HackingProfessional ServicesProfessional ServicesStolen CredentialsTargetedData ExfiltratedIdentity (basic)Government IDPIIMediumContained

Lyons & Lyons PC

bd_ccb2f27217cfb293 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Feb 20, 2013

Filed

Mar 19, 2013

To disclose

27 days

Affected

10state residents only

Linked

2 filings

Confidence

67%

Full breach record for Lyons & Lyons PC →

Lyons & Lyons PC, a tax preparation firm, disclosed a breach where an unauthorized individual accessed its computer systems, obtaining names, SSNs, and addresses of clients. The breach was discovered on Feb 20, 2013, after fraudulent tax returns were filed. 10 NH residents were affected. Notifications were sent on March 14, 2013. The firm engaged forensic counsel, upgraded security infrastructure, and provided credit monitoring.

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Incident timeline

discovery → filing · 27 days

Feb 20, 2013

Discovered

Mar 19, 2013

Filed

vs. sector median

15 wks faster

This filing is one of 2 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (1) · sorted by filing gap

Massachusetts State AGbd_6c868f4bbbadbaee2013-03-22 · +3dVerified

Name: Wilson, Elser, Moskowitz, Edelman & Dicker LLP
norm: wilson elser moskowitz edelman dicker
Domain: wilsonelser.com

Name: Lyons & Lyons PC
norm: lyons lyons
Industry: Professional Servicesllm

Discovered: Feb 20, 2013
Materiality determined: —
Notification sent: Mar 14, 2013
Affected individuals: 10state-resident count only
Data types: Identity (basic)Government IDPII
Data elements: Social Security number
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: ExternalFinancial
Regulator citations: Contacted the Internal Revenue Service (IRS)Cooperated with the United States Secret Service (USSS)
Initial access: valid_credentials

During the incident: Contacted the Internal Revenue Service (IRS)
Cooperated with the United States Secret Service (USSS) investigation
Retained the services of a data breach coach
Contracted with ID Experts to provide identity theft consultation and restoration services
Provided credit monitoring for one year for interested individuals
Upgraded its firewalls
Replaced its servers
Implemented other security measures
Changes made: Upgraded its firewalls
Replaced its servers
Implemented other security measures
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 27 days(27 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 2 filings · 2 states

View merged incident ↗

New Hampshire State AGMar 19 · first · this page

Massachusetts State AG+3d

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/lyons-20130319.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 19, 2013
Raw hash: c8d9708fe0ad1d09b30b6db1d3559df25ffc18c996f384e45051a08f9f5badee

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityWilson, Elser, Moskowitz, Edelman & Dicker LLP

Victim entityLyons & Lyons PC

Incidentdiscovered Feb 20, 2013

Stated responseContacted the Internal Revenue Service (IRS)

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov