City Of Columbus
bd_c3229be5e89157e6 · schema v1 · pii pii-v1
Full breach record for City Of Columbus →The City of Columbus, OH, reported a cybersecurity incident discovered on July 18, 2024, involving a foreign threat actor attempting to deploy ransomware and solicit payment. The actor gained unauthorized access to IT infrastructure, potentially exposing PII of residents, employees, and visitors. Data was posted on the dark web. 19 New Hampshire residents were identified as affected. The City engaged legal counsel, forensic experts, and law enforcement, and offered credit monitoring.
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Incident timeline
Jul 18, 2024
Discovered
Nov 1, 2024
Filed
vs. sector median
+4 wks slower
Linked disclosures
Why this link?Regulatory filings (1) · sorted by filing gap
- South Carolina State AGbd_83d2c65f69b841b52024-10-18 · +14dCandidate
Filing propagation · 2 filings · 2 states
View merged incident ↗Pattern: first filing Oct 18 (SC), last Nov 1 (NH) — a 14-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.