MalwareProfessional ServicesProfessional ServicesRansomwareData ExfiltratedData EncryptedCustomer Data InvolvedFinancial accountIdentity (basic)Government IDPHIHealth (basic)HighContained

Cardinal Services

bd_aa2abd061d19d40b · schema v1 · pii pii-v1

Severity

High

Discovered

Jun 30, 2025

Filed

May 20, 2026

To disclose

46 weeks

Affected

2,066state residents only

Linked

13 records

Confidence

70%

Full breach record for Cardinal Services →

Cardinal Services, Inc. experienced a ransomware cyberattack in Washington state. The breach occurred between June 30, 2025, and August 8, 2025, and was discovered on June 30, 2025. Approximately 2,066 individuals were affected, with data including names, SSNs, and financial account numbers exposed. The company offered 12 months of credit monitoring to victims.

J jump to incidentP pin to compareR raw source

Washington clock✗ WA AG >90d46 weeks discovery → filing

⚠ occurrence dateThe stored discovery date equals the breach OCCURRENCE date. Detection is normally later, so this OVERSTATES the delay — a 'late' verdict here may not be real.

Incident timeline

discovery → filing · 46 weeks / 324 days

Jun 30, 2025

Begins

Jun 30, 2025

Discovered

May 20, 2026

Filed

vs. sector median

+27 wks slower

This filing is one of 13 records about the same incident.View merged incident

A leak claim by rhysida about this victim was first seen 309 days before this filing.View originating leak claim

Linked disclosures

Why this link?

Regulatory filings (10) · sorted by filing gap

Maine State AGbd_00d73c1588b546a92026-05-20Verified by operator
Vermont State AGbd_10fd00d93b5c10492026-05-20Verified
California State AGbd_6193fc40e2330bf52026-05-20Verified by operator
Massachusetts State AGbd_b0de62b8dcc4f4e12026-05-20Verified by operator

Show 6 more filings ↓up to 7d gap

Indiana State AGbd_b8b3a9190c8646192026-05-20Verified
Montana State AGbd_cb7cdf284827fc902026-05-20Verified by operator
Nebraska State AGbd_d631d3ca160719f92026-05-20Verified by operator
Texas State AGbd_c3ccb041077247c72026-05-22 · +2dVerified by operator
New Hampshire State AGbd_3fa3a4994a4ee2282026-05-26 · +6dVerified by operator
Oregon State AGbd_758bd2f1d1e91ee42026-05-27 · +7dVerified by operator

Showing first 10 of 12 linked disclosures.

Name: Cardinal Services
norm: cardinal services
Domain: cardinal-services.com
Industry: Professional Services

Name: Cardinal Services
norm: cardinal services
Domain: cardinal-services.com
Industry: Professional Services
Industry: Professional Servicesllm

Discovered: Jun 30, 2025
Breach occurred: Jun 30, 2025 – Aug 8, 2025
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: May 20, 2026
Affected individuals: 2,066state-resident count only
Data types: Identity (basic)Government IDFinancial account
Data elements: NameSocial Security numberDriver's licence numberFinancial account numberDate of birthPassport numberMedical information
WA-stated cause: Cyberattack
WA-stated duration: lifecycle 1-99dexposure 1-99d
WA-stated discovery: Found while ongoing
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Regulator citations: Filed breach notification with Washington Attorney General

During the incident: Offering 12 months of complimentary credit monitoring through Epiq – Privacy Solutions ID 1B Credit Monitoring - Basic
Provided toll-free response line for affected individuals
Changes made: Taken many precautions to safeguard personal information
Continually evaluate and modify practices and internal controls to enhance security and privacy
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 46 weeks(324 days from discovery to filing)
Compliance flags: WA AG >90dLeak >180d
Discovery-date grounding: occurrence dateThe stored discovery date equals the breach OCCURRENCE date. Detection is normally later, so this OVERSTATES the delay — a 'late' verdict here may not be real.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 11 filings · 11 states

View merged incident ↗

Maine State AGMay 20 · first

Vermont State AGMay 20 · first

California State AGMay 20 · first

Massachusetts State AGMay 20 · first

Indiana State AGMay 20 · first

Montana State AGMay 20 · first

Nebraska State AGMay 20 · first

Washington State AGMay 20 · first · this page

Texas State AG+2d

New Hampshire State AG+6d

Oregon State AG+7d

Pattern: first filing May 20 (ME), last May 27 (OR) — a 7-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

Cascade drawn from the first 10 linked disclosures of 12 — the full spread may be wider.

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://agportal-s3bucket.s3.amazonaws.com/databreach/BreachA40945.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: May 20, 2026
Raw hash: 6703fbca8abc108a2d4ee6e7453cbfd99203c71cb537dbfd4ca4738a6a5d3ca1

Linked disclosures

Regulatory filings (10) · sorted by filing gap

Reporting entityCardinal Services

Victim entityCardinal Services

Incidentdiscovered Jun 30, 2025

Stated responseOffering 12 months of complimentary credit monitoring through Epiq – Privacy Solutions ID 1B Credit Monitoring - Basic

ComplianceWA AG >90d

Extraction provenanceno artifact recorded

Source provenanceagportal-s3bucket.s3.amazonaws.com