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How I stopped a massive WordPress spam attack with 4,700 lines of code in two days - thanks to Codex and Claude

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Why This Matters

This article highlights how AI tools like Codex and Claude can be leveraged by developers to rapidly counteract sophisticated spam attacks on websites, showcasing the evolving role of AI in cybersecurity. For consumers and the tech industry, it underscores the importance of adopting AI-driven solutions to enhance website security and combat increasingly complex threats.

Key Takeaways

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ZDNET's key takeaways

Spammers found ways in and flooded my database.

Claude and Codex became my emergency coding team.

The 4,700-line fix added stronger defenses and cleanup tools.

About a month ago, my main website was on the receiving end of a new attack. Spammers were using the username field as a message carrier, stuffing it with a fake domain and crypto bait such as "check balance," "withdraw funds," "BTC transfer" and "action required." WordPress then helpfully forwarded that payload to me in thousands of "new user registration" emails.

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At that time, my server was using a commercially purchased security product that was supposed to protect my WordPress website from registration spam. That product clearly wasn't up to the task.

I'm the developer of a WordPress security plugin that is designed to help users restrict access to their websites. Since the registration spam security product I had been paying for wasn't working, I decided to build a spam security capability into my existing plugin.

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