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high severity June 06, 2025 · 4 min read Unverified claim — what this is

Best Profil Listed by lynx Ransomware Group

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

Après 20 ans d’expertises dans le domaine des ressources humaines, la synergie entre l'ensemble de nos activités (Intérim Cdd Cdi, Recrutement, Formation) est maintenant totale. Nous sommes donc fiers de vous annoncer que nous avons réuni toutes nos activités sous l'enseigne BEST PROFIL. Ce tournant stratégique nous permet de nous adapter aux exigences d'un marché en continuel évolution. Nous avons accompagné ce regroupement par un changement d'identité visuel qui véhiculera nos valeurs et nos promesses. . Au delà d’une signature « l’homme au cœur de nos métiers » est une préoccupation journal

— from Lynx’s own leak-site posting. This is the group’s claim, quoted verbatim; it is not GalaxyWarden’s reporting and has not been independently verified.
Best Profil Listed by lynx Ransomware Group

On June 6, 2025, French human-resources firm Best Profil appeared on the leak site of the lynx ransomware group, with attackers claiming to have exfiltrated internal files after a ransomware attack on the company that has spent two decades specializing in temporary and permanent recruitment, training, and related services.

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What Public Reporting Shows

Available reporting describes the listing on the lynx leak site as part of an active ransomware campaign. The company’s own public announcement, referenced in the leak page, states it unified its interim, recruitment, and training operations under the Best Profil brand after 20 years of separate activities. Public reporting indicates that internal files were taken; the exact number of people whose records were exposed remains unknown. No confirmed list of specific data types such as names, addresses, or payroll details has been published by the group or the victim at the time of writing.

Why This Matters for You and Your Family

When a company that handles employment records suffers a breach, the information it holds often includes full names, dates of birth, national identification numbers, home addresses, phone numbers, email accounts, salary details, and banking information for both current and former employees as well as candidates. Best Profil works across temporary contracts, permanent placements, and training programs, so anyone who has used their services in the past two decades could be affected. If your data is among the stolen files, it can be sold quietly on underground forums long before any public announcement, giving thieves months or years to open accounts, file fraudulent tax returns, or target your family members whose details are linked through the same employer records.

The Doxxing and Identity-Chain Implications

Credential leaks from HR and recruitment databases rarely stay isolated. A single exposed work email or phone number can be correlated with gaming accounts, social-media handles, and family-member profiles to build a complete identity chain. Public reporting on similar incidents shows that once attackers link an adult’s employment data to a child’s gaming username or school email, the entire household becomes easier to dox. Gaming accounts are especially vulnerable because children and teenagers often reuse passwords or security questions derived from family information. Credential leaks like this one therefore cascade into account takeovers that expose chat logs, location data, and photos, feeding further extortion or identity theft.

Lynx Ransomware Group’s Known Track Record

Public reporting attributes the lynx ransomware group with emerging in late 2024. The group has claimed responsibility for attacks on organizations across Europe and North America, typically listing healthcare providers, professional-services firms, and small-to-medium businesses on its leak site. Its publicly documented playbook involves initial access through phishing or exploited remote desktop services, followed by exfiltration of internal documents before encryption. Lynx then demands payment and, if unmet, publishes samples or full datasets on its onion site with countdown timers. Exact success rates and prior victim counts are difficult to verify, but available reporting describes a pattern of opportunistic targeting of companies with limited public breach disclosures.

What to do

  • Run a DoxxScan to map every link between your handles, emails, phone numbers, and real identity, with cleanup handled by the service.
  • Enable continuous DoxxScan monitoring across 13.1B+ breach records and 100+ platforms so the next exposure of your data is caught in hours rather than months.
  • Rotate every password you used at Best Profil or any recruitment site where it has been reused, and switch on 2FA through an authenticator app instead of SMS.
  • Cover the household with DoxxScan family protection that extends to dependents and children’s gaming accounts that can chain back to the same address or parent email.
  • Let remediation specialists perform hands-on takedown requests across data brokers and leak forums on your behalf while you focus on securing accounts.

The incident underscores that employment and recruitment data now functions as a master key for identity thieves. Acting quickly on the credentials already exposed, while establishing ongoing visibility into new leaks, remains the most practical defense for you and your family. DoxxScan by GalaxyWarden delivers that combination through 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 explicitly includes children’s gaming accounts vulnerable to the same credential-stuffing chains seen in attacks like the one on Best Profil.

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.

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Report details & sourcing

Severity High the filing does not enumerate what was exposed
Disclosed June 06, 2025
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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