DisclosureLens
UnknownTechnologyInformationPIIMedium

Informa

bd_b2bf3159fa1a9e00 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Dec 7, 2025

Filed

Jan 2, 2026

To disclose

26 days

Affected · nationwide

1,2435 in this filing

Linked

4 filings

Confidence

60%
Full breach record for Informa →6 incidents on file

Informa, including Informa Exhibitions U.S. Construction and Real Estate, Inc. and Informa TechTarget, reported a cybersecurity incident occurring between August 11 and August 18, 2025, discovered on December 7, 2025. The breach affected 1,243 individuals, including 5 Maine residents. The specific nature of the breach and data types acquired were not detailed in the filing. Informa provided 24 months of complimentary credit monitoring and fraud protection through Experian to affected individuals.

Maine clockDiscovered Dec 7, 2025 → Filed with AG Jan 2, 202626d ✓ ME AG ≤30d26 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 · 118 days
discovery → filing · 26 days

Aug 11, 2025

Begins

Dec 7, 2025

Discovered

Jan 2, 2026

Filed

vs. sector median

15 wks faster

This filing is one of 4 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (3) · sorted by filing gap

Filing propagation · 4 filings · 4 states

View merged incident ↗
Indiana State AGJan 2 · first
Vermont State AGJan 2 · first
Massachusetts State AGJan 2 · first
Maine State AGJan 2 · first · this page

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.