Social EngineeringPIIIdentity (basic)LowResolved

Ontario Systems, LLC

bd_d54379479c42d9a9 · schema v1 · pii pii-v1

Severity

Low

Discovered

Jun 22, 2020

Filed

Dec 31, 2020

To disclose

27 weeks

Affected

1state residents only

Linked

5 filings

Confidence

66%

Full breach record for Ontario Systems, LLC →2 incidents on file

Ontario Systems, LLC notified Montana residents of a phishing incident on Dec 31, 2020. Discovered June 22, 2020, an unauthorized actor obtained an employee's email credentials via phishing. The actor accessed the email account briefly. No evidence suggests client data or personal information was accessed or misused. The company secured the account, engaged forensic investigators, and offered IDX identity protection services.

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Incident timeline

discovery → filing · 27 weeks / 192 days

Jun 22, 2020

Discovered

Dec 31, 2020

Filed

This filing is one of 5 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (4) · sorted by filing gap

Massachusetts State AGbd_67c76a04a03a889b2020-12-31Verified
New Hampshire State AGbd_7aa5d06d2b56a6452020-12-31Verified
Maine State AGbd_83de47c1f4c5941e2020-12-31Candidate
Indiana State AGbd_e217dd13bac7d64a2020-12-31Verified

Name: Ontario Systems, LLC
norm: ontario systems

Name: Ontario Systems, LLC
norm: ontario systems

Discovered: Jun 22, 2020
Materiality determined: —
Notification sent: Dec 31, 2020
Affected individuals: 1state-resident count only
Data types: PIIIdentity (basic)
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing LinkT1078 Valid AccountsT1114 Email Collection
Threat actor: External
Initial access: phishing_link

During the incident: Secured the employee’s email account to prevent further access
Launched an investigation
Engaged a leading forensic security firm to assist in our investigation
Implemented additional tools to further prevent these types of attacks
Offering complimentary identity theft protection services through IDX
Changes made: Implemented additional tools to further prevent these types of attacks
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 27 weeks(192 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 5 filings · 5 states

View merged incident ↗

Massachusetts State AGDec 31 · first

New Hampshire State AGDec 31 · first

Maine State AGDec 31 · first

Indiana State AGDec 31 · first

Montana State AGDec 31 · 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/Ont-notif.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Dec 31, 2020
Raw hash: 73327ee35db2aa8d1217736d954fbb821d025293a75f50ee2b57a0c1fd461020

Linked disclosures

Regulatory filings (4) · sorted by filing gap

Reporting entityOntario Systems, LLC

Victim entityOntario Systems, LLC

Incidentdiscovered Jun 22, 2020

Stated responseSecured the employee’s email account to prevent further access

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov