Tecogen Inc.
ent_019e59fcab66c939ec3b9091f14f05cd
Disclosures
2
SEC 10-K Item 1C · SEC 8-K · 1 jurisdiction
Multi-filing incidents
—
no multi-filing 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. experienced a ransomware attack on April 28, 2023, which the company said appears to have been a spear-phishing attack aimed at a specific target through the company's VPN. The company engaged IT providers, contained the threat, restored files from backups, and fully restored network operations by May 1, 2023. Remediation includes implementing MFA and reviewing IT infrastructure.