MSA Accounting CPA, Professional Corp.
bd_040c1f3170e56d15 · schema v1 · pii pii-v1
Full breach record for MSA Accounting CPA, Professional Corp. →MSA Accounting CPA, Professional Corp. notified clients of suspicious activity involving unauthorized 2016 tax return filings and rejected returns. Forensic investigation found no evidence of a network breach or malicious activity. Potentially affected data included SSNs, financial account details, and employment information. The firm changed passwords, notified the IRS and FBI, and engaged forensic consultants.
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Incident timeline — partial
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Breach window unknown
May 2, 2017
Filed
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Corroborated · see linked filings
Compliance clocks stay unassessable until a regulatory filing lands. Dashed segments fill in automatically when corroboration arrives.
Linked disclosures
Why this link?Regulatory filings (1) · sorted by filing gap
- Massachusetts State AGbd_23d03cdedc3a43c82017-04-28 · +4dVerified
Filing propagation · 2 filings · 2 states
View merged incident ↗Evidence ladder
Attacker assertion only. Establishes: claim date, group, alleged victim.
Unlocks: incident narrative, operational impact. Still no compliance clock.
Unlocks: discovery date, data types, affected count, compliance clock.
Unlocks: materiality, stated response, full audit trail. Ceiling removed.