MalwareProfessional ServicesProfessional ServicesRansomwareRansom DemandedData ExfiltratedIdentity (basic)Government IDMediumContained

Ziegler

bd_2c0772aee4c3c427 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Sep 26, 2020

Filed

Nov 30, 2020

To disclose

9 weeks

Affected

21state residents only

Confidence

65%

Full breach record for Ziegler →

Ziegler CAT notified Montana residents of a ransomware incident discovered on September 26, 2020. Unauthorized access occurred between September 15-27, 2020. Acquired data included full names, driver's license numbers, and Social Security numbers. Ziegler engaged forensic investigators, notified law enforcement, and offered one year of Experian IdentityWorks credit monitoring.

J jump to incidentP pin to compareR raw source

Incident timeline

undetected · 11 days

discovery → filing · 9 weeks / 65 days

Sep 15, 2020

Begins

Sep 26, 2020

Discovered

Nov 30, 2020

Filed

vs. sector median

10 wks faster

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed21 affectedView incident

Name: Ziegler
norm: ziegler
Domain: ziegler.com

Name: Ziegler
norm: ziegler
Domain: ziegler.com
Industry: Professional Servicesllm

Discovered: Sep 26, 2020
Breach occurred: Sep 15, 2020 – Sep 27, 2020
Undetected for: 11 daysoccurrence → discovery
Materiality determined: —
Notification sent: Nov 30, 2020
Affected individuals: 21state-resident count only
Data types: Identity (basic)Government ID
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1078 Valid Accounts
Threat actor: ExternalFinancial
Regulator citations: Notified law enforcement
Initial access: valid_credentials

During the incident: Took servers offline
Engaged a cybersecurity firm to assist with the investigation and containment
Notified law enforcement and are cooperating with the investigation
Offering a complimentary one-year membership in Experian’s IdentityWorksSM Credit 3B
Changes made: Implemented additional measures to enhance existing security protocols
Implementing enhanced monitoring of network activity
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 9 weeks(65 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

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/Ziegler-Notif.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Nov 30, 2020
Raw hash: 4e9790e402311c632250289eaf4522fb864b354ea39d41f255e644a9e0e5017b

Reporting entityZiegler

Victim entityZiegler

Incidentdiscovered Sep 26, 2020

Stated responseTook servers offline

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov