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Threats & Attacks

CAPTCHA Evasion

A technique where attackers place a CAPTCHA in front of a phishing page to block automated security scanners from analyzing the malicious content.

Overview

Attackers know that most security tools use basic bots to scan URLs. By placing a fake or even a real CAPTCHA in front of their credential harvesting page, they force the security bot to bounce off, reporting the site as 'unscannable' or 'safe'. When a human victim solves the CAPTCHA, they are hit with the payload. PhiShark's Agentic AI is built to defeat this. Operating like a human, the AI autonomously interacts with the page, solves or bypasses the CAPTCHA, and validates the true underlying threat that legacy scanners miss.

Real-World Examples

  • Fake 'Verify you are human' screens hiding a Microsoft 365 login spoof
  • Using anti-bot services to block traditional SEG URL scanners
  • Interactive malicious pages requiring human-like engagement to reveal their payload

Related Terms

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