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Recent Breaches › Groupe Sécurité CLB Listed by AiLock Ransomware Group

HIGH severityUnverified claimHow we verify

Groupe Sécurité CLB Listed by AiLock Ransomware Group: Ransomware Claim — What’s Alleged & What To Do

RBRecent Breaches Breach Intelligence·June 4, 2026
Groupe Sécurité CLB Listed by AiLock Ransomware Group

Reported June 4, 2026.

HIGH
Severity
June 4, 2026
Disclosed
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Groupe Sécurité CLB was listed by the AiLock ransomware group on June 04, 2026, with internal files reported as exfiltrated. An undisclosed number of people may be affected; anyone connected to the organisation should check for signs of exposure and respond accordingly.

Severity & verification
HIGH severityUnverified claim
Data types not itemised.
Published on a ransomware group’s leak site — an unverified extortion claim until the named organization or credible reporting corroborates it.
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On June 4, 2026, the ransomware group AiLock listed Groupe Sécurité CLB on its data-leak site and claimed to have carried out a ransomware attack against the company. The listing states that internal files were exfiltrated, but no further details on the volume of data, the number of individuals affected, or the method of intrusion have been made public.

What happened

The incident came to light solely through AiLock’s leak-site posting on the reported date. The group claims responsibility for a ransomware operation that resulted in the removal of internal files from Groupe Sécurité CLB’s systems. No independent confirmation of the breach, its timing, or its technical details has been released by the company or by investigators. The number of people whose information may be involved is not stated in any available record.

Inside AiLock

AiLock operates as a ransomware group that typically combines encryption of victim systems with the theft of data, then uses a public leak site to pressure organizations into paying a ransom. Such groups commonly announce claimed victims on their sites when negotiations stall or to demonstrate activity to other potential targets. The listing of Groupe Sécurité CLB follows this pattern, though the group’s specific assertions about this case remain unverified beyond the post itself.

Groupe Sécurité CLB and its sector

Groupe Sécurité CLB provides football score tracking and prediction services, including historical queries, live updates, and match forecasts across European and Asian leagues. Organizations in this sector routinely maintain databases of user accounts, subscription details, and operational records to deliver real-time content. A compromise at such a firm can therefore expose both business systems and any personal information collected from users or partners.

The information in question

The only data category named in connection with the incident is “internal files exfiltrated in ransomware attack.” No inventory of specific file types, databases, or personal identifiers has been published. While companies of this kind commonly store customer emails, account credentials, payment records, and usage logs, the precise contents of the claimed exfiltration remain unconfirmed.

What's at stake

Exposure of internal files can reveal operational procedures, partner relationships, or user data that may later appear on public forums or be used for further targeting. Individuals whose details are present in such material face risks of account takeover, phishing, or identity misuse, though the scale of any such exposure is not yet known. For the organization, the incident adds to the operational burden of incident response and potential regulatory scrutiny common in data-handling sectors.

Were you affected?

Individuals concerned about possible exposure should monitor their email accounts and financial statements for unusual activity and consider enabling multi-factor authentication on services linked to the company. Running a free exposure scan of one’s email address against known breach repositories provides an initial check on whether associated information has already appeared in public data sets.

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

Editorial & sourcing policy
Recent Breaches is a breach-monitoring service and news aggregator. We do not exfiltrate, host, purchase, or redistribute stolen data, and we do not hold the data claimed in leak-site listings. Incidents are compiled from publicly accessible sources and threat-intelligence platforms and are reported as claims attributed to their source. We promptly correct or remove material shown to be inaccurate — write to support@galaxywarden.com or press@recentbreaches.com.
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How this breach connects

Company

Attributed to

Method

CompanyGroupe Sécurité CLB security record
84/100
DoxxScan™ · Low doxx risk
B- 76Above-average record

1 reported incident on record.

See Groupe Sécurité CLB’s full breach history →

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Source: threat-actor leak-site listing

Publicly posted by ailock — unverified claim, pending independent verification

Breach listings — particularly those originating from ransomware or leak sites — are third-party claims that may be unverified, incomplete, or inaccurate. A listing does not by itself confirm that a breach occurred or that any specific data was exposed. Severity is an automated assessment, not a definitive rating. Verification status is shown where available.

Attributions to threat groups and methods reflect public reporting and, in some cases, unverified claims made by the groups themselves; they may be incomplete or later revised. Recent Breaches and GalaxyWarden are independent and are not affiliated with, and do not endorse, any company or group named on this page. This information is aggregated from public sources for awareness only and is not legal, security, or investment advice.

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