HackingFinancial ServicesFinanceData ExfiltratedCustomer Data InvolvedDelayed DiscoveryPIIIDENTITY_GOVERNMENTIDENTITY_BASICHighContained
HIGHTOWER HOLDING, LLC
bd_88f8377542b02145 · schema v1 · pii pii-v1
Full breach record for HIGHTOWER HOLDING, LLC →Hightower Holding LLC (Chicago, IL financial services) suffered unauthorized access Jan 8-9, 2026 via compromised user credentials. Files containing names, SSNs, and driver's license numbers were downloaded. Affected 1,557 ME residents (131,483 total). Discovered Jan 9, 2026; notices sent Mar 23, 2026. 12-month credit monitoring via TransUnion/Cyberscout offered.
Maine clockDiscovered Jan 9, 2026 → Filed with AG Mar 23, 202673d ⏱ ME AG >30d10 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 7 about the same incident.View merged incident
Linked disclosures
Why this link?Regulatory filings (6) · sorted by filing gap
- bd_11c694a16108e78eVermont State AGfiled 2026-03-23Verified
- bd_618ac39ae73afd62Washington State AGfiled 2026-03-23Candidate
- bd_63d000b1f7a59192New Hampshire State AGfiled 2026-03-23Verified
- bd_79f3f28728521373Indiana State AGfiled 2026-03-23Verified
Show 2 more filings ↓Show fewer ↑up to 2d gap
- bd_9ab4cb833accec1bMaine State AGfiled 2026-03-24(1d gap)Verified
- bd_6ed226a1f4fa64d6Texas State AGfiled 2026-03-25(2d gap)Verified
Source provenance
- Source URL
- https://www.maine.gov/agviewer/content/ag/985235c7-cb95-4be2-8792-a1252b4f8318/4279500a-59cc-4b07-bbc3-62ed0322bcc5.html
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
- Filed at
- Mar 23, 2026
- Raw hash
- 01f894621db3f1d3cf1e6700d1a20d9fa167bf1ec97b5c78685639bd04029d28
Reporting entity
- Name
- HIGHTOWER HOLDING, LLCnorm: hightower holding
- Domain
- hightoweradvisors.com
- Industry
- Financial Services
Victim entity
- Name
- HIGHTOWER HOLDING, LLCnorm: hightower holding
- Domain
- hightoweradvisors.com
- Industry
- Financial Services
- Industry
- Financial Servicesllm
Incident
- Discovered
- Jan 9, 2026
- Materiality determined
- —
- Notification sent
- Mar 23, 2026
- Affected individuals
- 1,557
- Data types
- PIIIDENTITY_GOVERNMENTIDENTITY_BASIC
- Attack vector
- Unauthorized Access
- MITRE ATT&CK
- T1078 Valid AccountsT1041 Exfiltration Over C2 Channel
- Threat actor
- External
- Regulator citations
- Notified Maine Attorney GeneralNotified federal law enforcement
- Initial access
- valid_credentials
Compliance
- Time to disclose
- 10 weeks(73 days from discovery to filing)
- Compliance flags
- ME AG >30d · 73dME resident >60d · 73d
- 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: Jan 9, 2026→ Filed with AG: Mar 23, 202673d 30 days (soft) ME AG >30d Maine Discovered: Jan 9, 2026→ Notified: Mar 23, 202673d 60 days (analyst band; statutory cap is 30 days) ME resident >60d
Extraction provenance
- Status
- No extraction artifact recorded for this disclosure.