DisclosureLens
HackingTechnologyInformationStolen CredentialsCustomer Data InvolvedData ExfiltratedIdentity (basic)Financial accountLowContained

AmpUp

bd_b705ab0a7d335a2f · schema v1 · pii pii-v1

Severity

Low

Discovered

Oct 25, 2025

Filed

Dec 29, 2025

To disclose

9 weeks

Affected

2state residents only

Linked

5 filings

Confidence

66%
Full breach record for AmpUp →

AmpUp, Inc. experienced 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. Approximately 2 New Hampshire residents were affected. The incident involved full names and payment card/financial account information. AmpUp contained the incident, reversed transactions, rotated passwords, and implemented additional access controls. No malware was involved.

Incident timeline

discovery → filing · 9 weeks / 65 days

Oct 25, 2025

Begins

Oct 25, 2025

Discovered

Dec 29, 2025

Filed

vs. sector median

9 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

Filing propagation · 5 filings · 5 states

View merged incident ↗
Indiana State AGDec 22 · first
Vermont State AGDec 22 · first
Maine State AGDec 22 · first
Massachusetts State AG+1d
New Hampshire State AG+7d · this page

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.