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GLOBALMalwareProfessional ServicesProfessional ServicesRansomwareThegentlemenRansom DemandedActor NamedMedium

Manhattan Fire Safety Corp

bd_acfd58596277a8ac · schema v1 · pii pii-v1

Severity

Medium

Discovered

Filed

May 6, 2026

To disclose

Affected

Not disclosed

Confidence

50%
Full breach record for Manhattan Fire Safety Corp

Threat-actor claim — not a regulatory filing

This row is a claim by the ransomware group Thegentlemen on its public extortion blog. It has not been validated by the victim or any regulator. Treat attribution and counts as the threat actor's assertion until a regulatory filing or victim disclosure corroborates them.

Group activity: Business ServicesDiscovered: 2026-05-06

Source: Ransomware.live

Post text · scraped from the leak site

mfsnyc.com rocketreach.co/mfs-nyc-profile_b4779b17fc5cb39e Manhattan Fire & Security (MFS) is a licensed fire alarm and security services firm based in New York City, with over 15 years of experience serving commercial and industrial clients across NYC and surrounding areas. The company employs NICET-certified engineers and licensed fire alarm contractors who design, install, inspect, and maintain fire alarm and ARC (Auxiliary Radio Coverage) systems fully in compliance with FDNY requirements. Beyond fire safety, MFS also provides IT communication systems, structured cabling, and security solutions, offering 24/7 monitoring and maintenance to eliminate downtime and ensure continuous operational safety for businesse

Incident timeline — mostly unverified

? — ?

Breach window unknown

May 6, 2026

Claim posted

No filing yet · watching

Compliance clocks stay unassessable until a regulatory filing lands. Dashed segments fill in automatically when corroboration arrives.

Claim → filing

Compliance clock

Not assessable

Tracked as a single-filing incident — the only disclosure on record for this event so far.Unverified claimView incident

Evidence ladder

Leak-site claimThis record

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filing

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

Unlocks: materiality, stated response, full audit trail. Ceiling removed.

No regulatory filing corroborates this yet — it is the attacker's own assertion. Watch this entity to be notified the moment a filing corroborates or contradicts it.

Source ceiling

  • actor name
  • victim claim
  • ransom/leak status
  • discovery date
  • materiality
  • notification
  • affected count
  • confirmed data types
  • compliance clock

The ✕ fields stay blank until a regulatory filing or victim disclosure lands.

About this groupFirst seen 2023-02-28

thegentlemen

According to ransomware.live, The Gentlemen is a RaaS group that emerged in July–August 2025, rapidly claiming over 320 victims across 17+ countries by offering affiliates a 90% revenue share, deploying a Go-based locker against Windows, Linux, NAS, and BSD systems; a compromised C2 server in 2026 revealed more than 1,570 linked victims.

870 tracked hereFull profile →