Japanese software company Helpfeel has confirmed a data breach on its screenshot-sharing platform Gyazo, in which attackers exploited a vulnerability in its image upload server, stealing approximately 23.62 million user records and metadata tied to hundreds of millions of images. Gyazo is a cloud-based screenshot and screen-recording service that uploads users’ captures automatically and generates a shareable link they can post in chats, forums, or social media.
Hackers exploit Gyazo server flaw to steal 23.6 million user records
About this summary. This is a short, independently written summary of an article first published by Help Net Security. Cyber Security News did not report or verify the underlying story. Read the original: https://www.helpnetsecurity.com/2026/09/21/helpfeel-gyazo-data-breach/

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