BreachCensus

Plug Power Inc

ManufacturingUnited States of America

Plug Power Inc is a manufacturing organisation in Massachusetts. It appears on the Massachusetts Attorney General breach-notification register with 2 confirmed incidents; the most recent notice was filed on December 29, 2023.

Data as of September 6, 2026.

Confirmed incident

US-MA

Disclosed
December 29, 2023

Timeline

  1. December 29, 2023
    Reported to regulator Regulator

    MA AG breach notification: 178 Massachusetts residents affected

    source
What a Massachusetts notice means

Required under M.G.L. c. 93H. Notice to the Attorney General is required for a breach affecting any number of Massachusetts residents' personal information -- the statute sets no minimum count.

Note: the count is Massachusetts residents only, not a total.

Massachusetts breach-notification register ↗

Unverified claim

US — Ransomware Attack

This is an unverified claim — it has allegedly happened to this organisation, as posted by a source below, but has not been confirmed by a regulator, a court filing or the organisation’s own disclosure.

Timeline

  1. September 15, 2025
    Claimed by threat actor (unverified) Claim

    Ransomware leak-site claim (ransomware_live)

    source