MalwareProfessional ServicesProfessional ServicesRansomwareData ExfiltratedData EncryptedDelayed DiscoveryPIIIdentity (basic)LowContained

Clayco Corporation

bd_97dcb7179082a9e8 · schema v1 · pii pii-v1

Severity

Low

Discovered

—

Filed

Sep 30, 2021

To disclose

—

Affected

1state residents only

Confidence

64%

Full breach record for Clayco Corporation →

Arthur J. Gallagher & Co. notified South Carolina residents of a ransomware incident detected on September 26, 2020. The attack impacted internal systems between June 3 and September 26, 2020. Gallagher took systems offline, engaged forensic specialists, and reported to law enforcement. The breach affected individual data (PII). Affected individuals received 24 months of credit monitoring via Kroll. The incident status is contained.

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Incident timeline

Jun 3, 2020

Begins

Sep 30, 2021

Filed

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed1 affectedView incident

Name: ARTHUR J. GALLAGHER & CO.
norm: arthur j gallagher

Name: Clayco Corporation
norm: clayco
Industry: Professional Servicesllm

Discovered: —
Breach occurred: Jun 3, 2020 – Sep 26, 2020
Materiality determined: —
Notification sent: —
Affected individuals: 1state-resident count only
Data types: PIIIdentity (basic)
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for Impact
Threat actor: ExternalFinancial
Regulator citations: reported this incident to law enforcement and regulatory authorities

During the incident: Took all our systems offline as a precautionary measure
Initiated response protocols
Launched an investigation with the assistance of third-party cybersecurity and forensic specialists
Implemented our business continuity plans to minimize disruption to our customers
Ensured the ongoing security of our systems
Reported this incident to law enforcement and regulatory authorities
Providing you access, at no cost, to identity and credit monitoring services for twenty-four months through Kroll
Changes made: Reviewed existing security policies and implemented additional measures and enhanced security tools to further protect information in our systems
Implemented additional safeguards and are providing additional training to our employees on data privacy and security
Source: Quoted from the filing itself, not independently verified.

Compliance flags: — (clock not assessable for this source)

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://consumer.sc.gov/sites/consumer/files/Documents/Business%20Resources%20Laws/Related%20Laws/Breaches/2021/ClaycoCorp.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Sep 30, 2021
Raw hash: 75992e6121342735bb6cc1e7f255a4fa97fb63d6ae59f02450e60b33a55d4e60

Reporting entityARTHUR J. GALLAGHER & CO.

Victim entityClayco Corporation

IncidentRansomware

Stated responseTook all our systems offline as a precautionary measure

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenanceconsumer.sc.gov