Deezer Data Breach (2019): What Was Exposed & What To Do

In late 2022, Deezer disclosed a data breach that originated from a backup created in mid-2019. The incident affected 229 million unique email addresses along with associated user details, after a third-party partner exposed the material, which was later sold and redistributed on a hacking forum. The exposure is significant because it involved a music streaming platform that maintains accounts for a large international user base, leaving millions of individuals with personal identifiers now circulating beyond their original intended use.

Breaking down the breach

The breach involved a 2019 backup that a third-party partner left exposed. That material was subsequently sold and then shared more widely on a popular hacking forum. Deezer stated that the incident affected 229 million unique email addresses along with names, usernames, genders, dates of birth, geographic locations, and IP addresses. The company reported the matter in late 2022. No further technical details on the initial exposure or the exact volume of records beyond the 229 million unique emails have been released publicly.

How a breach like this happens

Incidents involving old backups often stem from retained copies of customer data stored outside primary production systems. When such archives are held by external partners, access controls can lapse over time, allowing the files to become accessible without authentication. Once obtained, the data may be traded or posted on forums, extending its availability beyond the original compromise. These patterns typically reflect gaps in retention policies or oversight of third-party storage rather than direct intrusion into live services.

Deezer and its sector

Deezer operates as a music streaming service that requires users to create accounts to access its catalog. Like other platforms in this sector, it collects standard registration and usage information to manage subscriptions, personalize recommendations, and handle billing. A breach at a service of this scale is consequential because streaming accounts frequently link to payment methods and contain persistent identifiers that remain useful for years after the data leaves the company’s control.

What data was at risk

The disclosed information includes dates of birth, email addresses, genders, geographic locations, IP addresses, names, spoken languages, and usernames. These categories align with the details a streaming service typically records during account creation and routine use. The exact scope of every record remains unconfirmed beyond the 229 million unique email addresses cited in the disclosure.

The real-world impact

Individuals whose details appeared in the data face an elevated chance of receiving phishing messages crafted around their listening history or account age. Email addresses combined with names and dates of birth can support more convincing social-engineering attempts or attempts to reset passwords on other services. For Deezer, the incident adds to the operational burden of notifying users and reviewing third-party data-handling practices, though the company has not published figures on resulting fraud claims or remediation costs.

If your data was in this breach

Review recent account activity on Deezer and any linked services, and change passwords if the same credentials were reused elsewhere. Enable multi-factor authentication on email and streaming accounts where available. You can run a free exposure scan of your email address against known breach data to check whether your information appears in this or other documented incidents.

AICompiled with AI assistance from public sources and published under our editorial standards.