DisclosureLens
FEDERALUnknownLow

BST & CO. CPAS, LLP

bd_b1c08cec54ba479d · schema v1 · pii pii-v1

Severity

Low

Discovered

—

Filed

Aug 18, 2025

To disclose

—

Affected

Not disclosed

Linked

4 records

Confidence

90%
Full breach record for BST & CO. CPAS, LLP →

Regulator's decision — not a breach notification

This record is a regulator's decision, not the organisation's own breach notice. Breach-notification fields (discovery date, notification clock) are structurally absent — what this source establishes is the outcome and the provisions the decision cites.

HHS OCR settled a HIPAA Security Rule investigation with BST & Co. CPAs, LLP regarding a ransomware incident. HHS's investigation indicated that BST failed to assess the potential risks and vulnerabilities to the confidentiality, integrity, and availability of electronic protected health information (ePHI) held by it as a business associate. The breach affected 170,000 individuals. BST agreed to pay $175,000 and implement a Corrective Action Plan including risk analysis, risk management plan, policies, and training.

Incident timeline — partial

? — ?

Breach window unknown

Aug 18, 2025

Filed

—

Corroborated · see linked filings

This record is the regulator's action, not a breach notice; its own dates cannot anchor compliance clocks. See the linked filings.

This enforcement record is one of 4 records about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (3) · sorted by filing gap

Filing propagation · 3 filings · 3 states

View merged incident ↗
Montana State AGFeb 14 · first
HHS OCR+2d
Massachusetts State AG+11d

Pattern: first filing Feb 14 (MT), last Feb 25 (MA) — a 11-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 ceiling

  • instrument + outcome
  • amount as filed (USD)
  • CFR provisions
  • the breach it recites
  • discovery date
  • notification clock

The dates the agreement recites belong to the underlying breach, years earlier, and are kept as evidence of WHICH breach rather than as this record’s timeline.