A data breach compensation claim allows you to seek damages if you suffer financial loss or psychological harm due to an organisation’s failure to follow data protection law, including the Data Protection Act 2018 and the UK General Data Protection Regulation. You may be eligible to claim if this harm directly results from your personal information being compromised due to human error, unauthorised access, or documents being sent to the wrong address. Many data breach solicitors work on a No Win No Fee basis.
A personal data breach can have serious and lasting consequences for individuals. When medical records, genetic data, or other information are compromised, it can lead to significant financial loss. Beyond this, many victims experience emotional distress, anxiety, and, in the most severe cases, post-traumatic stress disorder, particularly if the breach involves highly private data or results in ongoing uncertainty about how their data may be used.
Public Interest Lawyers offer a straightforward, professional service that puts your needs first. Their team takes a no-nonsense approach to handling claims, ensuring you receive clear advice and practical support at every stage. It costs nothing to find out if you have a valid claim, allowing you to explore your options with confidence before deciding whether to proceed. Talk to one of our advisors today.
Browse This Guide
- What Is A Data Breach?
- What Are Data Breach Compensation Claims?
- Who Is Responsible When A Data Breach Occurs?
- Understanding The Laws That Protect Your Data
- Who Can Claim Compensation After A Data Breach?
- What Types Of Data Could Be Compromised In A Breach?
- Which Sectors Are Most At Risk Of A Data Breach Occurring?
- The Most Common Causes Of UK GDPR Breaches
- How Can A Data Breach Impact An Individual?
- What To Do After A Data Breach
- How Much Compensation Can Be Awarded For A Data Breach?
- Can Data Breach Compensation Pay Out For Material Damage?
- What Is The Role Of The ICO In A Data Breach?
- What Evidence Will Support A Data Breach Compensation Claim?
- How Our Solicitors Can Help You Claim After A Data Breach
- Data Breach Compensation Claims On A No Win No Fee Basis
- Frequently Asked Questions
- Learn More
What Is A Data Breach?
A personal data breach is defined by the Information Commissioner’s Office (ICO), the UK’s independent authority responsible for upholding information rights and enforcing data protection law, as a security incident that leads to the accidental or unlawful destruction, loss, alteration, unauthorised disclosure of, or access to, personal data.
Before we examine what a claim for personal data breach compensation entails, we need to discuss the relevant parties:
- A data subject is the identifiable individual whose personal data is being collected, held, or processed by an organisation.
- A data controller is the organisation or person that determines the purposes and means of processing personal data.
- A data processor is a third party that processes personal data on behalf of the data controller. It is worth mentioning that some organisations may decide not to use an external processor and handle any processing in-house.
Speak to our advisory team if you have questions or would like to find out if you have a valid claim today.
What Are Data Breach Compensation Claims?
Data breach compensation claims are legal actions brought by an individual whose personal data has been compromised due to a breach of data protection law. It allows data subjects to seek compensation for the harm suffered as a result of the incident. Claims are typically made for two types of damage:
- Material damage – financial losses such as a loss of income, medical costs and security installations, this is particularly relevant in cases where your address has been exposed.
- Non-material damage – psychological injuries such as emotional distress, anxiety, or depression caused by the breach.
If you would like more information about making a personal data breach claim, contact Public Interest Lawyers today to speak with our advice team and get clear guidance on your next steps.
Who Is Responsible When A Data Breach Occurs?
When a personal data breach occurs, responsibility will usually lie with the data controller for failing to uphold their obligation under data protection law. In some cases, a data processor acting on behalf of the data controller may also be involved, particularly where the breach arises from poor security practices or inadequate safeguards. You can get further information on how to sue an organisation for failing to adequately protect your personal information by speaking to one of our friendly advisors today.
Understanding The Laws That Protect Your Data
Both data controllers and data processors are required to comply with data protection law when collecting, processing, and storing the personal data of individuals, ensuring it is handled securely and lawfully at all times.
- Data Protection Act 2018 – This is the UK legislation that sets out how personal data must be processed, stored, and protected, and it works alongside wider data protection principles to safeguard individuals’ information.
- UK General Data Protection Regulation – The UK GDPR establishes strict rules for how organisations must collect, use, and protect personal data, as well as the rights of individuals over their information.
Data controllers and processors must abide by both of these laws when collecting, processing and storing personal information. If you have been informed or suspect that a breach of your personal information has occurred, please do not hesitate to get in touch with our team today.
Who Can Claim Compensation After A Data Breach?
Data subjects who have experienced material and non-material damage following a personal data breach may be eligible to claim compensation. We have summarised the eligibility requirements for you here:
- A data controller or data processor engaged in conduct that was wrongful or contrary to data protection law when handling your personal data.
- This conduct resulted in a data breach that affected your personal data.
- As a consequence, you suffered financial losses, psychological distress, or both.
Can Data Breach Compensation Be Claimed On Behalf Of A Loved One?
Yes, in certain circumstances, a data breach compensation claim can be brought on behalf of a loved one who is unable to act for themselves. This may apply where the individual is a child or lacks the mental capacity to manage their own legal affairs. In these situations, a litigation friend can be appointed to make the claim on their behalf, acting in their best interests throughout the process and ensuring their rights under data protection law are properly represented.
If you believe a loved one may be eligible to bring a claim following a data breach, contact our team today for further advice or a free eligibility check.
What Types Of Data Could Be Compromised In A Breach?
Names, contact details, and addresses are all types of data that could be exposed in a personal data breach. Personal data is defined as any information that may be used to directly or indirectly identify a living individual.
Other examples include:
- Your full name.
- Contact information, including your phone number and email address.
- Your national insurance number.
- Postal address.
What Is Classed As Special Category Data?
Special category data is a specific type of personal data that is subject to enhanced protection under data protection law due to its sensitive nature.
Examples of such sensitive data are:
- Health and genetic information, such as medical or genealogy records.
- Biometric data used for identification, including that collected by thumb and fingerprint scanners.
- Racial or ethnic origin.
- Political opinions.
- Religious or philosophical beliefs.
- Trade union membership.
- Sex life or sexual orientation.
Any breach of sensitive personal information can have very serious ramifications for both you and your family. To find out more about seeking data breach compensation in your specific circumstances, talk to our dedicated advisory team today.
Which Sectors Are Most At Risk Of A Data Breach Occurring?
Certain sectors are more frequently affected by personal data breaches, with healthcare and education consistently ranking among the most at-risk sectors according to data recorded by the ICO.
According to data reported to the ICO’s data security incidents trends for the second quarter of 2025, the most commonly affected sectors include:
- Healthcare: The health sector consistently has some of the highest numbers of personal data breaches due to the large volumes of patient and staff records it processes.
- Education and childcare: Educational and childcare institutions are frequently affected by the handling of extensive personal data related to students, parents, and employees.
- Finance and insurance: Banks, building societies and insurance institutions are regularly impacted by cybersecurity incidents due to both the volume of data and the sensitivity of that information.
- Local government: Often affected due to the wide range of personal data processed to deliver public services.
- Retail: Commonly targeted due to large-scale customer databases and transactional data.
If you have been affected by a data breach involving one of these sectors and are unsure whether you can make a claim, contact our team today for clear advice on your eligibility.
The Most Common Causes Of UK GDPR Breaches
Personal data breaches can occur in a number of ways, often due to human error, technical failures, or malicious activity. Common examples include:
- Sending personal data to the wrong person by email or post.
- An organisation fails to upgrade their cybersecurity software, enabling cyber criminals to attack systems and steal large quantities of personal data.
- The loss or theft of organisational devices like laptops, USB drives and company phones.
- Inadequate data security training can result in incidents such as failures to secure physical copies of documents, which are then lost, and unauthorised verbal disclosures of personal information.
You may have experienced a different type of incident than those listed above. To learn more about starting a claim for data breach compensation in your exact circumstances, please speak to a member of our team today.
How Can A Data Breach Impact An Individual?
A personal data breach can impact an individual by causing psychological harm, financial loss, and, in serious cases, requiring significant lifestyle changes. Specific consequences can include:
- Psychological harm, ranging from stress and anxiety to severe post-traumatic stress disorder in the most serious cases.
- Financial losses incurred from upgrading home security measures or seeking private therapy to manage emotional distress.
- Direct reputational or social damage if religious, medical, or political personal data is compromised. In these instances, this may seriously affect your career or relationships with family, friends, and colleagues.
- In severe cases, your physical safety may be at risk if your address has been disclosed in a breach. This may necessitate a full relocation.
If you have been notified of a data breach or suspect that your personal data may have been compromised, seek legal advice from our team as soon as possible to understand your rights and whether you can make a personal data breach compensation claim today.
What To Do After A Data Breach
While every personal data breach is different, there are some common steps you can take immediately to protect yourself and your personal information and mitigate the risk of financial loss or distress.
Steps to take include:
- Ask the data controller for additional information about the breach, including what personal data was involved, how it occurred, and what measures are being taken to contain it.
- Change any passwords that may have been affected, especially if they have been reused across multiple accounts, and enable two-factor authentication where possible.
- Set up alerts and monitor emails closely to stay up to date on the latest developments regarding the breach.
- Seek specialist legal advice from data breach solicitors, such as Public Interest Lawyers, who can provide free initial guidance on whether you may have a valid data breach compensation claim and whether you could pursue compensation on a No Win No Fee basis.
Acting quickly following a personal data breach is key to protecting your personal information and maximising your chances of claiming compensation. Contact our advisory team now for a fast, free eligibility check using the contact information given below.
How Much Compensation Can Be Awarded For A Data Breach?
You could receive between £72,440 and £152,900 for the most severe general psychiatric damage that creates marked problems with your ability to cope with life or work. This number was taken from the Judicial College Guidelines (JCG), a publication that solicitors and other legal professionals frequently use to assess non-material damage. Our solicitors often find this document useful for valuations because the JCG lists guideline brackets for various forms of harm.
Compensation Table
Several brackets for psychiatric harm have been used to create the table here. Please be aware that this table is intended to serve as guidance only, and the lead entry is not from the JCG.
| Type of Harm | Severity | Guideline Compensation Amount |
|---|---|---|
| Very Serious Psychological Harm with Financial Losses (e.g., Earnings, Therapy Costs, and Extra Home Security) | Very Serious | Up to £500,000 + |
| Psychiatric Harm Generally | Severe (a), with very poor prognosis | £72,440 to £152,900 |
| Moderately severe (b), with significant problems affecting life or work ability | £25,190 to £72,440 | |
| Moderate (c), good prognosis and marked improvement by trial | £7,740 to £25,190 | |
| Less severe (d), with consideration of extent that daily activities were affected | £2,040 to £7,740 | |
| Post-Traumatic Stress Disorder | Severe (a), permanent effects affecting all areas of life | £79,080 to £133,000 |
| Moderately severe (b), with effects likely causing significant disability for foreseeable future | £30,580 to £79,080 | |
| Moderate (c), where any persisting effects are not grossly disabling | £10,810 to £30,580 | |
| Less Severe (d), recovery is virtually full within 1-2 years | £5,220 to £10,810 |
Can Data Breach Compensation Pay Out For Material Damage?
Yes, data breach compensation can pay out for material damage caused by the loss, exposure, or destruction of your personal information. Examples include:
- A loss of earnings from any time taken off work due to psychological distress.
- Medical expenses for your psychological distress, e.g. antidepressants, counselling, or other mental health support.
- Security installations such as cameras, additional locks, and alarm systems, if your address has been disclosed or otherwise compromised.
- In the most serious cases, a full relocation may be necessary for your safety.
This section is intended as general guidance only. If you would like advice tailored to your specific circumstances, you should contact our advice team, who can assess your situation in more detail and explain whether you may have a valid data breach compensation claim.
What Is The Role Of The ICO In A Data Breach?
The ICO has far-reaching powers to investigate organisations that may have breached data protection law, including carrying out formal investigations where a personal data breach has occurred. Where it finds a breach, the ICO may take enforcement action such as issuing reprimands or improvement notices.
In more serious cases, the ICO can impose significant financial penalties. The maximum fine is £17.5 million or 4% of an organisation’s global annual turnover, whichever is greater.
Public Interest Lawyers’ advice team can provide clear guidance on the role of the ICO and what action may be taken in response to a breach. We can also assess the validity of your potential claim free of charge and explain your options moving forward.
What Evidence Will Support A Data Breach Compensation Claim?
A data breach compensation claim is typically supported by evidence such as a data breach notification letter from the organisation or correspondence showing unauthorised access to your personal data, along with records demonstrating any resulting financial loss or psychological harm. In practice, this may also include bank statements, medical records, or emails confirming the breach and its impact, and we have set out some key steps for you to follow below.
Identify Data Breached
Establish exactly what personal data has been affected, such as financial details, contact information, or medical records.
Gather Evidence
Collect any documentation relating to the breach, including notification letters, emails, or screenshots.
Contact The Organisation
Raise the issue directly with the data controller responsible for the breach to request further details.
Contact The ICO
Report the breach to the ICO if you are not satisfied with the organisation’s response or handling of the incident.
