JHT Holdings, Inc.
bd_235dfa7b2b169d61 · schema v1 · pii pii-v1
Full breach record for JHT Holdings, Inc. →JHT Holdings, Inc. notified the New Hampshire Attorney General of a ransomware incident affecting its subsidiaries (including ATC Transportation). Unauthorized access occurred between March 4 and March 22, 2021. The attack encrypted servers and exfiltrated data, including names and Social Security numbers, of 11 New Hampshire residents. JHT engaged forensic investigators, notified the FBI, and provided one year of credit monitoring to affected individuals.
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Incident timeline
Mar 4, 2021
Begins
Mar 22, 2021
Discovered
May 7, 2021
Filed
Linked disclosures
Why this link?Regulatory filings (6) · sorted by filing gap
- Washington State AGbd_7b3cc16f5357fae02021-05-07Verified
- Montana State AGbd_8931f834dbba6b892021-05-07Verified
- Indiana State AGbd_93d4b4466a9a480e2021-05-07Verified
- Maine State AGbd_b591316a7a98c05b2021-05-07Candidate
Show 2 more filings ↓Show fewer ↑
- Oregon State AGbd_e535fd8ef86341f82021-05-07Verified
- Massachusetts State AGbd_fdb623f4b9e242e32021-05-07Verified
Filing propagation · 7 filings · 7 states
View merged incident ↗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.