DisclosureLens
HackingGovernmentGovernmentCustomer Data InvolvedGovernment IDCritical

City of Philadelphia

bd_610571ffe4c5020b · schema v1 · pii pii-v1

Severity

Critical

Discovered

Jul 12, 2021

Filed

Aug 6, 2021

To disclose

25 days

Affected · nationwide

108,2144 in this filing

Confidence

50%
Full breach record for City of Philadelphia →9 incidents on file

The City of Philadelphia reported a data breach affecting 4 Maine residents. The breach, an external system hack, occurred on March 11, 2020, and was discovered on July 12, 2021. The compromised information included names and Social Security numbers. The city offered 12 months of credit monitoring and identity restoration services through Kroll to those affected.

Maine clockDiscovered Jul 12, 2021 → Filed with AG Aug 6, 202125d ✓ ME AG ≤30d25 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 · 488 days
discovery → filing · 25 days

Mar 11, 2020

Begins

Jul 12, 2021

Discovered

Aug 6, 2021

Filed

vs. sector median

7 wks faster

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed108,214 affectedView incident

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.