HackingOtherVulnerability ExploitZero-DayData ExfiltratedTargetedIdentity (basic)Government IDMediumContained

NCH CORPORATION

bd_bde6387b34cfc361 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Nov 25, 2025

Filed

Dec 5, 2025

To disclose

10 days

Affected

2state residents only

Linked

18 filings

Confidence

65%

Full breach record for NCH CORPORATION →4 incidents on file

NCH Corporation reported a data breach affecting 2 Maine residents. An unauthorized actor exploited a previously unknown vulnerability (0-day) in Oracle E-Business Suite in mid-August 2025 to exfiltrate files containing names and Social Security numbers. NCH discovered the incident on November 25, 2025, applied the Oracle patch, engaged third-party forensic investigators, notified law enforcement, and sent notification letters on December 5, 2025, offering one year of credit monitoring.

J jump to incidentP pin to compareR raw source

Maine clockDiscovered Nov 25, 2025 → Filed with AG Dec 5, 202510d ✓ ME AG ≤30d10 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 · 116 days

discovery → filing · 10 days

Aug 1, 2025

Begins

Nov 25, 2025

Discovered

Dec 5, 2025

Filed

vs. sector median

6 wks faster

This filing is one of 18 about the same incident.View merged incident

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Siteembargobd_1baf0331620d3d062026-03-09 · +95dVerified by operator

Regulatory filings (9) · sorted by filing gap

Massachusetts State AGbd_42dfca2c52713f4a2025-12-05Verified
Texas State AGbd_36bfa79ae2b695442025-12-09 · +4dVerified
New Hampshire State AGbd_2a8be8acf60543c62026-05-01 · +147dVerified by operator
Vermont State AGbd_4194fd4f05a95e972026-05-01 · +147dVerified by operator

Show 5 more filings ↓up to 151d gap

Maine State AGbd_43ee4726090e90612026-05-01 · +147dVerified
Indiana State AGbd_b1ef5142cadc51242026-05-01 · +147dVerified by operator
Massachusetts State AGbd_df70bf7a043fe76e2026-05-01 · +147dVerified by operator
Nebraska State AGbd_f4b9cb299ae5fa902026-05-01 · +147dVerified by operator
Texas State AGbd_f1f602a50bc76d642026-05-05 · +151dVerified

Showing first 10 of 17 linked disclosures.

Name: NCH CORPORATION
norm: nch
Domain: nch.com

Name: NCH CORPORATION
norm: nch
Domain: nch.com
Industry: Otherllm

Discovered: Nov 25, 2025
Breach occurred: Aug 1, 2025 – Aug 31, 2025
Undetected for: 116 daysoccurrence → discovery
Materiality determined: Nov 25, 2025
Notification sent: Dec 5, 2025
Affected individuals: 2state-resident count only
Data types: Identity (basic)Government ID
Data elements: Social Security number
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Regulator citations: Notified Maine Attorney General
Initial access: exploit_public_facing

During the incident: Implemented its response procedures
Took measures to secure its implementation of Oracle EBS
Launched an investigation with the support of third-party cybersecurity professionals
Notified law enforcement and is supporting its investigation
Mailing notification letters via First-Class mail to the Maine residents
Offering individuals a complimentary, one-year membership to credit monitoring and identity protection services
Established a dedicated, toll-free call center
Changes made: Applied the patch that Oracle developed for Oracle EBS after the vulnerability was discovered
Took other measures to secure its Oracle EBS instance
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 10 days(10 days from discovery to filing)
Compliance flags: ME AG ≤30d · 10d
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: Nov 25, 2025
→ Filed with AG: Dec 5, 2025
10d 30 days ME AG ≤30d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Nov 25, 2025 → Filed with AG: Dec 5, 2025	10d	30 days	ME AG ≤30d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 10 filings · 7 states

View merged incident ↗

Massachusetts State AGDec 5 · first

Maine State AGDec 5 · first · this page

Texas State AG+4d

New Hampshire State AG+147d

Vermont State AG+147d

Maine State AG+147d

Indiana State AG+147d

Massachusetts State AG+147d

Nebraska State AG+147d

Texas State AG+151d

Pattern: first filing Dec 5 (MA), last May 5 (TX) — a 151-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

Cascade drawn from the first 10 linked disclosures of 17 — the full spread may be wider.

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-a1252b4f8318/4749fc5d-fe3e-4478-81e7-9002330b4b3b.html
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Dec 5, 2025
Raw hash: 60ef996b781440cfafe31a77442b2db2663b4324f0e2bb53fd3b995c432b6685

Linked disclosures

Ransomware claims (1)

Regulatory filings (9) · sorted by filing gap

Reporting entityNCH CORPORATION

Victim entityNCH CORPORATION

Incidentdiscovered Nov 25, 2025

Stated responseImplemented its response procedures

ComplianceME AG ≤30d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov