HackingProfessional ServicesProfessional ServicesStolen CredentialsCustomer Data InvolvedIdentity (basic)Government IDFinancial accountMediumContained

Hemenway & Barnes LLP and Hemenway Trust Company (Hemenway)

bd_24a879fb893d9149 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Sep 1, 2018

Filed

Nov 5, 2018

To disclose

9 weeks

Affected

78state residents only

Linked

3 filings

Confidence

67%

Full breach record for Hemenway & Barnes LLP and Hemenway Trust Company (Hemenway) →

Hemenway & Barnes LLP and Hemenway Trust Company notified the NH AG of a security incident discovered on Sept 1, 2018, where unauthorized access to employee email accounts exposed personal info (names, SSNs, checking account numbers) of 78 NH residents. Notification letters were mailed on Nov 2, 2018, offering one year of credit monitoring.

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Incident timeline

discovery → filing · 9 weeks / 65 days

Sep 1, 2018

Discovered

Nov 5, 2018

Filed

vs. sector median

9 wks faster

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

Montana State AGbd_f32539cd66ef4db72018-11-02 · +3dCandidate
Massachusetts State AGbd_f494ba1e14b02aa52018-11-02 · +3dVerified

Name: BAKER & HOSTETLER LLP
norm: baker hostetler

Name: Hemenway & Barnes LLP and Hemenway Trust Company (Hemenway)
norm: hemenway barnes llp and hemenway trust company hemenway
Industry: Professional Servicesllm

Discovered: Sep 1, 2018
Materiality determined: —
Notification sent: Nov 2, 2018
Affected individuals: 78state-resident count only
Data types: Identity (basic)Government IDFinancial account
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: Secured the email accounts
Began an investigation
Engaged a leading forensic firm
Conducted a thorough review of the email accounts
Mailing a notification letter by U.S. Mail to the potentially affected New Hampshire residents
Offered one year of free credit monitoring services to potentially affected individuals
Changes made: Continues to enhance its cybersecurity defenses and procedures to detect improper access to its systems
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 9 weeks(65 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 ↗

Montana State AGNov 2 · first

Massachusetts State AGNov 2 · first

New Hampshire State AG+3d · 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/hemenway-barnes-20181105.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Nov 5, 2018
Raw hash: cd3de324fe3e505f69d0fca95cac6d4a044a808ed21f5628ad257bf41e7e3d8e

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityBAKER & HOSTETLER LLP

Victim entityHemenway & Barnes LLP and Hemenway Trust Company (Hemenway)

Incidentdiscovered Sep 1, 2018

Stated responseSecured the email accounts

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov