HackingProfessional ServicesProfessional ServicesStolen CredentialsCustomer Data InvolvedTargetedPIIIdentity (basic)CredentialsLowContained

Serco Inc.

bd_ce7497a68195b8d4 · schema v1 · pii pii-v1

Severity

Low

Discovered

—

Filed

Aug 1, 2023

To disclose

—

Affected

25state residents only

Linked

6 filings

Confidence

68%

Full breach record for Serco Inc. →4 incidents on file

Serco, Inc. notified Montana residents that unauthorized access occurred to email accounts and text message data. The incident involved the misuse of valid credentials. Serco is offering one year of complimentary credit and identity theft monitoring via NortonLifeLock. No evidence of misuse was found at the time of notification.

J jump to incidentP pin to compareR raw source

Incident timeline — partial

? — ?

Breach window unknown

Aug 1, 2023

Filed

No interval is drawn: no breach start or discovery date is on record for this filing.

This filing is one of 6 filings about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (5) · sorted by filing gap

Indiana State AGbd_81b22986e93d58cf2023-08-01Verified
Massachusetts State AGbd_147fd7d7262cbafd2023-08-02 · +1dVerified
California State AGbd_d3f7882faca3c5b52023-08-02 · +1dVerified
Maine State AGbd_f4de1dd0ef969c2e2023-08-02 · +1dVerified

Show 1 more filing ↓up to 6d gap

New Hampshire State AGbd_c62e19619a3fadab2023-08-07 · +6dVerified

Name: Serco Inc.
norm: serco
Domain: serco.com

Name: Serco Inc.
norm: serco
Domain: serco.com
Industry: Professional Servicesllm

Discovered: —
Materiality determined: —
Notification sent: —
Affected individuals: 25state-resident count only
Data types: PIIIdentity (basic)Credentials
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Initial access: valid_credentials

During the incident: Secured the services of NortonLifeLock to provide credit and identity theft monitoring services
Encouraged individuals to report unusual activity on Serco email accounts or Serco-related text messages to the Information Security team
Changes made: Provided one year of complimentary credit and identity theft monitoring services through NortonLifeLock
Source: Quoted from the filing itself, not independently verified.

Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 6 filings · 6 states

View merged incident ↗

Indiana State AGAug 1 · first

Montana State AGAug 1 · first · this page

Massachusetts State AG+1d

California State AG+1d

Maine State AG+1d

New Hampshire State AG+6d

Pattern: first filing Aug 1 (IN), last Aug 7 (NH) — a 6-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

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/Consumer-notification-letter-501.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 1, 2023
Raw hash: a21e052f389fd3a6ea0572d0a690425e11fa5a065d3c3e79626aceb849ab41d8

Linked disclosures

Regulatory filings (5) · sorted by filing gap

Reporting entitySerco Inc.

Victim entitySerco Inc.

IncidentUnauthorized Access

Stated responseSecured the services of NortonLifeLock to provide credit and identity theft monitoring services

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov