HackingProfessional ServicesProfessional ServicesCustomer Data InvolvedGovernment IDIdentity (basic)HighContained

Serco Inc.

bd_f4de1dd0ef969c2e · schema v1 · pii pii-v1

Severity

High

Discovered

Jul 3, 2023

Filed

Aug 2, 2023

To disclose

4 weeks

Affected · nationwide

10,14039 in this filing

Linked

6 filings

Confidence

66%

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

Serco, Inc. reported an external system breach (hacking) occurring on May 31, 2023, discovered on July 3, 2023. The incident affected 10,140 individuals, including 39 Maine residents. Personal information acquired included names and Social Security Numbers. Serco provided written notification on August 1, 2023, and offered one year of complimentary identity theft protection and credit monitoring through NortonLifeLock.

J jump to incidentP pin to compareR raw source

Leak gap clock✗ Leak >180d4 weeks discovery → filing

⚠ AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

Incident timeline

undetected · 33 days

discovery → filing · 4 weeks / 30 days

May 31, 2023

Begins

Jul 3, 2023

Discovered

Aug 2, 2023

Filed

vs. sector median

13 wks faster

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

A leak claim by babuk about this victim predates this filing by 1011 days.View originating leak claim

Linked disclosures

Why this link?

Regulatory filings (5) · sorted by filing gap

Massachusetts State AGbd_147fd7d7262cbafd2023-08-02Verified
California State AGbd_d3f7882faca3c5b52023-08-02Verified
Indiana State AGbd_81b22986e93d58cf2023-08-01 · +1dVerified
Montana State AGbd_ce7497a68195b8d42023-08-01 · +1dCandidate

Show 1 more filing ↓up to 5d gap

New Hampshire State AGbd_c62e19619a3fadab2023-08-07 · +5dVerified

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

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

Discovered: Jul 3, 2023
Breach occurred: May 31, 2023
Undetected for: 33 daysoccurrence → discovery
Materiality determined: —
Notification sent: Aug 1, 2023
Affected individuals: 10,140state + nationwide
Data types: Government IDIdentity (basic)
Data elements: Social Security number
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing Application
Threat actor: External
Initial access: exploit_public_facing

During the incident: Sent written notification to affected individuals
Offered one-year complimentary identity theft protection and credit monitoring services through NortonLifeLock
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 4 weeks(30 days from discovery to filing)
Compliance flags: Leak >180dME AG ≤30d · 30d
Discovery-date grounding: AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.
Clock breakdown: Statute Window Elapsed Threshold Status
Maine
Discovered: Jul 3, 2023
→ Filed with AG: Aug 2, 2023
30d 30 days ME AG ≤30d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Jul 3, 2023 → Filed with AG: Aug 2, 2023	30d	30 days	ME AG ≤30d

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

Massachusetts State AG+1d

California State AG+1d

Maine State AG+1d · this page

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://www.maine.gov/agviewer/content/ag/985235c7-cb95-4be2-8792-a1252b4f8318/c7adbabd-3bf5-480c-97d1-ea15fb68fa10.shtml
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 2, 2023
Raw hash: de4d98daa8062dae750caae397397a34877705e42093777405aee7c1a2281aac

Linked disclosures

Regulatory filings (5) · sorted by filing gap

Reporting entitySerco Inc.

Victim entitySerco Inc.

Incidentdiscovered Jul 3, 2023

Stated responseSent written notification to affected individuals

ComplianceLeak >180d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov