HackingTechnologyInformationData ExfiltratedCustomer Data InvolvedIdentity (basic)Financial accountMediumContained

Constellation Software Inc.

bd_b9631555636ec7d9 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Apr 27, 2023

Filed

May 25, 2023

To disclose

28 days

Affected · nationwide

1,1053 in this filing

Linked

5 filings

Confidence

66%

Full breach record for Constellation Software Inc. →

Constellation Software Inc. reported an external system breach (hacking) occurring between February 27, 2023, and April 3, 2023. The incident affected 1,105 individuals, including 3 Maine residents. Acquired data included names and financial account or credit/debit card numbers (with security codes/PINs). The company provided written notification on May 8, 2023, and offered one year of credit monitoring and identity protection services via TransUnion.

J jump to incidentP pin to compareR raw source

Maine clockDiscovered Apr 27, 2023 → Filed with AG May 25, 202328d ✓ ME AG ≤30d28 days 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 · 59 days

discovery → filing · 28 days

Feb 27, 2023

Begins

Apr 27, 2023

Discovered

May 25, 2023

Filed

vs. sector median

7 wks faster

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

Linked disclosures

Why this link?

Regulatory filings (4) · sorted by filing gap

New Hampshire State AGbd_5956b91aa79a4b362023-05-25Verified
Massachusetts State AGbd_d5a59a6d31b150b22023-05-25Verified
Vermont State AGbd_b6cc684d4d89fc1a2023-05-12 · +13dVerified
Indiana State AGbd_ea2952588b100c9c2023-05-08 · +17dVerified

Name: Constellation
norm: constellation
Domain: constellation.com

Name: Constellation Software Inc.
norm: constellation software
Industry: Technologyllm

Discovered: Apr 27, 2023
Breach occurred: Feb 27, 2023 – Apr 3, 2023
Undetected for: 59 daysoccurrence → discovery
Materiality determined: —
Notification sent: May 8, 2023
Affected individuals: 1,105state + nationwide
Data types: Identity (basic)Financial account
Data elements: Financial account number
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing Application
Threat actor: ExternalFinancial
Regulator citations: Filed data breach notice with Maine Attorney General
Initial access: exploit_public_facing

During the incident: Sent written notification to affected individuals
Offered 1 Year of credit monitoring and identity protection services through TransUnion
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 28 days(28 days from discovery to filing)
Compliance flags: ME AG ≤30d · 28d
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: Apr 27, 2023
→ Filed with AG: May 25, 2023
28d 30 days ME AG ≤30d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Apr 27, 2023 → Filed with AG: May 25, 2023	28d	30 days	ME AG ≤30d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 5 filings · 5 states

View merged incident ↗

Indiana State AGMay 8 · first

Vermont State AG+4d

New Hampshire State AG+17d

Massachusetts State AG+17d

Maine State AG+17d · this page

Pattern: first filing May 8 (IN), last May 25 (ME) — a 17-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-a1252b4f8318/1ed405ac-f0bd-4749-8968-537f12fd7a76.shtml
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: May 25, 2023
Raw hash: 5c5269c1d3c8ad6e34407a06deb21dbde02213fa9e00d14ebff6bd4818b3e40c

Linked disclosures

Regulatory filings (4) · sorted by filing gap

Reporting entityConstellation

Victim entityConstellation Software Inc.

Incidentdiscovered Apr 27, 2023

Stated responseSent written notification to affected individuals

ComplianceME AG ≤30d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov