DisclosureLens
GLOBALMalwareGovernmentGovernmentRansomwareThreeamRansom DemandedActor NamedData Leak ThreatenedData PublishedHigh

Town of Norwell

bd_ac97c40077ca53d5 · schema v1 · pii pii-v1

Severity

High

Discovered

—

Filed

Aug 31, 2025

To disclose

—

Affected

Not disclosed

Linked

2 records

Confidence

50%
Full breach record for Town of Norwell →

Threat-actor claim — not a regulatory filing

This row is a claim by the ransomware group Threeam 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: Public SectorDiscovered: 2026-05-01

Source: Ransomware.live

Post text · scraped from the leak site

The Town of Norwell MA offers a variety of municipal services including animal control, building permits, health clinics, and recreational programs. It serves the residents of Norwell by ensuring public safety, facilitating community events, and p

Incident timeline — mostly unverified

? — ?

Breach window unknown

Aug 31, 2025

Claim posted

—

Corroborated · see linked filings

This record's own dates cannot anchor compliance clocks; see the linked filings.

Claim → filing

—

Compliance clock

Not assessable

This leak-site claim is one of 2 records about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (1) · sorted by filing gap

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.

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 2023-08-04

threeam

According to ransomware.live, A new Ransomware family identified by the name '3AM' or 'ThreeAM' in September 2023. The ransomware operation was observed by the Symantec team, in which a ransomware affiliate attempted to deploy another ransomware, LockBit, on the target network and then switched to 3AM when LockBit was reportedly blocked. > > The ransomware operation, according to the publication on its Tor-based website, has been operating since mid-August 2023, according to the publication from its first victim. Source: https://github.com/crocodyli/ThreatActors-TTPs

116 tracked hereFull profile →