AccidentalGovernmentGovernmentMisdeliveryCustomer Data InvolvedIdentity (basic)Government IDMediumResolved

City of Longmont, Colorado

bd_0e6329351204838f · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jun 6, 2019

Filed

Jun 9, 2019

To disclose

3 days

Affected

1state residents only

Confidence

65%

Full breach record for City of Longmont, Colorado →

City of Longmont, Colorado notified employees that on June 6, 2019, an email containing personal information (name, address, SSN) was inadvertently sent to unintended recipients. The City recalled the message, deleted copies, and offered 12 months of credit monitoring. No misuse was indicated at the time of notice.

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Incident timeline

discovery → filing · 3 days

Jun 6, 2019

Begins

Jun 6, 2019

Discovered

Jun 9, 2019

Filed

vs. sector median

10 wks faster

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

Name: City of Longmont, Colorado
norm: city of longmont colorado

Name: City of Longmont, Colorado
norm: city of longmont colorado
Industry: Governmentllm

Discovered: Jun 6, 2019
Breach occurred: Jun 6, 2019
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jun 6, 2019
Affected individuals: 1state-resident count only
Data types: Identity (basic)Government ID
Attack vector: Misconfiguration
MITRE ATT&CK: T1534 Internal Remote Services

During the incident: Worked with information technology partners to recall the message
Deleted all copies of the message and attachment from all email accounts
Notified all city employees of the incident
Offered 12 months of complimentary credit monitoring services
Changes made: Offered 12 months of complimentary credit monitoring services
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 3 days(3 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/CON-Longmont-Consumer-Notification-Letter.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jun 9, 2019
Raw hash: d8a46d84dfe6636262c0e760836903a17bfa53ddb61a7897c8ac9c96480a302b

Reporting entityCity of Longmont, Colorado

Victim entityCity of Longmont, Colorado

Incidentdiscovered Jun 6, 2019

Stated responseWorked with information technology partners to recall the message

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov