After the hacking trial, he lived in Melbourne as a programmer and a developer of free software. In 1995, Assange wrote Strobe, the first free and open source port scanner. Starting around 1997, Assange co-invented “Rubberhose deniable encryption”, a cryptographic concept made into a software package for Linux designed to provide plausible deniability against rubber-hose cryptanalysis , which he originally intended “as a tool for human rights workers who needed to protect sensitive data in the field”. __