We have some more current events to discuss here at Bits & Bytes this month, namely the recent cyberattack on 4chan. For over two decades, 4chan has been a cornerstone of online culture (for better or worse), known for its anonymity and unfiltered discussions. However, the breach this week has revealed significant lapses in security, jeopardizing user data and the integrity of the site. This incident serves as yet another stark reminder of the importance of robust cybersecurity practices in an increasingly interconnected digital age.
What is 4chan?
4chan is an anonymous imageboard that has been a hub for internet culture, memes, and controversial discussions since its launch in 2003. Known for its unfiltered content and chaotic nature, 4chan has played a pivotal role in the evolution of modern online communities. However, its anonymity and lack of stringent moderation have also made it a breeding ground for harmful content, conspiracy theories, and bad information. Personally, I struggle to think of any true purpose that 4chan serves aside from proliferating hate and misery, but at least after this week we can also look to them for an example of what not to do when it comes to online security.
The Hack: What Happened?
On April 14, 2025, 4chan fell victim to a major cyberattack orchestrated by a rival image board called Soyjack Party (who are actually a splinter site built by disillusioned former 4chan users). The hackers exploited outdated software, including PHP from 2016, to gain access to the site's backend; they then proceeded to leak a whole trove of sensitive data including user email addresses, IP logs, admin and moderator identities, and even the site's source code. Additionally, 4chan as a whole went dark for nearly half a day. This breach has not only compromised user privacy and anonymity but has also raised questions about the site's future.
Preventive Measures: What Could Have Been Done?
- Regular Software Updates: The use of outdated PHP software was a critical vulnerability. Regular updates and patches could have closed security gaps and prevented exploitation.
- Enhanced Encryption: Implementing robust encryption protocols for user data would have minimized the impact of the breach.
- Penetration Testing: Routine security audits and penetration testing could have identified weaknesses before they were exploited.
- Two-Factor Authentication: Enforcing two-factor authentication for administrators and moderators would have added an extra layer of security.
Steve Shannon has spent his entire professional career working in tech. He is the IT Director and Lead Developer at PromoCorner, where he joined in 2018. He is, at various times, a programmer, a game designer, a digital artist, and a musician. His monthly blog "Bits & Bytes" explores the ever-evolving realm of technology as it applies to both the promotional products industry and the world at large. You can contact him with questions at steve@getmooresolutions.com.