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high severity January 01, 2023 · 3 min read Unverified claim — what this is

CDER Listed by play Ransomware Group

If you are a customer of Cder, here’s what is being claimed, and what it would mean for you.

Cder was listed on Play's leak site. Play claims to have stolen internal data. This is the group's claim, not a confirmed finding.

CDER Listed by play Ransomware Group

CDER, a French organization based in Fere-Champenoise, appeared on the leak site of the Play ransomware group on January 01, 2023. The listing indicates that internal files were exfiltrated during a ransomware attack, placing anyone whose personal or employment data was stored in those systems at direct risk of exposure.

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Primary Disclosure Details

The Play ransomware leak site lists CDER as a victim and states that internal files were exfiltrated. The disclosure does not specify the volume of data taken, the exact types of records involved, or the number of individuals affected. It also does not publish a ransom demand or a public sample of the stolen material. The entry states the incident occurred as part of a ransomware operation but provides no further technical details about the initial access vector or the precise date of compromise.

Why This Matters for You and Your Family

When an organization like CDER suffers a ransomware breach, the information stolen often includes names, addresses, dates of birth, national identification numbers, financial details, or employment records belonging to employees, contractors, customers, or partners. Even though the exact data types remain unknown, the exfiltration of internal files means your personal information could already be in the hands of criminals. For ordinary families this translates into heightened risk of identity theft, fraudulent loan applications, tax fraud, or targeted scams that use real details from your life.

Children’s records are frequently swept up in such incidents through school, medical, or family-linked files. Once exposed, that data can follow them for years.

Doxxing and Identity-Chain Risks

Stolen internal files rarely exist in isolation. A single leaked email address, phone number, or employee ID can be combined with data from previous breaches to build a complete identity profile. Attackers chain these fragments across dozens of platforms, linking gaming usernames, social-media handles, and family addresses. The result is doxxing that can expose your home location, family relationships, and daily routines. Credential leaks of this nature frequently cascade into account takeovers, especially for gaming accounts belonging to you or your children, where weak or reused passwords give attackers an easy entry point.

Play Ransomware Group Track Record

Public reporting attributes the Play ransomware group with emerging in mid-2022. The group has targeted organizations across Europe and North America, often listing victims in healthcare, education, manufacturing, and local government sectors. Their typical playbook involves gaining initial access through phishing, remote-desktop protocol exploitation, or compromised credentials, followed by lateral movement, data exfiltration, and deployment of ransomware. Play then uses a double-extortion model: they threaten both to encrypt victim systems and to publish stolen files unless a ransom is paid. Leak-site listings like the one for CDER serve as public pressure to force payment or, failing that, to advertise the data to other criminals.

What to do

  • Run a DoxxScan to map every link between your emails, phone numbers, handles, and real-world identity, with cleanup handled by the service.
  • Enable continuous DoxxScan monitoring across 13.1B+ breach records and 100+ platforms so the next exposure surfaces in hours rather than months.
  • Rotate any password you used at CDER or related services and secure every account with 2FA through an authenticator app instead of SMS.
  • Cover your entire household with DoxxScan family protection that extends to dependents and children’s gaming accounts vulnerable to credential chaining and takeover.
  • Let remediation specialists manage takedown requests for any exposed personal records appearing on data-broker or extortion sites.

The CDER breach underscores that even organizations with limited public profiles can become gateways to personal data theft. Acting quickly on credential hygiene and identity mapping limits how far attackers can travel down the chain. DoxxScan by GalaxyWarden delivers continuous monitoring across 13.1 billion+ breach records and more than 100 platforms, AI-powered identity-chain mapping, hands-on remediation by specialists, and full household coverage that includes children’s gaming accounts at risk from leaks like this one.

What the free scan actually returns

Sample resultyou@email.comIllustrative — not a real person

Found on people-search siteswe remove these

These listings are live, public, and legal to remove — and removing them is what we do.

value redacted in this sampleage, relatives, address historySpokeo
value redacted in this samplephone, household, property recordsBeenVerified
value redacted in this sample582 companies checked

Found in breach recordsverifiedreported — unverified

Each record is labeled: confirmed breach data, or an attacker’s claim no one has verified.

verifiedvalue redacted in this samplepassword + phone · 2024telecom breach
unverifiedvalue redacted in this sampleclaimed in ransomware listing · 2026leak-site claim

Leaked data cannot be deleted from the internet — anyone claiming otherwise is lying. Broker listings can be removed. We do the second, and show you exactly what to fix from the first.

Check your exposure
Cder is one listing. Your email is probably in others.
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Report details & sourcing

Severity High the filing does not enumerate what was exposed
Disclosed January 01, 2023
Last reviewed August 8, 2026
Affected Unconfirmed
Unverified claim — what this report is
This page documents a public listing on a ransomware/extortion group’s leak site, tracked via public threat-intelligence sources. A listing is the attacker’s claim. GalaxyWarden aggregates and reports such claims; we have not independently verified that a breach occurred, what data (if any) was taken, or the accuracy of anything the group asserts, and the named organisation has not necessarily confirmed the incident. Sections above describe what the listing shows and the group’s documented history — not verified findings about the named organisation. If you represent this organisation and believe anything here is inaccurate, tell us and we’ll review it promptly.
Editorial & sourcing policy
GalaxyWarden is a breach-monitoring service and news aggregator. We do not exfiltrate, host, purchase, or redistribute stolen data. Breach information is compiled from publicly accessible sources and threat-intelligence platforms, and is reported as claims attributed to their source. We promptly correct or remove material shown to be inaccurate — see our content & takedown policy or write to support@galaxywarden.com.
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