FEDERALItem 8.01 · voluntaryHackingDelayed DiscoveryLowContained
Simpson Manufacturing Co., Inc.
bd_e8ff3ca1cfeba6ad · schema v1 · pii pii-v1
Full breach record for Simpson Manufacturing Co., Inc. →Simpson Manufacturing Co., Inc. disclosed a cybersecurity incident on October 10, 2023, involving unauthorized access to its IT infrastructure. The company took systems offline, engaged third-party experts, and notified law enforcement. The incident caused business disruptions for approximately three days. The investigation remains ongoing.
SEC clockMateriality determined Oct 19, 2023 → Filed Oct 19, 20230d ✓ SEC 4-day OK9 days 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.
Tracked as a single-filing incident — the only disclosure on record for this event so far.ConfirmedView incident
Source provenance
- Source URL
- https://www.sec.gov/Archives/edgar/data/920371/000092037123000173/
DisclosureLens renders the full SEC/HHS filing inline below from the originating regulator’s public record (§4.5 fair report privilege).
- Filed at
- Oct 19, 2023
- Raw hash
- 7003e681021018c086f10e0ee1df7176a6a7e3db88bc9662c5f9e5cb3c9cd7d8
Source filing
AI-assisted summary above. The structured extract on this page was generated from the document below. Inspect the source to verify or correct any field.
Reporting entity
- Name
- Simpson Manufacturing Co., Inc.norm: simpson manufacturing
- SEC CIK
- 0000920371
Victim entity
- Name
- Simpson Manufacturing Co., Inc.norm: simpson manufacturing
- SEC CIK
- 0000920371
Incident
- Discovered
- Oct 10, 2023
- Materiality determined
- Oct 19, 2023
- Notification sent
- Oct 19, 2023
- Affected individuals
- Not disclosed
- Data types
- —
- Attack vector
- Unauthorized Access
- MITRE ATT&CK
- T1190 Exploit Public-Facing Application
- Threat actor
- External
- Regulator citations
- notified relevant law enforcement
- Initial access
- exploit_public_facing
Compliance
- Time to disclose
- 9 days(9 days from discovery to filing)
- Compliance flags
- SEC 4-day OK · 0d
- 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.
- Clock breakdown
Statute Window Elapsed Threshold Status SEC Materiality determined: Oct 19, 2023→ Filed: Oct 19, 20230d cal. 4 business days SEC 4-day OK
Extraction provenance
- Status
- No extraction artifact recorded for this disclosure.