Record Harm
Keep a record of any financial losses or psychological impact resulting from the breach, including medical treatment or loss of earnings.
Seek Legal Advice
Speak to a specialist data breach solicitor who can assess whether you have a valid claim and advise on next steps. If you have a valid claim, our advisors will connect you with just such a legal professional who can offer more detailed, personalised advice.
How Long Will I Have To Claim Compensation For A Data Breach?
You generally have up to 6 years from the date of the data breach to bring a claim. For more information about your specific circumstances, you should contact our dedicated advisory team, who can provide further guidance on time limits and whether you may still be eligible to claim.
How Our Solicitors Can Help You Claim After A Data Breach
Public Interest Lawyers’ specialist data breach solicitors have many years of experience, with some individuals’ careers spanning more than three decades. Our solicitors have won millions in compensation for thousands of clients, so we understand that experiencing the loss or exposure of personal information and subsequently seeking data breach compensation can feel extremely daunting. That is why we offer a range of tailored services and support measures to ensure you have everything you need to confidently pursue a claim.
Here are just a few of the services our expert personal data breach solicitors can offer and ways in which they can support you:
- Connecting you with psychotherapists and other mental health professionals to ensure you receive the support you need after a personal data breach.
- Calculating a fair compensation figure for both material and non-material damage
- Assisting with the gathering of evidence, enabling you to focus on your recovery.
- Helping you draft any required correspondence to both the data controller and the ICO.
- Explaining any complex legal language and cybersecurity terms you may encounter throughout the data breach claims process.
- Negotiating a final settlement with the data controller’s representatives on your behalf, with the aim of maximising your compensation.
If you have been affected by a personal data breach, our specialist team is here to help. Contact Public Interest Lawyers today for free advice and find out how we can help you seek compensation.
Data Breach Compensation Claims On A No Win No Fee Basis
We support clients in pursuing data breach compensation through a specific type of No Win No Fee contract, formally known as a Conditional Fee Agreement (CFA). This means you can begin your claim without paying any upfront or ongoing service fees during the claims process, so you can focus on seeking justice without financial strain.
If your personal data breach claim is successful, a pre-agreed success fee will be deducted from your settlement. The maximum percentage that solicitors may charge as a success fee is capped at 25% by The Conditional Fee Agreements Order 2013, so when you make a personal data breach claim with Public Interest Lawyers, the advantage is firmly with you.
Contact Public Interest Lawyers
So now you know all about making a claim following a personal data breach, why not get in touch with Public Interest Lawyers’ dedicated advisory team today? You can reach us by:
- Calling us on 0800 073 8803.
- Using our 24/7 live chat service.
- Or you can contact us online.
Frequently Asked Questions
We hope you find the following frequently asked questions useful in understanding your rights and the data breach compensation claims process.
How Can I Know If My Personal Data Was Breached?
You can know if your personal data was breached if you receive a data breach notification letter from the organisation, notice unusual account activity, or are informed of a security incident affecting your personal information.
Are Companies Allowed To Use My Data Without Asking?
Companies are not allowed to use your data without asking unless they have a lawful basis under data protection law, such as consent, contractual necessity, or legitimate interests.
What Can I Do To Prevent Further Damages After A Breach Of Data?
To prevent further damages after a breach of data, you can change passwords and contact the organisation to understand what steps are being taken to secure your personal data.
Can I Still Claim If The Data Breach Did Not Cause Financial Loss?
You can still claim if the data breach did not cause financial loss, as you may be eligible for compensation for psychological harm or distress caused by the breach.
Will The ICO Be Responsible For Paying My Compensation?
The ICO will not be responsible for paying your compensation, as it regulates organisations and enforces data protection law, but does not award compensation to data breach victims.
How Long Will A Data Breach Compensation Claim Take?
A data breach compensation claim can take anywhere from a few months to over a year, depending on the complexity of the case, the evidence involved, and whether liability is admitted.
Learn More
You can read some of our other personal data breach claims guides here:
- Read our guide to making a social services data protection breach.
- Find out what your next steps could be if you have experienced a council data breach.
- Learn more about suing for a conveyancing solicitor’s breach of data protection with our guide
- Breach of witness data compensation claims explained
We have also included some external resources for additional information:
- Find out more about the action taken by the ICO and how it enforces data protection regulations on its website.
- Get cybersecurity advice for you and your family on the National Cyber Security Centre website.
- Access mental health services and support through the NHS.
Thank you for taking the time to read this guide to making personal data breach compensation claims.