Austin, Texas (CNN) -- Even though he can't set foot in the United States for fear of arrest, fugitive National Security Agency whistleblower Edward Snowden has joined the speakers' roster at this year's South by Southwest Interactive Festival.

Snowden, who fled the United States in June with thousands of top-secret documents, will appear via teleconference Monday from Russia for a discussion about how the tech community must defend itself against mass surveillance.

Snowden will chat with Christopher Soghoian, principal technologist with the American Civil Liberties Union's Speech, Privacy and Technology Project.

"The conversation will be focused on the impact of the NSA's spying efforts on the technology community and the ways in which technology can help to protect us from mass surveillance," an SXSW news release says.

Fugitive and whistleblower Edward Snowden to speak at SXSW - CNN.com