https://blog.it-learn.io/tags/watering-hole/Recent content in Watering-Hole on it-learn.io | IT, Networking & Cybersecurity BlogHugoen-usSun, 12 Apr 2026 00:00:00 +0000https://blog.it-learn.io/posts/2026-04-12-watering-hole-attack-they-compromised-the-site-you-trust/Sun, 12 Apr 2026 00:00:00 +0000https://blog.it-learn.io/posts/2026-04-12-watering-hole-attack-they-compromised-the-site-you-trust/<p>In February 2017, a bank&rsquo;s security team was reviewing the JavaScript source code of the Polish Financial Supervision Authority (KNF) website — a regulatory portal they were required to visit regularly. They found something unexpected: an obfuscated JavaScript snippet that fingerprinted visitors and selectively redirected specific targets to an exploit kit landing page. The KNF site had been compromised. The attackers had turned the regulator&rsquo;s own website into a trap for the banks it supervised.</p>