MalwareGovernmentGovernmentRansomwareData EncryptedData ExfiltratedCustomer Data InvolvedIdentity (basic)LowContained

City of Oakland

bd_5972859bc7e49334 · schema v1 · pii pii-v1

Severity

Low

Discovered

Feb 8, 2023

Filed

Sep 4, 2023

To disclose

30 weeks

Affected

Not disclosed

Confidence

66%

Full breach record for City of Oakland →3 incidents on file

On February 8, 2023, the City of Oakland experienced a ransomware incident involving malware that encrypted systems. An unauthorized actor accessed files between February 6 and February 9, 2023. The City engaged third-party experts, alerted law enforcement, and secured its network. Personal information, including names, was potentially compromised. The City is offering identity protection services.

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Incident timeline

undetected · 2 days

discovery → filing · 30 weeks / 208 days

Feb 6, 2023

Begins

Feb 8, 2023

Discovered

Sep 4, 2023

Filed

vs. sector median

+19 wks slower

Tracked as a single-filing incident — the only disclosure on record for this event so far.ConfirmedView incident

Name: City of Oakland
norm: city of oakland

Name: City of Oakland
norm: city of oakland
Industry: Governmentllm

Discovered: Feb 8, 2023
Breach occurred: Feb 6, 2023 – Feb 9, 2023
Undetected for: 2 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: Not disclosed
Data types: Identity (basic)
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1041 Exfiltration Over C2 Channel
Threat actor: External
Regulator citations: Alerted law enforcement

During the incident: Took steps to secure our network
Alerted law enforcement
Launched an investigation
Engaged third-party cybersecurity experts to assist in the investigation
Implemented additional measures to enhance our existing cybersecurity protocols
Offering a complimentary membership to Experian’s IdentityWorks
Changes made: Implemented additional measures to enhance our existing cybersecurity protocols
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 30 weeks(208 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

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.

Source URL: https://oag.ca.gov/ecrime/databreach/reports/sb24-572825
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Sep 4, 2023
Raw hash: 5964e9a0958b0fe5e93b629c7f365e46b1b1f7e38383da35ed982777ef98cb1f

Reporting entityCity of Oakland

Victim entityCity of Oakland

Incidentdiscovered Feb 8, 2023

Stated responseTook steps to secure our network

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov