23&Me Data Breach

23andMe data breach exposed the personal and genetic information of millions of users

In 2023, 23andMe experienced a significant data breach involving information accessed through its DNA Relatives feature. The incident exposed highly sensitive personal information relating to millions of customers and, in some cases, their relatives.

KP Law is investigating potential claims arising from the breach and represents individuals affected by the incident.

On this page:

Case overview:

The 23andMe Data Breach

23andMe is a genetic testing and ancestry company that holds highly sensitive personal and genetic information about its customers.

In October 2023, 23andMe confirmed that unauthorised individuals had accessed customer accounts and information through its DNA Relatives feature. The compromised data includes:

  • Relationship labels
  • Ancestry reports
  • Matching DNA segments
  • Location
  • Birth Year
  • Ethnicity
  • Profile pictures
  • Family names

Other sensitive information could also be affected.

23andMe also stores genetic information about the relatives of some of its users. So even if these relatives didn’t send a sample or consent to any data collection, they could also be involved in this privacy violation.

Following the breach, the hackers are offering the assembled genetic information of thousands of people for sale on the dark web.

KP Law is investigating this incident, and we are considering a no-win, no-fee group action claim to help victims living in England & Wales claim compensation.

What you need to know

The hackers are now offering the assembled genetic information of thousands of people for sale on the dark web. 23andMe has not offered victims any credit monitoring or identity protections following the breach.

According to media reports, some of the data for sale specifically targets people with Chinese and Ashkenazi Jewish ancestry. This has raised serious concerns.

At KP Law, we have seen victims of similar data breaches become the target of cybercriminals, with instances of phishing, fraud, and identity theft. Our data protection experts strongly advise anyone involved in this breach to be vigilant and take necessary precautions.

KP Law specialises in complex, multi-claimant litigation. We investigate the underlying circumstances of each case, assess the available evidence and work with leading legal and technical experts where appropriate.

For data breach claims, this can include examining:

  • What information was accessed or compromised
  • How the breach occurred
  • The security measures in place before the incident
  • Whether applicable data protection obligations were complied with
  • The impact of the breach on affected individuals
  • The evidence required to establish liability and loss

Where appropriate, we coordinate claims collectively so that common legal and factual issues can be considered efficiently, while ensuring that individual circumstances are taken into account.

This case is now closed. Please use this page for up-to-date information and case updates.

Over one million individuals may have been affected where personal information held through their 23andMe account or the DNA Relatives feature was accessed without authorisation.

If you received a breach notification or you believe you were affected by the 23andMe data breach, KP Law can provide further information about the investigation and the potential claim.

Exposed personal information from data breach incidents increases the risk of identity theft and phishing emails and scams.

Furthermore, genetic and ancestry information can provide further insights into a person’s identity, family relationships and biological characteristics. Once information of this nature has been accessed or disclosed, it may be difficult or impossible for an individual to regain complete control over it.

Under GDPR, companies that gather or hold personal data have a responsibility to their customers to protect that information from unauthorised third parties. Group litigation can ensure consumers are adequately compensated for the damages caused, and that corporates should be held accountable for data privacy breaches.

What our data breach lawers say:

“The 23andMe data breach is particularly concerning because of the highly sensitive nature of genetic and ancestry information involved. Our focus is on establishing whether the appropriate safeguards were in place, and what legal remedies may be available to those affected.”

Kingsley Hayes | Partner & Head of Data & Privacy Litigation

23andMe Data Breach Timeline
06 Oct 2023
06 Oct 2023
News broke that 23andMe had experienced a massive data breach.
20 Oct 2023
20 Oct 2023
23andMe said it was temporarily disabling features in the "DNA Relatives" to protect user privacy
24 Oct 2023
24 Oct 2023
23andMe sent emails to several customers to inform them of a breach into the "DNA Relatives" feature.

Why choose KP Law to represent you in this data breach?

At KP Law, we represent clients in group actions with the innovation, resources and expertise needed to take on complex cases. Our GDPR, data breach and cybercrime specialists have more than 50 years of combined experience, making us one of the most experienced multi-claimant law firms in the UK. Working alongside leading barristers and legal experts, we provide the highest standard of support while leveraging the resources and global expertise required to pursue challenging claims successfully. With offices in London, Liverpool, Manchester and Birmingham, supported by technology that enables us to serve clients across England and Wales, we combine national reach with a modern, client-focused approach. By using innovative technology, operating on a no-win, no-fee basis, and keeping the process straightforward and hassle-free, we make accessing expert legal representation as simple as possible.

FAQs for the 23andMe data breach

According to the company, hackers may have used credentials leaked from other websites to breach 23andMe accounts – a technique known as ‘credential stuffing’.

The compromised data includes:  

  • Relationship labels  
  • Ancestry reports  
  • Matching DNA segments  
  • Location  
  • Birth year  
  • Ethnicity   
  • Profile pictures 
  • Family names.     

Other sensitive information could also be affected.

In an email to affected it users, 23andMe said: 

“We are working with third-party forensic experts on this investigation, as well as federal law enforcement. We have also required all customers to reset their passwords. Security and privacy are the highest priorities at 23andMe. We exceed industry data protection standards and have achieved three different ISO certifications to demonstrate the strength of our security program. We actively and routinely monitor and audit our systems to ensure that your data is protected. When we receive information through those processes or from other sources claiming customer data has been accessed by unauthorized individuals, we immediately investigate to validate whether this information is accurate. Beginning in 2019, we’ve offered and encouraged users to use multi-factor authentication (MFA), which provides an extra layer of security and can prevent bad actors from accessing an account through recycled passwords.”  

23andMe has also advised users change their login information and enable two-factor authentication to keep their accounts secure. 23andMe has not offered victims any credit monitoring or identity protections following the breach.

23andMe should be in touch to notify affected individuals.

Anyone who thinks they might be involved should take immediate steps to protect themselves. Find out how to do this here.

If you live in England or Wales and you are involved in this breach, you may be able to join our no-win, no-fee compensation claim. There are no costs to register and no obligation to proceed.

A group action claim is where a group of people – sometimes even thousands of people – have been affected by the same issue. Group action cases are also known as class actions, multi-claimant, or multi-party actions

If we do launch a group action, there are no costs to join a claim. However, if your claim is successful, you may have to pay a ‘success fee’. This fee is taken from the compensation awarded to you. At KP Law, our success fee is competitive, and we make sure you are fully informed about any potential costs before you officially join our action. If you lose, you won’t have to pay a penny.

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What our clients say:

“Used KP Law for a group data breach compensation claim. I was kept updated throughout the process. The whole thing was easy with no stress.” – Anon

“I used the firm as part of a group action following a, potentially, hazardous data breach. From the very start, I was kept updated regarding the other side’s actions and what the counter actions were. I found KP to be trustworthy, knowledgeable and very customer friendly.” – Pat

“I used KP Law for the first time for a data breach group compensation claim. From outset to conclusion I was kept fully informed and received clear, regular updates throughout. I would not hesitate to recommend them and would chose them in any future action.” – Owen

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