HackingGovernmentGovernmentSkimmerVulnerability ExploitData ExfiltratedCustomer Data InvolvedIdentity (basic)Financial accountFinancial credentialsLowContained

City of Oceanside

bd_5ce119809af5785c · schema v1 · pii pii-v1

Severity

Low

Discovered

Aug 14, 2017

Filed

Sep 6, 2017

To disclose

23 days

Affected

Not disclosed

Confidence

65%

The City of Oceanside experienced a cyberattack on its online utility bill payment system between June 1 and August 15, 2017. Malicious code infiltrated the vendor-supported system, exposing names, billing addresses, and credit card information (including security codes) of customers who paid bills online. The City discovered the breach on August 14, 2017, after a consumer notification. The affected system was shut down, and law enforcement and forensic experts were engaged.

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California clockDiscovered Aug 14, 2017 → Notified Sep 6, 201723d ✓ CA 60-day OK23 days discovery → filing

Incident timeline

undetected · 74 days

discovery → filing · 23 days

Jun 1, 2017

Begins

Aug 14, 2017

Discovered

Sep 6, 2017

Filed

vs. sector median

8 wks faster

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

Name: City of Oceanside
norm: city of oceanside
Domain: gptx.org

Name: City of Oceanside
norm: city of oceanside
Domain: gptx.org
Industry: Governmentllm

Discovered: Aug 14, 2017
Breach occurred: Jun 1, 2017 – Aug 15, 2017
Undetected for: 74 daysoccurrence → discovery
Materiality determined: —
Notification sent: Sep 6, 2017
Affected individuals: Not disclosed
Data types: Identity (basic)Financial accountFinancial credentials
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Regulator citations: Notified law enforcement agencies
Initial access: exploit_public_facing

During the incident: Shut down the online utility bill payment system at issue
Notified law enforcement agencies who are conducting an ongoing investigation
Brought in a cyber security expert to conduct a forensic analysis of the source and nature of the potential breach
Exploring alternative online payment solutions that offer improved security processes and systems
Changes made: Exploring alternative online payment solutions that offer improved security processes and systems
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 23 days(23 days from discovery to filing)
Compliance flags: CA 60-day OK · 23d
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: Aug 14, 2017
→ Notified: Sep 6, 2017
23d 60 days (analyst band, pre-2026 discoveries) CA 60-day OK

Statute	Window	Elapsed	Threshold	Status
California	Discovered: Aug 14, 2017 → Notified: Sep 6, 2017	23d	60 days (analyst band, pre-2026 discoveries)	CA 60-day OK

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/sb24-101661
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Sep 6, 2017
Raw hash: a4893fe3861a2ea7b17ba5ccdc7d5c1781de31ea846364df8982372729ea981a

Reporting entityCity of Oceanside

Victim entityCity of Oceanside

Incidentdiscovered Aug 14, 2017

Stated responseShut down the online utility bill payment system at issue

ComplianceCA 60-day OK

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov