HackingTechnologyInformationStolen CredentialsTargetedIdentity (basic)Financial accountLowContained

AmpUp

bd_ee2946366e9c992a · schema v1 · pii pii-v1

Severity

Low

Discovered

Nov 17, 2025

Filed

Dec 22, 2025

To disclose

5 weeks

Affected

2state residents only

Linked

5 filings

Confidence

66%

Full breach record for AmpUp →

AmpUp, Inc. reported an unauthorized access to its Stripe online payment platform on October 25, 2025. An unauthorized user leveraged a Stripe API Key to initiate fraudulent financial transactions. The breach was discovered on November 17, 2025, after forensic investigation. Two Maine residents were affected. AmpUp reversed transactions, rotated passwords, and implemented additional access controls. Notification letters were sent on December 22, 2025.

J jump to incidentP pin to compareR raw source

Maine clockDiscovered Nov 17, 2025 → Filed with AG Dec 22, 202535d ⏱ ME AG >30d5 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 · 23 days

discovery → filing · 5 weeks / 35 days

Oct 25, 2025

Begins

Nov 17, 2025

Discovered

Dec 22, 2025

Filed

vs. sector median

14 wks faster

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

Linked disclosures

Why this link?

Regulatory filings (4) · sorted by filing gap

Indiana State AGbd_1ce574c0effd870c2025-12-22Verified
Vermont State AGbd_7296064165221cde2025-12-22Verified
Massachusetts State AGbd_58cdd81ffa637dbf2025-12-23 · +1dVerified
New Hampshire State AGbd_b705ab0a7d335a2f2025-12-29 · +7dVerified

Name: AmpUp
norm: ampup
Domain: ampup.ai

Name: AmpUp
norm: ampup
Domain: ampup.ai
Industry: Technologyllm

Discovered: Nov 17, 2025
Breach occurred: Oct 25, 2025
Undetected for: 23 daysoccurrence → discovery
Materiality determined: —
Notification sent: Dec 22, 2025
Affected individuals: 2state-resident count only
Data types: Identity (basic)Financial account
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1114 Email Collection
Threat actor: ExternalFinancial
Initial access: valid_credentials

During the incident: Commenced a prompt and thorough investigation
Worked very closely with external cybersecurity professionals
Reversed the transactions
Rotated all passwords
Implemented additional access controls
Changes made: Implemented additional access controls
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 5 weeks(35 days from discovery to filing)
Compliance flags: ME AG >30d · 35d
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 17, 2025
→ Filed with AG: Dec 22, 2025
35d 30 days (soft) ME AG >30d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Nov 17, 2025 → Filed with AG: Dec 22, 2025	35d	30 days (soft)	ME AG >30d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 5 filings · 5 states

View merged incident ↗

Indiana State AGDec 22 · first

Vermont State AGDec 22 · first

Maine State AGDec 22 · first · this page

Massachusetts State AG+1d

New Hampshire State AG+7d

Pattern: first filing Dec 22 (IN), last Dec 29 (NH) — a 7-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/f58119f5-76c8-4a55-91c7-bddd95e54233.html
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Dec 22, 2025
Raw hash: 388f9db12d2383d4093a9dcc635694215cd4d18a4d65d26606fdeaa44e5bc7e5

Linked disclosures

Regulatory filings (4) · sorted by filing gap

Reporting entityAmpUp

Victim entityAmpUp

Incidentdiscovered Nov 17, 2025

Stated responseCommenced a prompt and thorough investigation

ComplianceME AG >30d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov