HackingTransportationStolen CredentialsCustomer Data InvolvedEmployee Data InvolvedIdentity (basic)PIILowContained

STG Holdings, LLC

bd_068d5864bc2d8aef · schema v1 · pii pii-v1

Severity

Low

Discovered

May 13, 2020

Filed

May 27, 2021

To disclose

13 months

Affected

Not disclosed

Linked

3 filings

Confidence

64%

Full breach record for STG Holdings, LLC →2 incidents on file

STG Holdings, LLC notified the California Attorney General of unauthorized access to employee email accounts between May 3 and May 19, 2020. The company became aware of unusual activity on May 13, 2020. Personal information, including names and potentially other data, stored in impacted email accounts may have been accessed. STG engaged forensic specialists, reset passwords, and adjusted security policies. Affected individuals were offered credit monitoring and identity theft protection services.

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California clockDiscovered May 13, 2020 → Notified May 25, 2021377d ✗ CA 60-day late13 months discovery → filing

Incident timeline

undetected · 10 days

discovery → filing · 13 months / 379 days

May 3, 2020

Begins

May 13, 2020

Discovered

May 27, 2021

Filed

This filing is one of 3 filings about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (2) · sorted by filing gap

Massachusetts State AGbd_0b957611bf6fa3f72021-05-27Verified
Indiana State AGbd_384a29610bfa57f32021-05-25 · +2dVerified

Name: STG Holdings, LLC
norm: stg holdings

Name: STG Holdings, LLC
norm: stg holdings

Discovered: May 13, 2020
Breach occurred: May 3, 2020 – May 19, 2020
Undetected for: 10 daysoccurrence → discovery
Materiality determined: —
Notification sent: May 25, 2021
Affected individuals: Not disclosed
Data types: Identity (basic)PII
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1114 Email Collection
Threat actor: External

During the incident: Began an investigation with the assistance of third-party computer forensics specialists
Reset passwords
Identified the exceptions allowing access to the STG accounts
Adjusted security policies and procedures accordingly
Secured the services of IDX to provide credit and CyberScan monitoring, a $1,000,000 insurance reimbursement policy, and fully managed ID theft recovery services
Changes made: Adjusted security policies and procedures accordingly
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 13 months(379 days from discovery to filing)
Compliance flags: CA 60-day late · 377d
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 13, 2020
→ Notified: May 25, 2021
377d 60 days (analyst band, pre-2026 discoveries) CA 60-day late

Statute	Window	Elapsed	Threshold	Status
California	Discovered: May 13, 2020 → Notified: May 25, 2021	377d	60 days (analyst band, pre-2026 discoveries)	CA 60-day late

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 3 filings · 3 states

View merged incident ↗

Indiana State AGMay 25 · first

Massachusetts State AG+2d

California State AG+2d · 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://oag.ca.gov/ecrime/databreach/reports/sb24-541370
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: May 27, 2021
Raw hash: df05b00df7c6aefcb2a12a082385fca473413c26f0062842d191919110b7c0be

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entitySTG Holdings, LLC

Victim entitySTG Holdings, LLC

Incidentdiscovered May 13, 2020

Stated responseBegan an investigation with the assistance of third-party computer forensics specialists

ComplianceCA 60-day late

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov