City of Philadelphia
bd_fd232d7509ce9f11 · schema v1 · pii pii-v1
Full breach record for City of Philadelphia →9 incidents on fileThe City of Philadelphia reported a data breach affecting 49,255 individuals. The incident, which occurred on March 11, 2020, and was discovered on May 18, 2021, was described as an external system breach (hacking). The compromised information included names and Social Security Numbers. Affected individuals were notified on June 11, 2021, and offered 12 months of credit monitoring and identity restoration services from Kroll.
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Incident timeline
Mar 11, 2020
Begins
May 18, 2021
Discovered
Jun 11, 2021
Filed
vs. sector median
7 wks faster
Linked disclosures
Why this link?Regulatory filings (1) · sorted by filing gap
- Montana State AGbd_9f21e8297af5cec72021-04-14 · +58dCandidate
Filing propagation · 2 filings · 2 states
View merged incident ↗Pattern: first filing Apr 14 (MT), last Jun 11 (ME) — a 58-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?
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.