MalwareProfessional ServicesProfessional ServicesRansomwareData EncryptedCustomer Data InvolvedIdentity (basic)Government IDFinancial accountEmploymentMediumContained

Stallcup & Associates, CPAs

bd_c4d60de0c8245cfd · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jul 11, 2016

Filed

Sep 21, 2016

To disclose

10 weeks

Affected

Not disclosed

Linked

3 filings

Confidence

64%

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

Stallcup & Associates, CPAs experienced a ransomware incident on July 11, 2016, where network files were encrypted. The firm detected the virus within an hour and contained it. No evidence of data exfiltration was found, but client tax information (including SSNs, bank account details, and W-2s) was on the affected drives. The firm engaged forensic investigators, notified the FBI and credit agencies, and offered 12 months of identity protection to affected individuals.

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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
Montana State AGbd_86a919b8e15d195a2016-09-21Candidate

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: Not disclosed
Data types: Identity (basic)Government IDFinancial accountEmployment
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 the 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 drives
Made internal software system management changes
Confirmed network firewalls, computers and security protections are properly functioning
Filed notice with the FBI
Filed notice with all three consumer reporting agencies
Notifying offices of applicable State Attorney Generals
Changes made: Offered 12 months of identity protection services 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

Montana State AGSep 21 · first

California 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://oag.ca.gov/ecrime/databreach/reports/sb24-63986
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: d34fe8fa2cecc581942ab85af3927458f9d1a98469890ffb0b0bdaea59d90bd3

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 provenanceoag.ca.gov