Jacob Appelbaum

American computer security researcher (born 1983)

Jacob Appelbaum is a prominent American computer security researcher and independent journalist, born in 1983. He has made significant contributions to the field of online anonymity, notably as a core member of the Tor Project, a free software network. Appelbaum's work has also extended to collaborations with WikiLeaks, where he utilized leaked NSA documents from Edward Snowden to produce journalistic pieces for Der Spiegel, earning him widespread recognition.

Appelbaum's involvement in the hacker community is evident through his affiliation with the Cult of the Dead Cow collective, under the pseudonym "ioerror", from 2008 to 2016. He co-founded the San Francisco hackerspace Noisebridge and has worked with various organizations, including Kink.com, Greenpeace, and the Ruckus Society. Additionally, Appelbaum has volunteered for the Rainforest Action Network and served on the Technical Advisory Board of the Freedom of the Press Foundation. His expertise has also led to him representing Julian Assange at computer security forums when Assange was unable to attend. Appelbaum holds a PhD from the Eindhoven University of Technology, further solidifying his credentials as a leading figure in computer security research and activism.