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Gyazo Data Breach Exposes 23 Million User Records

A Gyazo breach exposed 23 million user records after attackers exploited a vulnerability in Helpfeel’s image upload server. Japanese software company Helpfeel is notifying Gyazo users about a data breach that compromised 23 million user records. Attackers gained unauthorized access by exploiting a vulnerability in the service’s image upload server. “We have confirmed that approximately […]

Pierluigi Paganini September 18, 2026

Japanese software company Helpfeel is notifying Gyazo users about a data breach that compromised 23 million user records. Attackers gained unauthorized access by exploiting a vulnerability in the service’s image upload server.

Source: https://securityaffairs.com/199338/data-breach/gyazo-data-breach-exposes-23-million-user-records.html

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