MalwareProfessional ServicesProfessional ServicesRansomwareData EncryptedIdentity (basic)Government IDFinancial accountPIIMediumContained

Stallcup & Associates, CPAs

bd_86a919b8e15d195a · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jul 11, 2016

Filed

Sep 21, 2016

To disclose

10 weeks

Affected

1state residents only

Linked

3 filings

Confidence

65%

Full breach record for Stallcup & Associates, CPAs →2 incidents on file

Stallcup & Associates, CPAs notified clients of a ransomware incident on July 11, 2016, where network files were encrypted. No evidence of exfiltration was found, but client tax info (SSN, DOB, financial data) was on the same drive. The firm engaged forensic investigators, removed malware, and provided 12 months of identity protection. Notices were sent on September 21, 2016.

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Incident timeline

discovery → filing · 10 weeks / 72 days

Jul 11, 2016

Begins

Jul 11, 2016

Discovered

Sep 21, 2016

Filed

vs. sector median

7 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

Massachusetts State AGbd_3fa745076cb4c6952016-09-21Verified
California State AGbd_c4d60de0c8245cfd2016-09-21Verified

Name: Stallcup & Associates, CPAs
norm: stallcup associates cpas

Name: Stallcup & Associates, CPAs
norm: stallcup associates cpas
Industry: Professional Servicesllm

Discovered: Jul 11, 2016
Breach occurred: Jul 11, 2016
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: Sep 21, 2016
Affected individuals: 1state-resident count only
Data types: Identity (basic)Government IDFinancial accountPII
Data elements: Social Security numberDate of birth
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for Impact
Threat actor: ExternalFinancial
Regulator citations: Filed notice with FBIFiled notice with all three consumer reporting agenciesNotifying offices of applicable State Attorney Generals

During the incident: Contacted IT consultant to secure network
Hired third party forensic security firm to perform investigation
Removed malware from impacted computer hard drive
Made internal software system management changes
Confirmed network firewalls, computers and security protections are properly functioning
Filed notice with FBI
Filed notice with all three consumer reporting agencies
Notifying offices of applicable State Attorney Generals
Changes made: Arranged 12 months of complimentary identity protection through AllClear ID
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 10 weeks(72 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 ↗

Massachusetts State AGSep 21 · first

California State AGSep 21 · first

Montana State AGSep 21 · first · this page

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://dojmt.gov/wp-content/uploads/Stallcup-Associates-CPAs.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Sep 21, 2016
Raw hash: 962ab02889bff68db6f88a0782b331609b7008d47f3dc6661abf1658b413f83a

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityStallcup & Associates, CPAs

Victim entityStallcup & Associates, CPAs

Incidentdiscovered Jul 11, 2016

Stated responseContacted IT consultant to secure network

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov