HackingFinancial ServicesTechnologyFinanceCustomer Data InvolvedIdentity (basic)LowContained

CrossCheck, Inc.

bd_8403863b44be3ba0 · schema v1 · pii pii-v1

Severity

Low

Discovered

May 20, 2024

Filed

Mar 4, 2025

To disclose

41 weeks

Affected

9state residents only

Linked

5 filings

Confidence

65%

Full breach record for CrossCheck, Inc. →2 incidents on file

CrossCheck, Inc. notified AutoNation, Inc. customers that an unauthorized actor accessed CrossCheck's merchant portal between May 18-20, 2024. The incident was discovered on May 20, 2024. Names were accessed. CrossCheck reported to law enforcement and offered credit monitoring.

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Incident timeline

undetected · 2 days

discovery → filing · 41 weeks / 288 days

May 18, 2024

Begins

May 20, 2024

Discovered

Mar 4, 2025

Filed

vs. sector median

+33 wks slower

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

Linked disclosures

Why this link?

Regulatory filings (4) · sorted by filing gap

Massachusetts State AGbd_00b8f241679d087f2025-03-04Verified
Vermont State AGbd_36572c993024a8952025-03-04Verified
Vermont State AGbd_eb17d64cf01f26722025-03-04Verified
Indiana State AGbd_eb70bd43a1a1c7992025-03-04Verified

Name: CrossCheck, Inc.
norm: crosscheck

Name: CrossCheck, Inc.
norm: crosscheck
Industry: Financial ServicesllmTechnologyllm

Discovered: May 20, 2024
Breach occurred: May 18, 2024 – May 20, 2024
Undetected for: 2 daysoccurrence → discovery
Materiality determined: —
Notification sent: Mar 4, 2025
Affected individuals: 9state-resident count only
Data types: Identity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing Application
Threat actor: External
Regulator citations: reported this event to federal law enforcement
Initial access: exploit_public_facing

During the incident: Launched an investigation into the nature and scope of the activity
Undertook a comprehensive review of the accessible data
Undertook a further review of its internal files
Worked with AutoNation to identify necessary address information
Reported this event to federal law enforcement
Notifying individuals and regulators
Offering notified individuals access to complimentary credit monitoring
Changes made: Reviewing and enhancing our existing policies and procedures related to network security
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 41 weeks(288 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 5 filings · 4 states

View merged incident ↗

Massachusetts State AGMar 4 · first

Vermont State AGMar 4 · first

Indiana State AGMar 4 · first

Montana State AGMar 4 · first · this page

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://dojmt.gov/wp-content/uploads/2025/03/Consumer-notification-letter-107.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 4, 2025
Raw hash: 3e739a253fcefd0a92c3bdb0c2d00372afe10479ba9e06312dd6c2f72658cbf1

Linked disclosures

Regulatory filings (4) · sorted by filing gap

Reporting entityCrossCheck, Inc.

Victim entityCrossCheck, Inc.

Incidentdiscovered May 20, 2024

Stated responseLaunched an investigation into the nature and scope of the activity

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov