HackingCustomer Data InvolvedIdentity (basic)Government IDMediumContained

William Warren Properties

bd_ffe40528c75cce93 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jan 26, 2023

Filed

Feb 27, 2023

To disclose

5 weeks

Affected

Not disclosed

Linked

5 filings

Confidence

65%

Full breach record for William Warren Properties →

William Warren Properties, Inc. notified California residents of a data breach where an unauthorized actor accessed server folders between January 24 and January 26, 2023. The company identified unusual activity on January 26, 2023. Affected data may include names, addresses, and Social Security numbers. The company engaged a cybersecurity firm, contained the incident, and is offering one year of credit monitoring.

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California clockDiscovered Jan 26, 2023 → Notified Jan 30, 20234d ✓ CA 60-day OK5 weeks discovery → filing

Incident timeline

undetected · 2 days

discovery → filing · 5 weeks / 32 days

Jan 24, 2023

Begins

Jan 26, 2023

Discovered

Feb 27, 2023

Filed

This filing is one of 5 filings about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (4) · sorted by filing gap

Indiana State AGbd_b1cd3ea112ba4e1f2023-02-27Verified
Massachusetts State AGbd_a8a8bd85010bdb172023-02-15 · +12dVerified
Maine State AGbd_f09fbd5a3a1f41a42023-02-15 · +12dCandidate
Montana State AGbd_f0a5c17660b924a12023-02-15 · +12dCandidate

Name: William Warren Properties
norm: william warren properties
Domain: williamwarren.com

Name: William Warren Properties
norm: william warren properties
Domain: williamwarren.com

Discovered: Jan 26, 2023
Breach occurred: Jan 24, 2023 – Jan 26, 2023
Undetected for: 2 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jan 30, 2023
Affected individuals: Not disclosed
Data types: Identity (basic)Government ID
Data elements: Social Security number
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External

During the incident: Implemented our incident response plan
Took steps to contain the activity
Launched an investigation
Engaged a cybersecurity firm
Implementing additional security measures to enhance our existing security protocols
Offering one year of access to Equifax Complete Premier credit monitoring and identity theft protection
Changes made: Implementing additional security measures to enhance our existing security protocols
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 5 weeks(32 days from discovery to filing)
Compliance flags: CA 60-day OK · 4d
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: Jan 26, 2023
→ Notified: Jan 30, 2023
4d 60 days (analyst band, pre-2026 discoveries) CA 60-day OK

Statute	Window	Elapsed	Threshold	Status
California	Discovered: Jan 26, 2023 → Notified: Jan 30, 2023	4d	60 days (analyst band, pre-2026 discoveries)	CA 60-day OK

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 5 filings · 5 states

View merged incident ↗

Massachusetts State AGFeb 15 · first

Maine State AGFeb 15 · first

Montana State AGFeb 15 · first

Indiana State AG+12d

California State AG+12d · this page

Pattern: first filing Feb 15 (MA), last Feb 27 (CA) — a 12-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

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/sb24-563665
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Feb 27, 2023
Raw hash: eed535c236f0159bd2c9368a8581bda315e037d563e2555e1c06f993c7581b66

Linked disclosures

Regulatory filings (4) · sorted by filing gap

Reporting entityWilliam Warren Properties

Victim entityWilliam Warren Properties

Incidentdiscovered Jan 26, 2023

Stated responseImplemented our incident response plan

ComplianceCA 60-day OK

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov