MalwareTechnologyInformationRansomwareVulnerability ExploitData EncryptedEmployee Data InvolvedIdentity (basic)Government IDHealth (basic)EmploymentMediumContained

Marquez Brothers Inc.

bd_83d3bf24bf727f00 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Sep 3, 2021

Filed

Jan 5, 2022

To disclose

18 weeks

Affected

Not disclosed

Confidence

66%

Full breach record for Marquez Brothers Inc. →

Marquez Brothers International, Inc. experienced a ransomware attack on September 1, 2021, discovered on September 3, 2021. An intruder exploited network vulnerabilities to gain access and encrypt systems. Employee personal information, including names, addresses, SSNs, and drug test results, was potentially compromised. The company engaged forensic experts, secured systems, and offered credit monitoring.

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Incident timeline

undetected · 2 days

discovery → filing · 18 weeks / 124 days

Sep 1, 2021

Begins

Sep 3, 2021

Discovered

Jan 5, 2022

Filed

vs. sector median

1 wks faster

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

Name: Marquez Brothers Inc.
norm: marquez brothers
Domain: marquezbrothers.com

Name: Marquez Brothers Inc.
norm: marquez brothers
Domain: marquezbrothers.com
Industry: Technologyllm

Discovered: Sep 3, 2021
Breach occurred: Sep 1, 2021
Undetected for: 2 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: Not disclosed
Data types: Identity (basic)Government IDHealth (basic)Employment
Data elements: Social Security numberDate of birth
Attack vector: Ransomware
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1486 Data Encrypted for Impact
Threat actor: ExternalFinancial
Initial access: exploit_public_facing

During the incident: Launched a thorough forensic investigation with the assistance of leading outside cybersecurity experts
Took steps to secure our systems
Terminated the attackers' access to our network
Upgraded our security controls company-wide
Implemented additional measures and enhanced security tools
Installed leading information security technologies that provide around-the-clock monitoring of our systems and network
Providing complimentary credit monitoring services with a one-year membership in Experian’s IdentityWorks
Changes made: Upgraded our security controls company-wide
Implemented additional measures and enhanced security tools to further protect information in our systems
Installed leading information security technologies that provide around-the-clock monitoring of our systems and network to detect threats and automatically block suspicious activity in real time
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 18 weeks(124 days from discovery to filing)
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://oag.ca.gov/ecrime/databreach/reports/sb24-549707
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jan 5, 2022
Raw hash: 448f4b993733894f85a54688da4654a7fa897acd93d5b36cbd8bc037f9a99093

Reporting entityMarquez Brothers Inc.

Victim entityMarquez Brothers Inc.

Incidentdiscovered Sep 3, 2021

Stated responseLaunched a thorough forensic investigation with the assistance of leading outside cybersecurity experts

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov