HackingData ExfiltratedCustomer Data InvolvedIdentity (basic)LowContained

MMI Services

bd_d649b70b9d07c192 · schema v1 · pii pii-v1

Severity

Low

Discovered

May 21, 2024

Filed

Oct 23, 2024

To disclose

22 weeks

Affected

Not disclosed

Confidence

65%

Full breach record for MMI Services →

MMI Services, Inc. experienced unauthorized access to its network between May 20 and May 21, 2024. The company discovered the incident on May 21, 2024, following a network disruption. An investigation determined that limited personal information, including names and other variable data, may have been acquired by an unauthorized actor. The company engaged third-party specialists, secured its systems, and offered 12 months of credit monitoring through IDX to affected individuals.

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California clockDiscovered May 21, 2024 → Notified Oct 23, 2024155d ✗ CA 60-day late22 weeks discovery → filing

Incident timeline

undetected · 1 days

discovery → filing · 22 weeks / 155 days

May 20, 2024

Begins

May 21, 2024

Discovered

Oct 23, 2024

Filed

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

Name: MMI Services
norm: mmi services
Domain: mmi-services.com

Name: MMI Services
norm: mmi services
Domain: mmi-services.com

Discovered: May 21, 2024
Breach occurred: May 20, 2024 – May 21, 2024
Undetected for: 1 dayoccurrence → discovery
Materiality determined: —
Notification sent: Oct 23, 2024
Affected individuals: Not disclosed
Data types: Identity (basic)
Attack vector: Unknown
MITRE ATT&CK: T1041 Exfiltration Over C2 Channel
Threat actor: External

During the incident: Took immediate action to address and investigate the event
Engaged third-party specialists to assist with determining the nature and scope of the incident
Took steps to secure our systems and to enhance the security of our network
Arranged for you to enroll, at no cost to you, in an online credit monitoring service for 12 months through IDX
Changes made: Enhanced the security of our network
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 22 weeks(155 days from discovery to filing)
Compliance flags: CA 60-day late · 155d
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: May 21, 2024
→ Notified: Oct 23, 2024
155d 60 days (analyst band, pre-2026 discoveries) CA 60-day late

Statute	Window	Elapsed	Threshold	Status
California	Discovered: May 21, 2024 → Notified: Oct 23, 2024	155d	60 days (analyst band, pre-2026 discoveries)	CA 60-day late

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/sb24-593795
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Oct 23, 2024
Raw hash: 84cbdca22be6be0d3f0c003ad7da80fc6754a522b6c68e26fbfdb3835862692d

Reporting entityMMI Services

Victim entityMMI Services

Incidentdiscovered May 21, 2024

Stated responseTook immediate action to address and investigate the event

ComplianceCA 60-day late

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov