HackingProfessional ServicesProfessional ServicesData ExfiltratedCustomer Data InvolvedIdentity (basic)Government IDHealth (basic)MediumContained

Rex Signature Services, LLC

bd_c7d9c7bf466cb113 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Apr 18, 2024

Filed

Nov 12, 2024

To disclose

30 weeks

Affected

Not disclosed

Linked

3 filings

Confidence

65%

Full breach record for Rex Signature Services, LLC →

Rex Signature Services, LLC disclosed a data breach where an unknown actor gained access to systems between April 9 and April 18, 2024. The incident involved the potential acquisition of names, Social Security numbers, driver's license numbers, and limited medical information. The company secured systems, reported to law enforcement, and is offering 24 months of credit monitoring. This is a supplemental notice.

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California clockDiscovered Apr 18, 2024 → Notified Nov 11, 2024207d ✗ CA 60-day late30 weeks discovery → filing

Incident timeline

undetected · 9 days

discovery → filing · 30 weeks / 208 days

Apr 9, 2024

Begins

Apr 18, 2024

Discovered

Nov 12, 2024

Filed

vs. sector median

+12 wks slower

This filing is one of 3 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (2) · sorted by filing gap

California State AGbd_83f7e8638426c0af2024-05-24 · +172dVerified
Montana State AGbd_c5f3a90f3d67dd752024-05-24 · +172dCandidate

Name: Rex Signature Services, LLC
norm: rex signature

Name: Rex Signature Services, LLC
norm: rex signature
Industry: Professional Servicesllm

Discovered: Apr 18, 2024
Breach occurred: Apr 9, 2024 – Apr 18, 2024
Undetected for: 9 daysoccurrence → discovery
Materiality determined: —
Notification sent: Nov 11, 2024
Affected individuals: Not disclosed
Data types: Identity (basic)Government IDHealth (basic)
Data elements: Social Security number
Attack vector: Unknown
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Regulator citations: Reported the event to federal law enforcementNotifying state regulators as required

During the incident: Took steps to secure our systems
Launched an investigation to determine the full nature and scope of the event
Reported the event to federal law enforcement
Notifying state regulators as required
Offering access to twenty-four (24) months of complimentary credit monitoring and identity restoration services through Experian
Changes made: Implemented and continue to implement technical security measures to strengthen the security of our systems
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 30 weeks(208 days from discovery to filing)
Compliance flags: CA 60-day late · 207d
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: Apr 18, 2024
→ Notified: Nov 11, 2024
207d 60 days (analyst band, pre-2026 discoveries) CA 60-day late

Statute	Window	Elapsed	Threshold	Status
California	Discovered: Apr 18, 2024 → Notified: Nov 11, 2024	207d	60 days (analyst band, pre-2026 discoveries)	CA 60-day late

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 3 filings · 2 states

View merged incident ↗

California State AGMay 24 · first

Montana State AGMay 24 · first

California State AG+172d · this page

Pattern: first filing May 24 (CA), last Nov 12 (CA) — a 172-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/sb24-594742
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Nov 12, 2024
Raw hash: 81f68714f4ba821e8fe42000b359e7a0edda82d221d102e4c2b8670504a99160

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityRex Signature Services, LLC

Victim entityRex Signature Services, LLC

Incidentdiscovered Apr 18, 2024

Stated responseTook steps to secure our systems

ComplianceCA 60-day late

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov