Cicada 3301’s Bold Strike on B&M – Expertise – Audit
Summary
On July 18, 2025, the ransomware group Cicada 3301 publicly claimed responsibility for an attack targeting B&M – Expertise – Audit, a French-based company specializing in auditing services. According to the threat actor’s post, they intend to release sensitive data unless negotiations are initiated.
Incident Report
| Field | Details |
|---|---|
| Target | B&M – Expertise – Audit |
| Domain | |
| Country | France |
| Attacking Group | Cicada 3301 |
| Date Reported | July 18, 2025 |
| Threat Actor Statement | “The full leak will be published soon, unless a company representative contacts us via the channels provided.” |
B&M – Expertise – Audit operates within the auditing sector and is known for providing detailed financial audits and consultancy services. The attack by Cicada 3301 poses a significant risk to their data security and client confidentiality.
Cicada 3301 is infamous for its enigmatic and sophisticated operations, often involving cryptography and complex puzzles. Their recent activities have shown a marked shift towards more aggressive ransomware tactics.
To proactively respond to such threats, organizations should invest in darkweb monitoring to detect potential data leaks early. Utilizing tools like the email breach checker can help companies monitor unauthorized data exposure and take timely action.
Recommendations
- Monitor your domains and email addresses for exposure using reputable threat intelligence tools.
- Conduct a full compromise assessment and incident response drill internally.
- Verify backups and ensure they are offline and ransomware-resistant.
- Educate staff on phishing, social engineering, and lateral movement techniques used by groups like Qilin.
- Engage with cyber forensics and legal counsel before initiating contact with threat actors.
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Disclaimer
The MSPDarkIntel team does not engage in the exfiltration, downloading, taking, hosting, viewing, reposting, or disclosure of any stolen information.
All breach data reported here is sourced from publicly available threat intelligence feeds for awareness and early-warning purposes only.
Our goal is to inform organizations of emerging threats so they can take timely defensive action.
