HackingProfessional ServicesProfessional ServicesStolen CredentialsCustomer Data InvolvedTargetedIdentity (basic)Government IDMediumContained

Jackson O'Keefe, LLP

bd_fe05133edd816e57 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Sep 2, 2022

Filed

Mar 6, 2023

To disclose

26 weeks

Affected

2state residents only

Linked

4 filings

Confidence

66%

Full breach record for Jackson O'Keefe, LLP →

Jackson O'Keefe, LLP notified the NH AG of unauthorized access to an employee email account between Aug 9 and Sep 2, 2022. Discovered Sep 2, 2022. Two NH residents affected; data included names and SSNs. Response included forensic investigation, password resets, and 24-month credit monitoring.

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Incident timeline

undetected · 24 days

discovery → filing · 26 weeks / 185 days

Aug 9, 2022

Begins

Sep 2, 2022

Discovered

Mar 6, 2023

Filed

vs. sector median

+8 wks slower

This filing is one of 4 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (3) · sorted by filing gap

Vermont State AGbd_4874b97baacddf9b2023-02-28 · +6dCandidate
Maine State AGbd_58318fc4d5806d642023-02-28 · +6dVerified
Massachusetts State AGbd_d25a8223260fe8172023-02-28 · +6dVerified

Name: Mullen Coughlin LLC
norm: mullen coughlin

Name: Jackson O'Keefe, LLP
norm: jackson o keefe
Industry: Professional Servicesllm

Discovered: Sep 2, 2022
Breach occurred: Aug 9, 2022 – Sep 2, 2022
Undetected for: 24 daysoccurrence → discovery
Materiality determined: —
Notification sent: Feb 28, 2023
Affected individuals: 2state-resident count only
Data types: Identity (basic)Government ID
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1114 Email Collection
Threat actor: External
Regulator citations: Notified Office of the New Hampshire Attorney General
Initial access: valid_credentials

During the incident: Took steps to secure the account
Launched an investigation with the assistance of third-party forensic investigators
Change the impacted email account password
Took steps to secure all employee email accounts
Identify potentially affected individuals
Reset the impacted email account password
Notified regulatory authorities
Changes made: Working to implement additional safeguards and training to its employees
Providing complimentary access to credit monitoring services for twenty-four (24) months
Reviewing and strengthening our existing policies, procedures, and safeguards related to cyber security
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 26 weeks(185 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 4 filings · 4 states

View merged incident ↗

Vermont State AGFeb 28 · first

Maine State AGFeb 28 · first

Massachusetts State AGFeb 28 · first

New Hampshire State AG+6d · this page

Pattern: first filing Feb 28 (VT), last Mar 6 (NH) — a 6-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://mm.nh.gov/files/uploads/doj/remote-docs/jackson-okeefe-20230306.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 6, 2023
Raw hash: e580ada94041ab2236f500a36c60e8f5e49a611b0b017aae6f7c542b3159d77f

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityMullen Coughlin LLC

Victim entityJackson O'Keefe, LLP

Incidentdiscovered Sep 2, 2022

Stated responseTook steps to secure the account

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov