Tecogen Inc.
ent_019e59fcab66c939ec3b9091f14f05cd
Disclosures
2
SEC 10-K Item 1C · SEC 8-K · 1 jurisdiction
Incidents
—
no linked incident in sample
Max affected reported
—
no filed count in sample
Leak-site claims
0
none in sample
Identity resolution
- Canonical name
- Tecogen Inc.
- Normalized
- tecogen— dedupe via name-norm; Microsoft / MSFT collapse to one row
- GLEIF LEI
- 549300GD898YRLK9SS61
- SEC EDGAR CIK
- None — not an SEC registrant
- Domain
- None on record
Disclosure history (2)newest first
- FEDERALSEC 10-K Item 1Cas victim2026-03-19
TECOGEN Inc. disclosed a ransomware attack on its computer network occurring on April 28, 2023, in its 10-K Item 1C. The company states the network returned to full operation on May 1, 2023, following remediation. The filing highlights reliance on third-party consultants for risk management and incident response but does not specify the scope of data exfiltration or the identity of the threat actor.
- FEDERALSEC 8-Kas victim2023-05-03
Tecogen Inc. disclosed a ransomware attack on April 28, 2023, initiated via a spear phishing attack through its VPN. Malware was found on two workstations; files were restored from backups by May 1, 2023. Tecogen changed passwords, audited accounts, disabled VPN pending MFA implementation, and is investigating improved security solutions.