HackingOtherDelayed DiscoveryIdentity (basic)MediumContained

Conference USA

bd_2bb1ff09b30cacf2 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jun 22, 2024

Filed

Sep 9, 2025

To disclose

20 days

Affected · nationwide

1,4591 in this filing

Linked

7 filings

Confidence

66%

Full breach record for Conference USA →3 incidents on file

Conference USA reported an external system breach (hacking) on June 22, 2024, discovered on August 20, 2025. 1,459 individuals were affected, including 1 Maine resident. The incident involved unauthorized access to files containing personal names. Conference USA engaged external cybersecurity professionals and is offering 12 months of identity theft protection services through IDX.

J jump to incidentP pin to compareR raw source

Maine clockDiscovered Jun 22, 2024 → Filed with AG Sep 9, 2025444d ✗ ME AG >90d20 days discovery → filing

⚠ occurrence dateThe stored discovery date equals the breach OCCURRENCE date. Detection is normally later, so this OVERSTATES the delay — a 'late' verdict here may not be real.

Incident timeline

discovery → filing · 15 months / 444 days

Jun 22, 2024

Begins

Jun 22, 2024

Discovered

Sep 9, 2025

Filed

vs. sector median

5 wks faster

This filing is one of 7 about the same incident.View merged incident

A leak claim by abyss about this victim predates this filing by 444 days.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Siteabyssbd_5d860a6a22a2b32e2024-06-22 · +444dVerified

Regulatory filings (5) · sorted by filing gap

Indiana State AGbd_17fb630c75d6e4412025-09-09Candidate
Nebraska State AGbd_a231683022a437db2025-09-09Verified
Texas State AGbd_0be6094df440b9772025-09-10 · +1dVerified
Massachusetts State AGbd_712c8098a8788fd32025-09-10 · +1dVerified

Show 1 more filing ↓up to 6d gap

New Hampshire State AGbd_c885d8a46fe8fe8b2025-09-15 · +6dVerified

Name: MCDONALD HOPKINS LLC
norm: mcdonald hopkins

Name: Conference USA
norm: conference usa
Domain: conferenceusa.com
Industry: Otherllm

Discovered: Jun 22, 2024
Breach occurred: Jun 22, 2024
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: Sep 9, 2025
Affected individuals: 1,459state + nationwide
Data types: Identity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing Application
Threat actor: External
Initial access: exploit_public_facing

During the incident: Commenced a prompt and thorough investigation
Working very closely with external cybersecurity professionals
Offering identity theft protection services through IDX
Changes made: Enhanced the security measures previously in place
Implemented additional technical safeguards to monitor and protect our network
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 20 days(20 days from discovery to filing)
Compliance flags: ME AG >90d · 444dME resident >180d · 444dLeak >180d
Discovery-date grounding: occurrence dateThe stored discovery date equals the breach OCCURRENCE date. Detection is normally later, so this OVERSTATES the delay — a 'late' verdict here may not be real.
Clock breakdown: Statute Window Elapsed Threshold Status
Maine
Discovered: Jun 22, 2024
→ Filed with AG: Sep 9, 2025
444d 90 days ME AG >90d
Maine
Discovered: Jun 22, 2024
→ Notified: Sep 9, 2025
444d 180 days ME resident >180d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Jun 22, 2024 → Filed with AG: Sep 9, 2025	444d	90 days	ME AG >90d
Maine	Discovered: Jun 22, 2024 → Notified: Sep 9, 2025	444d	180 days	ME resident >180d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 6 filings · 6 states

View merged incident ↗

Indiana State AGSep 9 · first

Nebraska State AGSep 9 · first

Maine State AGSep 9 · first · this page

Texas State AG+1d

Massachusetts State AG+1d

New Hampshire State AG+6d

Pattern: first filing Sep 9 (IN), last Sep 15 (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-a1252b4f8318/5bab1842-0f41-4494-a44f-b21db5f72a49.html
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Sep 9, 2025
Raw hash: d1ef771543cffe65eda21fc7605514346ec2047a2bde49683824801db2171a20

Linked disclosures

Ransomware claims (1)

Regulatory filings (5) · sorted by filing gap

Reporting entityMCDONALD HOPKINS LLC

Victim entityConference USA

Incidentdiscovered Jun 22, 2024

Stated responseCommenced a prompt and thorough investigation

ComplianceME AG >90d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov