MalwareTelecom & MediaInformationRansomwareCapture Stored DataRansom DemandedData ExfiltratedData EncryptedData Leak ThreatenedEmployee Data InvolvedCustomer Data InvolvedDelayed DiscoveryPIIEMPLOYMENTLowContained
Conterra Ultra Broadband Holdings, Inc.
bd_5888499effd3ba40 · schema v1 · pii pii-v1
Full breach record for Conterra Ultra Broadband Holdings, Inc. →Conterra Networks (Conterra Ultra Broadband Holdings, Inc.) experienced a ransomware attack between March 2–12, 2025, discovered on March 8, 2025. An unauthorized actor accessed the network, encrypted servers, and potentially viewed or exfiltrated files containing employee/former-employee personal information. 1,497 individuals were affected in total, including 9 Maine residents. FBI was notified. Complimentary identity monitoring services were offered through Identity Defense (Epiq).
Maine clockDiscovered Mar 8, 2025 → Filed with AG Jul 17, 2025131d ✗ ME AG >90d19 weeks discovery → filing
⚠ unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.
This filing is one of 3 about the same incident.View merged incident
A leak claim by ransomhub about this victim predates this filing by 137 days.View originating leak claim
Linked disclosures
Why this link?Ransomware claims (2)
- bd_55f63d18456b449cLeak Siteransomhubfiled 2025-03-26(113d gap)Verified
- bd_25cbe0305681e9a6Leak Siteransomhubfiled 2025-03-02(137d gap)Verified
Source provenance
- Source URL
- https://www.maine.gov/agviewer/content/ag/985235c7-cb95-4be2-8792-a1252b4f8318/fd278b65-cf6a-47d8-89ac-e697fb6bbfc0.html
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
- Filed at
- Jul 17, 2025
- Raw hash
- b2e4e37d6071a4f60f83e4a003ff60dde40b88fcd93ae2d627c91e50aee26afe
Reporting entity
- Name
- Conterra Ultra Broadband Holdings, Inc.norm: conterra ultra broadband
- Domain
- conterra.com
- Industry
- Broadband / Telecommunications
Victim entity
- Name
- Conterra Ultra Broadband Holdings, Inc.norm: conterra ultra broadband
- Domain
- conterra.com
- Industry
- Broadband / Telecommunications
- Industry
- Telecom & Mediallm
Incident
- Discovered
- Mar 8, 2025
- Materiality determined
- —
- Notification sent
- Jul 17, 2025
- Affected individuals
- 9
- Data types
- PIIEMPLOYMENT
- Attack vector
- Ransomware
- MITRE ATT&CK
- T1486 Data Encrypted for ImpactT1041 Exfiltration Over C2 Channel
- Threat actor
- ExternalFinancial
- Regulator citations
- Notified Federal Bureau of Investigation (FBI)
Compliance
- Time to disclose
- 19 weeks(131 days from discovery to filing)
- Compliance flags
- ME AG >90d · 131dME resident >60d · 131dLeak >90d
- Discovery-date grounding
- unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.
- Clock breakdown
Statute Window Elapsed Threshold Status Maine Discovered: Mar 8, 2025→ Filed with AG: Jul 17, 2025131d 90 days ME AG >90d Maine Discovered: Mar 8, 2025→ Notified: Jul 17, 2025131d 60 days (analyst band; statutory cap is 30 days) ME resident >60d
Extraction provenance
- Status
- No extraction artifact recorded for this disclosure.