HackingProfessional ServicesProfessional ServicesStolen CredentialsCustomer Data InvolvedEmployee Data InvolvedTargetedPIIIdentity (basic)Government IDMediumContained

Calibre CPA Group

bd_fda5cc6a136f7ac9 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Mar 11, 2019

Filed

Aug 26, 2019

To disclose

24 weeks

Affected

219state residents only

Linked

6 filings

Confidence

65%

Full breach record for Calibre CPA Group →2 incidents on file

Calibre CPA Group notified Montana and other state residents of unauthorized access to employee email accounts and a server between March 11 and May 7, 2019. The incident involved the use of stolen credentials to access email and server data containing personal information (PII) and government IDs. Calibre engaged forensic experts, notified law enforcement, and provided two years of Kroll identity monitoring services.

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Incident timeline

discovery → filing · 24 weeks / 168 days

Mar 11, 2019

Begins

Mar 11, 2019

Discovered

Aug 26, 2019

Filed

vs. sector median

+6 wks slower

This filing is one of 6 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (5) · sorted by filing gap

Massachusetts State AGbd_80543e862f2dd7672019-08-26Candidate
California State AGbd_469bb67cd6efc5df2019-09-09 · +14dVerified
New Hampshire State AGbd_c9b305f10e4fa56f2019-09-10 · +15dVerified
HHS OCRbd_b7b0c8592bb421c42019-09-27 · +32dVerified

Show 1 more filing ↓up to 45d gap

Washington State AGbd_66ae17adab8607d62019-10-10 · +45dVerified

Name: Calibre CPA Group
norm: calibre cpa

Name: Calibre CPA Group
norm: calibre cpa
Industry: Professional Servicesllm

Discovered: Mar 11, 2019
Breach occurred: Mar 11, 2019 – May 7, 2019
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jun 26, 2019
Affected individuals: 219state-resident count only
Data types: PIIIdentity (basic)Government ID
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1114 Email Collection
Threat actor: External
Regulator citations: Provided relevant regulatory notices
Initial access: valid_credentials

During the incident: Launched an investigation to determine the full nature and scope of the activity
Engaged computer forensics experts
Undertook a comprehensive review of the impacted email accounts and impacted server
Notified law enforcement
Provided relevant regulatory notices
Secured the services of Kroll to provide identity monitoring services
Changes made: Confirmed and further strengthened the security of our systems
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 24 weeks(168 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 6 filings · 6 states

View merged incident ↗

Massachusetts State AGAug 26 · first

Montana State AGAug 26 · first · this page

California State AG+14d

New Hampshire State AG+15d

HHS OCR+32d

Washington State AG+45d

Pattern: first filing Aug 26 (MA), last Oct 10 (WA) — a 45-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 URL: https://dojmt.gov/wp-content/uploads/OCP/Breach-NotificationDetails-62.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 26, 2019
Raw hash: a107d9b9c9651d0f746c7a0826155fe30f862bbe3a02588174cf75fafd8d0478

Linked disclosures

Regulatory filings (5) · sorted by filing gap

Reporting entityCalibre CPA Group

Victim entityCalibre CPA Group

Incidentdiscovered Mar 11, 2019

Stated responseLaunched an investigation to determine the full nature and scope of the activity

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov