the computer systems of Hammersmith Medicines Research (HMR) – a company which performs early clinical trials of drugs and vaccines. The criminal group had previously promised not to attack medical organisations during the coronavirus outbreak.

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Labour Party Data Breach

Labour Party

The Labour Party has experienced a data breach. Keller Lenkner UK can help victims to claim compensation for this data protection failure.

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Linkedin editorial


LinkedIn has suffered a massive data breach affecting 700 million people. In total, 92% of LinkedIn users are reportedly affected by this breach. The stolen data includes salary information.

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National Trust

National Trust

The National Trust has issued a data breach alert after a cyberattack on cloud computing company Blackbaud. Blackbaud provides software to the National Trust. The National Trust confirmed that data about its volunteering and fundraising communities has been compromised. Its 5.6 million members are not though to be at risk.

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Police Federation

In 2019, The Police Federation of England and Wales (PFEW) suffered a severe data breach following a ransomware cyber-attack hit the PFEW headquarters. Around 120,000 current and former officers are affected.

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Simplify Group

Home movers across the UK were left unable to exchange, complete or move home due to a severe cyber failure. The incident happened when Simplify Group, a company that provides conveyancing services to several leading agencies, experienced a ‘major security breach’.

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t mobile


In November 2019, T-Mobile suffered a severe data breach. Over a million pre-paid customers are believed to be affected. T-Mobile was very unforthcoming about the data hack and did not provide additional information at the time of the breach.

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If you have been the victim of online fraud or identity theft,

contact Action Fraud


Data hacking compensation after a privacy violation 

You might be eligible for data hack compensation if an organisation has failed to protect your personal data.

Stolen data is easy to buy on the dark web, so if you are the victim of a data privacy violation, it is quite likely that different criminals could be trying to use your data against you.

Stolen data is also used in batches over time, so the impact of a data hack might not be immediately apparent.


Why use Keller Lenkner UK to make a data breach, GDPR violation, or cybercrime claim?

What can you claim for?

While each case is judged on its own merits, there are some things we would typically look for when it comes to when claiming compensation following a data breach, cybercrime or other GDPR violation:

Financial loses

With stolen data, cybercriminals can make purchases using your bank and credit cards, apply for credit in your name, set up fraudulent bank accounts and access your existing online accounts.


GDPR failures, cybercrime and data breaches can have a significant impact on you, both mentally and physically. They can cause or exacerbate anxiety, stress and other psychological conditions.

Loss of privacy

Your data has value, and organisations must be held to account if they fail to protect your right to data privacy or otherwise do not uphold your GDPR rights.

Are organisations doing enough to protect customers from data breaches and cybercrime?


In many cases, data hacks and cyber-attacks happen because of a failure to implement reasonable and robust processes. Often because of the cost needed to do this.

But, by not putting adequate processes and training in place, organisations are leaving customers open to an increased risk of cyber scams and avoidable mistakes that lead to data breaches.


Your questions answered

See our answers to the FAQs we get asked about data hacking.

Latest news

How to protect yourself following a data breach or cybercrime

  • Contact your bank or credit card provider immediately if your financial data has been exposed.
  • Check all bills and emails for goods or services you have not ordered.
  • Check your bank account for unfamiliar transactions.
  • Alert your bank or credit card provider immediately if there is any suspicious activity.
  • Monitor your credit score for any unexpected dips.
  • Call Credit, Experian and Equifax to ensure credit isn’t taken out in your name.
  • Never provide your PIN or full password to anyone (even someone claiming to be from your bank).
  • Never been pressured into moving money to another account for fraud reasons. A legitimate bank won’t ask you to do this.
  • Follow the security instructions provided by the organisation that breached your data.
  • Never automatically click on any suspicious links or downloads in emails or texts.
  • Don’t assume an email or phone call is authentic just because someone has your details.
  • Be careful who you trust – criminals often use scare tactics to try and trick you into revealing your security details.
  • Know that, even if you recognise a name or number, it might not be genuine.
  • Don’t be rushed or pressured into making a decision. A trustworthy organisation would never force you to make a financial transaction on the spot.
  • Never provide your full password, pin or security code to someone over the phone (or via message). If a bank believes a transaction has been fraudulent, they will not ask for this information to cancel the transaction.
  • Listen to your instincts and ask questions if something feels “off”.
  • Refuse requests for personal or financial information and stop discussions if you are at all unsure.
  • Contact your bank or financial service provider on a number you know and trust to check if a communication is genuine.
  • Be cautious of unsolicited communications that refer you to a web page asking for personal data.
  • Don’t accept friend requests from people you don’t know on social media.
  • Review your online privacy settings.
  • Report suspected fraud attempts to the police and Action Fraud.
  • Register with the Cifas protective registration service to slow down credit applications made in your name.
  • Change your passwords regularly and use a different password for every account (a password manager can help with this).
  • Protect your devices with up-to-date internet security software.