Social EngineeringProfessional ServicesProfessional ServicesPhishingCustomer Data InvolvedIdentity (basic)Government IDMediumContained

Special K Tax and Accounting

bd_98bbde0caf0b0fba · schema v1 · pii pii-v1

Severity

Medium

Discovered

Feb 28, 2021

Filed

May 7, 2021

To disclose

10 weeks

Affected

5state residents only

Linked

3 filings

Confidence

67%

Full breach record for Special K Tax and Accounting →

Special K Tax & Accounting, a sole proprietorship in Marlborough, MA, notified the NH Attorney General on May 7, 2021, of a phishing incident affecting 5 NH residents. On Feb 28, 2021, unusual email activity was detected. Forensic investigation confirmed unauthorized access to an email account, though specific data viewed was unidentified. Names and SSNs may have been exposed. Notifications were sent, and credit monitoring offered.

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Incident timeline

discovery → filing · 10 weeks / 68 days

Feb 28, 2021

Discovered

May 7, 2021

Filed

vs. sector median

8 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

Maine State AGbd_8386101ffa6fc7342021-05-09 · +2dCandidate
Massachusetts State AGbd_d5e32e20dcb256712021-05-09 · +2dVerified

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

Name: Special K Tax and Accounting
norm: special k tax and accounting
Industry: Professional Servicesllm

Discovered: Feb 28, 2021
Materiality determined: —
Notification sent: May 7, 2021
Affected individuals: 5state-resident count only
Data types: Identity (basic)Government ID
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing Link
Threat actor: External
Regulator citations: Notified New Hampshire Attorney General
Initial access: phishing_link

During the incident: Engaged an independent computer forensics firm
Secured the affected email account
Conducted a review of the entire contents of the email account
Prepared notification letters to potentially affected individuals
Changes made: Implemented additional safeguards to help ensure the security of our email environment
Offered complimentary credit monitoring and identity theft protection services
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 10 weeks(68 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 ↗

New Hampshire State AGMay 7 · first · this page

Maine State AG+2d

Massachusetts State AG+2d

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/special-k-tax-accounting-20210507.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: May 7, 2021
Raw hash: f5fb17b041c9ce1268dd1f405fbd006b713bd9be7c4d3a70d1eb215ca042e6d9

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityLewis Brisbois Bisgaard & Smith, PLLC

Victim entitySpecial K Tax and Accounting

Incidentdiscovered Feb 28, 2021

Stated responseEngaged an independent computer forensics firm

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov