TCG
bd_380f3ce850d3ec3e · schema v1 · pii pii-v1
Full breach record for TCG →2 incidents on fileThreat-actor claim — not a regulatory filing
This row is a claim by the ransomware group Sinobi 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
TCG Inc delivers specialized information technology and management advisory services to federal government agencies, combining technical expertise with deep understanding of public sector operations. The company focuses on four core competencies: Agile development methodologies, federal shared services optimization, budget formulation and execution support, and health science analytics. This multifaceted approach enables TCG to address complex challenges across diverse government missions. The company's service offerings reflect extensive experience navigating federal procurement, compliance requirements, and mission-critical operations. TCG's Agile development capabilities help agencies modernize legacy systems and accelerate software delivery cycles. In budget management, the firm provides advisory support for formulation processes and execution strategies, helping agencies optimize resource allocation and financial planning.
J jump to incidentP pin to compareR raw source
Incident timeline — mostly unverified
? — ?
Breach window unknown
Dec 7, 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
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Compliance clock
Not assessable
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.
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.
sinobi
According to ransomware.live, Sinobi is a private vetted-affiliate RaaS group that emerged in mid-2025, believed to be a rebrand of the Lynx/INC ransomware lineage, claiming 176 victims by end of 2025 through double-extortion attacks primarily against mid-market US organizations via compromised SonicWall VPN credentials.