Security of Tor Pluggable Transports: A Comprehensive Survey of Vulnerabilities, Attacks, and Countermeasures
Tor Pluggable Transports (PTs) constitute the most widely deployed censorship-circumvention layer for an estimated 2.0 to 2.5 million daily Tor users, yet their security has been assessed only through isolated, protocol-specific analyses. This survey presents the first joint vulnerability, attack, and defense framework...