MalwareProfessional ServicesProfessional ServicesRansomwareData ExfiltratedData EncryptedRansom DemandedGovernment IDIdentity (basic)PHIMediumContained

Singleton Schreiber

bd_f8b1ecc71c9eae93 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Oct 8, 2021

Filed

Apr 29, 2022

To disclose

29 weeks

Affected

7state residents only

Linked

5 filings

Confidence

65%

Full breach record for Singleton Schreiber →2 incidents on file

Singleton Schreiber, LLP, a San Diego-based law firm, notified the New Hampshire Attorney General of a data security incident affecting 7 NH residents. The incident, discovered on October 8, 2021, involved unauthorized access and potential exfiltration of names, SSNs, driver's licenses, and medical info. The firm engaged forensic experts, reported to the FBI, and offered 12 months of credit monitoring.

J jump to incidentP pin to compareR raw source

Incident timeline

undetected · 5 days

discovery → filing · 29 weeks / 203 days

Oct 3, 2021

Begins

Oct 8, 2021

Discovered

Apr 29, 2022

Filed

vs. sector median

+12 wks slower

This filing is one of 5 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (4) · sorted by filing gap

Indiana State AGbd_cb2f7f93a128d6782022-04-29Verified
Montana State AGbd_e45f7b24b7aefe202022-04-29Candidate
Maine State AGbd_5e6ce38f9c3ac00e2022-05-24 · +25dVerified by operator
California State AGbd_78f63885f5ebaee22022-05-24 · +25dVerified

Name: Lewis Brisbois Bisgaard & Smith, PLLC
norm: lewis brisbois bisgaard smith

Name: Singleton Schreiber
norm: singleton schreiber
Domain: singletonschreiber.com
Industry: professional_services
Industry: Professional Servicesllm

Discovered: Oct 8, 2021
Breach occurred: Oct 3, 2021 – Oct 8, 2021
Undetected for: 5 daysoccurrence → discovery
Materiality determined: —
Notification sent: Apr 29, 2022
Affected individuals: 7state-resident count only
Data types: Government IDIdentity (basic)PHI
Attack vector: Unauthorized Access
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Regulator citations: Notified New Hampshire Attorney GeneralReported the incident to the Federal Bureau of Investigation

During the incident: Took steps to secure its environment and launched an investigation with the assistance of outside cybersecurity experts
Engaged an independent digital forensics firm to assist with the investigation
Reported the incident to the Federal Bureau of Investigation and will provide whatever cooperation is necessary to facilitate prosecution of the perpetrators
Established a toll-free call center through IDX to answer questions about the incident
Offering twelve (12) months of complimentary credit and identity monitoring services
Changes made: Implemented additional safeguards to help ensure the security of its systems and to reduce the risk of a similar incident occurring in the future
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 29 weeks(203 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 5 filings · 5 states

View merged incident ↗

Indiana State AGApr 29 · first

Montana State AGApr 29 · first

New Hampshire State AGApr 29 · first · this page

Maine State AG+25d

California State AG+25d

Pattern: first filing Apr 29 (IN), last May 24 (CA) — a 25-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/singleton-schreiber-20220429.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Apr 29, 2022
Raw hash: 893beb97160550427222052c1eea55858dfde2ccb143b556d73c4a240d655967

Linked disclosures

Regulatory filings (4) · sorted by filing gap

Reporting entityLewis Brisbois Bisgaard & Smith, PLLC

Victim entitySingleton Schreiber

Incidentdiscovered Oct 8, 2021

Stated responseTook steps to secure its environment and launched an investigation with the assistance of outside cybersecurity experts

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov