HackingTechnologyInformationStolen CredentialsData ExfiltratedCustomer Data InvolvedIdentity (basic)LowContained

MEMC LLC *Amended Filing to the 9/27 Initial Filing

bd_99850374dca5e098 · schema v1 · pii pii-v1

Severity

Low

Discovered

Jun 12, 2024

Filed

Sep 27, 2024

To disclose

15 weeks

Affected

2state residents only

Linked

8 filings

Confidence

66%

Full breach record for MEMC LLC *Amended Filing to the 9/27 Initial Filing →

MEMC LLC experienced unauthorized network access on June 12, 2024. The incident involved the removal of files containing personal information (names). MEMC contained the network, engaged forensic investigators, and alerted law enforcement. Affected individuals are offered Equifax Credit Watch Gold. The filing is a consumer notification letter filed in Montana.

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Incident timeline

discovery → filing · 15 weeks / 107 days

Jun 12, 2024

Begins

Jun 12, 2024

Discovered

Sep 27, 2024

Filed

vs. sector median

3 wks faster

This filing is one of 8 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (7) · sorted by filing gap

Maine State AGbd_02d73f4bc5d103532024-09-27Candidate
Indiana State AGbd_2bcc610c49268ad72024-09-27Verified
Massachusetts State AGbd_7142befaf2f4d8dc2024-09-27Verified
Vermont State AGbd_819edf3eed47d82f2024-09-27Verified

Show 3 more filings ↓up to 11d gap

Maine State AGbd_774ad20302b624932024-10-01 · +4dVerified
New Hampshire State AGbd_a983b45c2b7f794f2024-10-01 · +4dVerified
South Carolina State AGbd_b9480fd520cb15612024-10-08 · +11dVerified

Name: MEMC LLC *Amended Filing to the 9/27 Initial Filing
norm: memc llc amended filing to the 9 27 initial filing

Name: MEMC LLC *Amended Filing to the 9/27 Initial Filing
norm: memc llc amended filing to the 9 27 initial filing
Industry: Technologyllm

Discovered: Jun 12, 2024
Breach occurred: Jun 12, 2024
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: 2state-resident count only
Data types: Identity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Regulator citations: alerted law enforcement
Initial access: valid_credentials

During the incident: Commenced a prompt and thorough investigation
Contained and secured the network
Eradicated the threat
Alerted law enforcement
Working very closely with external cybersecurity professionals
Providing you with access to Equifax Credit Watch Gold
Changes made: Continually evaluates and modifies our practices to enhance the security and privacy of your information
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 15 weeks(107 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 8 filings · 7 states

View merged incident ↗

Maine State AGSep 27 · first

Indiana State AGSep 27 · first

Massachusetts State AGSep 27 · first

Vermont State AGSep 27 · first

Montana State AGSep 27 · first · this page

Maine State AG+4d

New Hampshire State AG+4d

South Carolina State AG+11d

Pattern: first filing Sep 27 (ME), last Oct 8 (SC) — a 11-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

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/OCP/Consumer-notification-letter-1719.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Sep 27, 2024
Raw hash: 6d538060404dd60f945b9457e611c59e49de0ee2ca1abaebaab43bc75e4c0bfb

Linked disclosures

Regulatory filings (7) · sorted by filing gap

Reporting entityMEMC LLC *Amended Filing to the 9/27 Initial Filing

Victim entityMEMC LLC *Amended Filing to the 9/27 Initial Filing

Incidentdiscovered Jun 12, 2024

Stated responseCommenced a prompt and thorough investigation

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov