MalwareGovernmentGovernmentRansomwareData ExfiltratedRansom DemandedCustomer Data InvolvedGovernment IDFinancial accountHealth (basic)PIILocationMediumContained

Azusa police department

bd_90c150f81964f2a6 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Mar 9, 2021

Filed

Jun 2, 2021

To disclose

12 weeks

Affected

Not disclosed

Linked

2 filings

Confidence

65%

Full breach record for Azusa police department →

On March 9, 2021, the City of Azusa Police Department discovered a ransomware attack that rendered certain computer systems inaccessible. The investigation determined that an unauthorized individual accessed and acquired certain information, including Social Security numbers, driver's license numbers, financial account information, and medical information. The Department did not pay the ransom. Affected individuals were offered credit monitoring services.

J jump to incidentP pin to compareR raw source

California clockDiscovered Mar 9, 2021 → Notified May 28, 202180d ✗ CA 60-day late12 weeks discovery → filing

Incident timeline

discovery → filing · 12 weeks / 85 days

Mar 9, 2021

Begins

Mar 9, 2021

Discovered

Jun 2, 2021

Filed

vs. sector median

+1 wks slower

This filing is one of 2 about the same incident.View merged incident

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Sitedoppelpaymerbd_44efe383e00702892021-03-01 · +93dVerified

Name: Azusa police department
norm: azusa police department

Name: Azusa police department
norm: azusa police department
Industry: Governmentllm

Discovered: Mar 9, 2021
Breach occurred: Mar 9, 2021
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: May 28, 2021
Affected individuals: Not disclosed
Data types: Government IDFinancial accountHealth (basic)PIILocation
Data elements: Social Security numberMedical information
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial

During the incident: Contacted law enforcement partners
Worked with third-party specialists to determine the source of the incident and extent of systems affected
Refused to cooperate with the cybercriminal and did not pay any ransom
Established a dedicated assistance line to address questions individuals may have
Provided credit monitoring services to potentially impacted individuals
Changes made: Review its network security policies
Take additional steps to further enhance its security
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 12 weeks(85 days from discovery to filing)
Compliance flags: CA 60-day late · 80dLeak >90d
Discovery-date grounding: letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.
Clock breakdown: Statute Window Elapsed Threshold Status
California
Discovered: Mar 9, 2021
→ Notified: May 28, 2021
80d 60 days (analyst band, pre-2026 discoveries) CA 60-day late

Statute	Window	Elapsed	Threshold	Status
California	Discovered: Mar 9, 2021 → Notified: May 28, 2021	80d	60 days (analyst band, pre-2026 discoveries)	CA 60-day late

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/sb24-541528
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jun 2, 2021
Raw hash: fa1fac71c05013bf9a5bdf8b98a8403a8fa9fd2a4e3e5ce6599328ef510aa697

Linked disclosures

Ransomware claims (1)

Reporting entityAzusa police department

Victim entityAzusa police department

Incidentdiscovered Mar 9, 2021

Stated responseContacted law enforcement partners

ComplianceCA 60-day late

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov