Forge: A Robust Multi-tab Website Fingerprinting Attack via Blind Source Separation

While Tor's strong anonymity shields users' privacy, it also enables malicious activities, motivating attacks that bypass its protections. Website Fingerprinting (WF) has emerged as a primary threat in this domain. However, existing WF methods struggle with realistic multi-tab browsing scenarios, often relying on prior knowledge of the number of open tabs and lacking robustness against network noise and defenses.