
4chan Is Back Online After Major Hack
CybersecurityHackingData LeaksVulnerabilities
The 4chan website is back online after a major hacking attack on April 27, 2025. The hackers used a zero-day exploit to take the site offline. 4chan developers quickly responded by isolating the hacked servers, restoring clean backups, and installing emergency security updates in just eight hours. Although some internal data, such as moderators' emails, were leaked, most user accounts remained secure.