HackingProfessional ServicesProfessional ServicesStolen CredentialsData ExfiltratedCustomer Data InvolvedTargetedIdentity (basic)Government IDFinancial accountMediumContained

Fried, Frank, Harris, Shriver & Jacobson LLP

bd_d5f9995585ec309f · schema v1 · pii pii-v1

Severity

Medium

Discovered

Oct 27, 2025

Filed

Mar 9, 2026

To disclose

19 weeks

Affected

185state residents only

Linked

18 filings

Confidence

66%

Full breach record for Fried, Frank, Harris, Shriver & Jacobson LLP →

Fried, Frank, Harris, Shriver & Jacobson LLP experienced a cybersecurity incident where an unauthorized third party compromised a single user account and copied files from a shared network drive. The breach affected approximately 185 New Hampshire residents, exposing names, SSNs, financial account info, and government IDs. The firm contained the incident, engaged forensic experts, notified law enforcement, and offered two years of credit monitoring. This is a supplemental notice filed with the NH Attorney General.

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Incident timeline

undetected · 4 days

discovery → filing · 19 weeks / 133 days

Oct 23, 2025

Begins

Oct 27, 2025

Discovered

Mar 9, 2026

Filed

vs. sector median

+1 wks slower

This filing is one of 18 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (10) · sorted by filing gap

Texas State AGbd_4dd5907ab69cf7bb2026-03-09Verified
Maine State AGbd_17a53c023f0ba1042026-03-06 · +3dVerified by operator
Iowa State AGbd_18585ca3a5ebbd9d2026-03-06 · +3dVerified
Vermont State AGbd_786831cef9a1e06f2026-03-06 · +3dVerified by operator

Show 6 more filings ↓up to 38d gap

South Carolina State AGbd_8c894c19fa1ea2172026-03-06 · +3dVerified by operator
Nebraska State AGbd_9e9803da8e426e692026-03-06 · +3dVerified
California State AGbd_edf5f0e9968a791e2026-03-06 · +3dVerified by operator
New Hampshire State AGbd_fd75b1199ae901282026-02-02 · +35dVerified
Massachusetts State AGbd_0e7ab2684f9adbb92026-01-31 · +37dVerified
California State AGbd_1b53770f75bb04932026-01-30 · +38dVerified by operator

Showing first 10 of 17 linked disclosures.

Name: Debevoise & Plimpton LLP
norm: debevoise plimpton

Name: Fried, Frank, Harris, Shriver & Jacobson LLP
norm: fried frank harris shriver jacobson
Domain: friedfrank.com
Industry: professional_services
Industry: Professional Servicesllm

Discovered: Oct 27, 2025
Breach occurred: Oct 23, 2025 – Oct 28, 2025
Undetected for: 4 daysoccurrence → discovery
Materiality determined: —
Notification sent: Mar 5, 2026
Affected individuals: 185state-resident count only
Data types: Identity (basic)Government IDFinancial account
Data elements: Social Security numberDate of birth
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Regulator citations: Provided supplemental notice to New Hampshire Consumer Protection Bureau pursuant to N.H. Rev. Stat. Ann. § 359-C:20
Initial access: valid_credentials

During the incident: Engaged outside data security experts to confirm that it had eliminated the unauthorized access and secured its environment
Notified law enforcement
Served and continues to serve clients without disruption
Established a call center to respond to individuals' questions
Offered individuals whose personal information may have been affected two years of complimentary identity theft and credit monitoring services through Equifax
Changes made: Implemented a range of additional security controls, system monitoring, and detection capabilities as a precaution against any similar intrusion
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 19 weeks(133 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 11 filings · 9 states

View merged incident ↗

California State AGJan 30 · first

Massachusetts State AG+1d

New Hampshire State AG+3d

Maine State AG+35d

Iowa State AG+35d

Vermont State AG+35d

South Carolina State AG+35d

Nebraska State AG+35d

California State AG+35d

Texas State AG+38d

New Hampshire State AG+38d · this page

Pattern: first filing Jan 30 (CA), last Mar 9 (NH) — a 38-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

Cascade drawn from the first 10 linked disclosures of 17 — the full spread may be wider.

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/fried-frank-harris-shriver-jacobson-20260309.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 9, 2026
Raw hash: 11d38434a936a5ef1429fce1a78846f611cc31fd47ec2be5bd0f467962c1befa

Linked disclosures

Regulatory filings (10) · sorted by filing gap

Reporting entityDebevoise & Plimpton LLP

Victim entityFried, Frank, Harris, Shriver & Jacobson LLP

Incidentdiscovered Oct 27, 2025

Stated responseEngaged outside data security experts to confirm that it had eliminated the unauthorized access and secured its environment

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov