Know Your Enemy: Browser-Based Attack Techniques in 2026
Sep 30, 2026
Web Security / Phishing
Given that the browser is where business apps are accessed and used, it makes sense that attacks are happening there too. Most breaches today begin in a browser session. Often, they never leave it, with the entire attack chain from initial access to exfiltration playing out in the browser. Here are the six most dangerous techniques that should be on every security team's radar in 2026. 1. Phishing for credentials and sessions Modern phishing kits don't just steal passwords — they intercept live sessions. Reverse-proxy adversary-in-the-middle (AiTM) kits like Tycoon2FA, Sneaky2FA, and Evilginx relay credentials and session tokens in real time, bypassing most forms of MFA. These kits are sold as turnkey Phishing-as-a-Service platforms with anti-bot protection, dynamic lure generation, and automated session replay — reducing the barrier to sophisticated phishing to effectively zero. At the same time, phishing delivery has moved well beyond email — attackers deliver link...