DisclosureLens
GLOBALMalwareTransportation & LogisticsTransportationRansomwareDunghillRansom DemandedActor NamedMedium

Go-Ahead Group

bd_9d4da352e05a7c44 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Filed

Sep 26, 2023

To disclose

Affected

Not disclosed

Confidence

50%
Full breach record for Go-Ahead Group2 incidents on file

Threat-actor claim — not a regulatory filing

This row is a claim by the ransomware group Dunghill 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: Transportation/LogisticsDiscovered: 2023-09-26

Source: Ransomware.live

Post text · scraped from the leak site

Go-Ahead Group plc is a passenger transport company based in Newcastle upon Tyne, England. The majority of its operations are within the United Kingdom, Ireland, Singapore, Norway, and Germany. Go-Ahead diversified into ground handling services at various British airports via the acquisition of Gatwick Handling International, British Midland, and Reed Aviation. Acquired numerous other British transport companies, including Thames Travel, Carousel Buses, Hedingham, Anglian Bus, and HC Chambers & Son. It was contracted to operate bus and rail services in Germany and Singapore. During January 2023, it was announced that Go-Ahead was expanding into the Australian market via the U-Go Mobility joint venture with the engineering company UFL.

Incident timeline — mostly unverified

? — ?

Breach window unknown

Sep 26, 2023

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 2023-04-10

dunghill

According to ransomware.live, Dunghill Leak is the data extortion site operated by the Dark Angels ransomware group, active since early 2023, targeting large enterprises across healthcare, finance, industrial, and technology sectors using a highly selective non-affiliate model, and responsible for a record-breaking $75 million ransom payment in 2024.

16 victims claimed globally16 tracked hereFull profile →