Social EngineeringRetail & ConsumerRetailPhishingStolen CredentialsCustomer Data InvolvedPIIIdentity (basic)LowContained

Coldwell Banker Brown Realtor (Brown)

bd_6bb5dbc2ce2a1987 · schema v1 · pii pii-v1

Severity

Low

Discovered

May 19, 2020

Filed

Oct 1, 2020

To disclose

19 weeks

Affected

1state residents only

Confidence

66%

Full breach record for Coldwell Banker Brown Realtor (Brown) →2 incidents on file

Coldwell Banker Brown Realtors notified Montana residents of a phishing incident in May 2020. Unauthorized access to employee email accounts occurred between April 23-29, 2020. Personal information (names and other data) may have been accessed. No evidence of misuse was found. The company reset passwords, engaged forensic investigators, and offered 12 months of credit monitoring.

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Incident timeline

undetected · 26 days

discovery → filing · 19 weeks / 135 days

Apr 23, 2020

Begins

May 19, 2020

Discovered

Oct 1, 2020

Filed

vs. sector median

+11 wks slower

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed1 affectedView incident

Name: Coldwell Banker Brown Realtor (Brown)
norm: coldwell banker brown realtor brown
Domain: brownrealtors.com

Name: Coldwell Banker Brown Realtor (Brown)
norm: coldwell banker brown realtor brown
Domain: brownrealtors.com
Industry: Retail & Consumerllm

Discovered: May 19, 2020
Breach occurred: Apr 23, 2020 – Apr 29, 2020
Undetected for: 26 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: 1state-resident count only
Data types: PIIIdentity (basic)
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing LinkT1078 Valid Accounts
Threat actor: External
Initial access: phishing_link

During the incident: Performed a password reset for the accounts
Swiftly engaged a third-party forensic company to investigate
Secured the affected work station
Took steps to enhance the security of all information
Offered complimentary credit monitoring and identity protection services
Changes made: Enhanced the security of all information to help prevent similar incidents from occurring in the future
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 19 weeks(135 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/OCP/Breach-NotificationDetails-220.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Oct 1, 2020
Raw hash: 696a89f0fa7b3423f92cd9d05f21450b624e4a2a78a1fdca3f8d5a23af471df3

Reporting entityColdwell Banker Brown Realtor (Brown)

Victim entityColdwell Banker Brown Realtor (Brown)

Incidentdiscovered May 19, 2020

Stated responsePerformed a password reset for the accounts

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov