4chan goes dark as alleged hacker attacks takes the website down

Users have been unable to access 4chan since early Tuesday, with complaints flooding outage monitoring sites. Security researchers claim the outage may be linked to a “comprehensive hack.”

The outage has been reported since the early hours of Tuesday, with thousands of users reporting the site is inaccessible on Downdetector.com, a website outage monitoring site. Some users theorized that a data breach could be responsible for the unexpected outage.

We have reached out to 4chan for comment and will update the article once we receive a reply.

Cybernews researchers looked into the hack claims and discovered unknown actors sharing lists with supposed 4chan’s moderator’s login credentials as well overall platform’s staff mailing list.

Image by Cybernews.

However, at the time of writing it is unclear whether the data is legitimate.

According to security researcher Priit Rebane, 4chan’s servers were hacked with attackers posting images of admin view, leaking the website’s source code, and sharing posts from the private 4Chan moderator board.

“Seems like the attacker had shell access on the server, so this might not be all. The site itself is down right now,” Rebane posted on Mastodon.

4chan, the internet’s litter box, got hacked. https://infosec.exchange/@rebane2001/114341178486935903

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undefined Kevin Beaumont (@GossiTheDog.cyberplace.social.ap.brid.gy) April 15, 2025 at 12:22 PM

The site was indeed unavailable at the time of writing.

Meanwhile, Kevin Beaumont, cybersecurity researcher and former senior threat intelligence analyst at Microsoft, said the outage looks like an attack that might take the site out for a long period of time.

If confirmed, the attack could significantly impact the website’s operations. For one, “shell access” exposes administrative tools, user data, and other sensitive information.

Users claim this to be the last post on 4chan. Image by Zappit.

This level of access could enable attackers to modify the site’s functionality, allowing threat actors to insert malicious code or delete essential data.

4chan is an anonymous imageboard infamous for allowing users to post at times extreme content.

This is a developing story, and we’ll update it once more details are available.

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