MalwareProfessional ServicesProfessional ServicesRansomwareCapture Stored DataData ExfiltratedData EncryptedCustomer Data InvolvedIdentity (basic)Government IDMediumContained

Sitzberger & Company

bd_581d5a52854c5488 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Mar 6, 2021

Filed

Jul 1, 2021

To disclose

17 weeks

Affected

4state residents only

Linked

3 filings

Confidence

65%

Full breach record for Sitzberger & Company →

Sitzberger & Company disclosed a ransomware incident occurring between Feb 24 and Mar 6, 2021. The attacker encrypted systems and exfiltrated approx. 6GB of data containing names and SSNs. No evidence of misuse was found. Law enforcement was notified.

J jump to incidentP pin to compareR raw source

Incident timeline

undetected · 10 days

discovery → filing · 17 weeks / 117 days

Feb 24, 2021

Begins

Mar 6, 2021

Discovered

Jul 1, 2021

Filed

vs. sector median

1 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

Indiana State AGbd_1f4095f31993232d2021-07-01Verified
Maine State AGbd_58762dd733b6f39b2021-07-01Verified

Name: Sitzberger & Company
norm: sitzberger

Name: Sitzberger & Company
norm: sitzberger
Industry: Professional Servicesllm

Discovered: Mar 6, 2021
Breach occurred: Feb 24, 2021 – Mar 6, 2021
Undetected for: 10 daysoccurrence → discovery
Materiality determined: —
Notification sent: Apr 26, 2021
Affected individuals: 4state-resident count only
Data types: Identity (basic)Government ID
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Regulator citations: Notified law enforcementNotifying regulatory authorities

During the incident: Secured the systems
Restored access to the information
Investigated what happened
Performed a comprehensive review of all information stored on the impacted systems
Conducted a manual review of our records
Notified law enforcement
Notifying regulatory authorities
Changes made: Assess and update security measures
Update training to our employees
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 17 weeks(117 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 ↗

Indiana State AGJul 1 · first

Maine State AGJul 1 · first

Montana State AGJul 1 · 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/OCP/a-notif-38.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jul 1, 2021
Raw hash: 6e219d79d95cdac1791949766387d072feb38852183d0dcc0a2755ba4961e2da

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entitySitzberger & Company

Victim entitySitzberger & Company

Incidentdiscovered Mar 6, 2021

Stated responseSecured the systems

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov