HackingFinanceGovernment IDIdentity (basic)MediumContained

CHATHAM ASSET MANAGEMENT, LLC

bd_34afb66244d39c1c · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jun 14, 2021

Filed

Sep 15, 2021

To disclose

13 weeks

Affected

1state residents only

Linked

3 filings

Confidence

66%

Full breach record for CHATHAM ASSET MANAGEMENT, LLC →2 incidents on file

Chatham Asset Management notified the New Hampshire Attorney General of a security incident affecting one NH resident. Unauthorized access occurred between June 11-14, 2021, exposing names and Social Security numbers. Chatham discovered the breach on June 14, 2021, and sent notification on September 15, 2021, offering two years of Experian identity monitoring.

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Incident timeline

undetected · 3 days

discovery → filing · 13 weeks / 93 days

Jun 11, 2021

Begins

Jun 14, 2021

Discovered

Sep 15, 2021

Filed

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

Linked disclosures

Why this link?

Regulatory filings (2) · sorted by filing gap

Maine State AGbd_58aaf3e769f4eebf2021-09-15Candidate
Massachusetts State AGbd_ad0c975081973bee2021-09-15Verified

Name: CHATHAM ASSET MANAGEMENT, LLC
norm: chatham asset management
Domain: chathamasset.com

Name: CHATHAM ASSET MANAGEMENT, LLC
norm: chatham asset management
Domain: chathamasset.com

Discovered: Jun 14, 2021
Breach occurred: Jun 11, 2021 – Jun 14, 2021
Undetected for: 3 daysoccurrence → discovery
Materiality determined: —
Notification sent: Sep 15, 2021
Affected individuals: 1state-resident count only
Data types: Government IDIdentity (basic)
Data elements: Social Security number
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Initial access: valid_credentials

During the incident: Took steps to secure its systems and commenced an investigation
Providing written notice to the New Hampshire resident by mailing a letter via United States PostalService First-Class mail
Offering the affected individual a complimentary, two-year membership of identity monitoring services provided by Experian
Established a dedicated phone line where the individuals may obtain more information regarding the incident
Changes made: Implemented additional security measures to enhance the security of its network
Continues to provide cybersecurity training to its staff
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 13 weeks(93 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 3 filings · 3 states

View merged incident ↗

Maine State AGSep 15 · first

Massachusetts State AGSep 15 · first

New Hampshire State AGSep 15 · first · 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://mm.nh.gov/files/uploads/doj/remote-docs/chatham-asset-management-20210915.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Sep 15, 2021
Raw hash: 22117afe5c1522216f3bb0761762abd7e09c102f710bbd4f110651aa5eb11174

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityCHATHAM ASSET MANAGEMENT, LLC

Victim entityCHATHAM ASSET MANAGEMENT, LLC

Incidentdiscovered Jun 14, 2021

Stated responseTook steps to secure its systems and commenced an investigation

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov