Mark Thomas
bd_c2aaa036ce369266 · schema v1 · pii pii-v1
Full breach record for Mark Thomas →Threat-actor claim — not a regulatory filing
This row is a claim by the ransomware group Lynx 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
Founded in 1927, Mark Thomas & Company have provided land surveying, engineering, urban design, and landscape architectural services that have set the stage for countless California roadways, structures, bicycle/pedestrian facilities, parks, communities, and flood control and utility systems. Mark Thomas is headquartered in San Jose, California.
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Incident timeline — mostly unverified
? — ?
Breach window unknown
Oct 15, 2024
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 (5) · sorted by filing gap
- Maryland State AGbd_0cf5b6183c2f83052025-03-17 · +153dVerified
- Montana State AGbd_3504e41c57bc3b572025-03-17 · +153dVerified
- Massachusetts State AGbd_44ccc14ac59b80ca2025-03-17 · +153dVerified by operator
- California State AGbd_d4dea20565b11d2c2025-03-17 · +153dVerified
Show 1 more filing ↓Show fewer ↑up to 153d gap
- Maine State AGbd_d7721e107d361a8c2025-03-17 · +153dVerified
Filing propagation · 6 filings · 5 states
View merged incident ↗Pattern: first filing Oct 15, last Mar 17 (ME) — a 153-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.
lynx
According to ransomware.live, Lynx is a ransomware-as-a-service operation that emerged in mid-2024 as a rebrand of INC Ransomware (whose source code was sold for $300,000 on the RAMP forum), claiming ~300 victims across manufacturing, business services, technology, and transportation with an 80/20 profit split for affiliates.