Manchester Credit Union
bd_8e002eb5e13d716b · schema v1 · pii pii-v1
Full breach record for Manchester Credit Union →Threat-actor claim — not a regulatory filing
This row is a claim by the ransomware group Sarcoma 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.
Source: Ransomware.live
Post text · scraped from the leak site
Manchester Credit Union Manchester Credit Union offers ethical and affordable financial services, including personal loans and savings opportunities, catering primarily to local residents. The organization emphasizes community involvement, providing members with a share in ownership and earning dividends on their savings. They also offer a mobile app for convenient money management, and various educational initiatives aimed at promoting financial literacy. With over 30,000 members, the credit union is committed to supporting individuals and communities while keeping financial services accessible.Geo: United Kingdom - Leak size: 6 GB Archive - Contains: Files,SQL
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Incident timeline — mostly unverified
? — ?
Breach window unknown
Apr 17, 2025
Claim posted
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Corroborated · see linked filings
Compliance clocks stay unassessable until a regulatory filing lands. Dashed segments fill in automatically when corroboration arrives.
Claim → filing
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Compliance clock
Not assessable
Linked disclosures
Why this link?Regulatory filings (1) · sorted by filing gap
- Presssarcomabd_2c8e6b603befa31a2025-04-03 · +14dCandidate
Filing propagation · 2 filings
View merged incident ↗Pattern: first filing Apr 3, last Apr 17 — a 14-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?
Evidence ladder
Attacker assertion only. Establishes: claim date, group, alleged victim.
Unlocks: incident narrative, operational impact. Still no compliance clock.
Unlocks: discovery date, data types, affected count, compliance clock.
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.
sarcoma
According to ransomware.live, Sarcoma is a ransomware group that debuted in October 2024, immediately ranking among the top three most active groups globally and surpassing 116 documented victims by mid-2025, targeting mid-market companies across manufacturing, retail, healthcare, legal, and business services with roughly 50% of victims in the United States.