DisclosureLens
HackingFinanceCustomer Data InvolvedGovernment IDHighContained

Arch Capital Services LLC

bd_c90222998803b42a · schema v1 · pii pii-v1

Severity

High

Discovered

Jan 24, 2024

Filed

Feb 5, 2024

To disclose

12 days

Affected · nationwide

7,0362 in this filing

Linked

4 filings

Confidence

50%
Full breach record for Arch Capital Services LLC →

Arch Capital Services LLC reported a data breach affecting 2 Maine residents, discovered on January 24, 2024. The breach, which occurred between May 27 and May 30, 2023, was an external system breach (hacking) that compromised names and Social Security numbers. The company notified affected individuals on January 25, 2024, and offered 24 months of identity theft protection and credit monitoring services through Kroll.

Maine clockDiscovered Jan 24, 2024 → Filed with AG Feb 5, 202412d ✓ ME AG ≤30d12 days discovery → filing
⚠ AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

Incident timeline

undetected · 242 days
discovery → filing · 12 days

May 27, 2023

Begins

Jan 24, 2024

Discovered

Feb 5, 2024

Filed

This filing is one of 4 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (3) · sorted by filing gap

Filing propagation · 4 filings · 4 states

View merged incident ↗
Vermont State AGJan 25 · first
Indiana State AGJan 25 · first
Maine State AG+11d · this page
Massachusetts State AG+12d

Pattern: first filing Jan 25 (VT), last Feb 6 (MA) — a 12-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

Evidence ladder

Leak-site claim

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filingThis record

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

Unlocks: materiality, stated response, full audit trail. Ceiling removed.