DisclosureLens
MalwareTechnologyHealthcareInformationIdentity (basic)Government IDHealth (basic)Financial accountCredentialsAuthenticationMediumContained

Professional Business Systems, Inc.

bd_16c2261ae907270f · schema v1 · pii pii-v1

Severity

Medium

Discovered

Dec 30, 2020

Filed

Jul 1, 2021

To disclose

26 weeks

Affected

Not disclosed

Linked

7 filings

Confidence

68%
Full breach record for Professional Business Systems, Inc.

Professional Business Systems, d/b/a Practicefirst Medical Management Solutions, notified Montana residents of a December 30, 2020 ransomware incident. The actor attempted to encrypt systems but copied patient and employee files containing PII, PHI, and financial data before deletion. Practicefirst shut down systems, alerted law enforcement, and offered two years of Kroll identity monitoring. No misuse was found.

Incident timeline

discovery → filing · 26 weeks / 183 days

Dec 30, 2020

Discovered

Jul 1, 2021

Filed

vs. sector median

+8 wks slower

This filing is one of 7 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (6) · sorted by filing gap

Show 2 more filingsup to 181d gap

Filing propagation · 7 filings · 7 states

View merged incident ↗
Illinois State AGJan 1 · first
HHS OCR+181d
Montana State AG+181d · this page

Pattern: first filing Jan 1 (IL), last Jul 6 (NH) — a 186-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.