HackingTechnologyInformationStolen CredentialsCustomer Data InvolvedIdentity (basic)MediumContained

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

bd_b9480fd520cb1561 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jun 12, 2024

Filed

Oct 8, 2024

To disclose

17 weeks

Affected

1,485state residents only

Linked

8 filings

Confidence

65%

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

MEMC, LLC reported unauthorized network access on June 12, 2024. The incident involved the potential removal of files containing personal information, including names. MEMC contained the network, eradicated the threat, and notified law enforcement. Affected individuals were offered Equifax Credit Watch Gold. The investigation determined on August 15, 2024 that an unauthorized individual(s) may have removed impacted files.

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South Carolina clock✓ SC CRA notice due17 weeks discovery → filing

⚠ occurrence dateThe stored discovery date equals the breach OCCURRENCE date. Detection is normally later, so this OVERSTATES the delay — a 'late' verdict here may not be real.

Incident timeline

discovery → filing · 17 weeks / 118 days

Jun 12, 2024

Begins

Jun 12, 2024

Discovered

Oct 8, 2024

Filed

vs. sector median

2 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_774ad20302b624932024-10-01 · +7dVerified
New Hampshire State AGbd_a983b45c2b7f794f2024-10-01 · +7dVerified
Maine State AGbd_02d73f4bc5d103532024-09-27 · +11dCandidate
Indiana State AGbd_2bcc610c49268ad72024-09-27 · +11dVerified

Show 3 more filings ↓up to 11d gap

Massachusetts State AGbd_7142befaf2f4d8dc2024-09-27 · +11dVerified
Vermont State AGbd_819edf3eed47d82f2024-09-27 · +11dVerified
Montana State AGbd_99850374dca5e0982024-09-27 · +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: 1,485state-resident count only
Data types: Identity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
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
Changes made: Providing access to Equifax Credit Watch Gold, a credit monitoring product at no cost
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 17 weeks(118 days from discovery to filing)
Compliance flags: SC CRA notice due
Discovery-date grounding: occurrence dateThe stored discovery date equals the breach OCCURRENCE date. Detection is normally later, so this OVERSTATES the delay — a 'late' verdict here may not be real.

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

Maine State AG+4d

New Hampshire State AG+4d

South Carolina State AG+11d · this page

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://consumer.sc.gov/sites/consumer/files/Documents/Security%20Breach%20Notices/MEMCLLC.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Oct 8, 2024
Raw hash: 3a13a85252ac0f7597b5ea423e5aca851207b4307d890c48eea73fadc3b1ad52

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

ComplianceSC CRA notice due

Extraction provenanceno artifact recorded

Source provenanceconsumer.sc.gov