DisclosureLens
GLOBALMalwareTechnologyInformationRansomwareHellcatRansom DemandedActor NamedMedium

Transsion

bd_ca8491e2aa77eeea · schema v1 · pii pii-v1

Severity

Medium

Discovered

Filed

Mar 29, 2025

To disclose

Affected

Not disclosed

Confidence

50%
Full breach record for Transsion3 incidents on file

Threat-actor claim — not a regulatory filing

This row is a claim by the ransomware group Hellcat 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: TechnologyDiscovered: 2025-03-29

Source: Ransomware.live

Post text · scraped from the leak site

We hold almost 70GB of sensitive data from Transsion, a leading mobile device provider with $8.6B in revenue. This includes emails, internal communications, source codes, project planning, and data from Transsion and its partners.

Incident timeline — mostly unverified

? — ?

Breach window unknown

Mar 29, 2025

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 2024-10-25

hellcat

According to ransomware.live, HellCat is a ransomware-as-a-service group that formed in Q4 2024 and quickly became notable for high-profile attacks against Schneider Electric, Telefónica, and Israel's Knesset, primarily gaining initial access via stolen Jira credentials harvested by infostealer malware, targeting critical infrastructure and government entities.

20 victims claimed globally20 tracked hereFull profile →