MalwareRansomwareData EncryptedCustomer Data InvolvedPIIIdentity (basic)LowContained

Armstrong Ceilings & Walls Solutions

bd_d87fc917ac3c196f · schema v1 · pii pii-v1

Severity

Low

Discovered

Mar 2, 2023

Filed

Apr 13, 2023

To disclose

6 weeks

Affected

1state residents only

Confidence

66%

Full breach record for Armstrong Ceilings & Walls Solutions →

The Armstrong Company notified the NH Attorney General of a ransomware incident occurring on March 2, 2023, affecting approximately one New Hampshire resident. The company detected unauthorized access on the date of the incident and contained the threat. Forensic investigation concluded on March 28, 2023, that personal information may have been accessed. The company is offering one year of complimentary credit monitoring via Experian IdentityWorks.

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Incident timeline

discovery → filing · 6 weeks / 42 days

Mar 2, 2023

Begins

Mar 2, 2023

Discovered

Apr 13, 2023

Filed

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed1 affectedView incident

Name: Armstrong Ceilings & Walls Solutions
norm: armstrong ceilings walls
Domain: armstrong.com

Name: Armstrong Ceilings & Walls Solutions
norm: armstrong ceilings walls
Domain: armstrong.com

Discovered: Mar 2, 2023
Breach occurred: Mar 2, 2023
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: Apr 7, 2023
Affected individuals: 1state-resident count only
Data types: PIIIdentity (basic)
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for Impact
Threat actor: External
Regulator citations: Notified the Office of the Attorney General, Consumer Protection Bureau

During the incident: Immediately took steps to contain the threat
Launched an investigation with the support of third-party experts
Offering the affected resident a complimentary one-year membership with a credit monitoring service
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 6 weeks(42 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

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://mm.nh.gov/files/uploads/doj/remote-docs/armstrong-company-20230413.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Apr 13, 2023
Raw hash: 8c1c29040f9ecf9cd0cc38edba3f3020c86dec28e32500312583ee5dbfe9c59f

Reporting entityArmstrong Ceilings & Walls Solutions

Victim entityArmstrong Ceilings & Walls Solutions

Incidentdiscovered Mar 2, 2023

Stated responseImmediately took steps to contain the threat

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov