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Hacker Conversations: Vinnie Liu, Performer Turned Ringmaster
SecurityWeek interviews Bishop Fox CEO Vinnie Liu, recruited by the NSA at 17 in 1999, on hacker ethics, intent, and his career.
SecurityWeek's Hacker Conversations series profiles Vinnie Liu, who was recruited by the NSA in 1999 at age 17 via an IRC contact and later became CEO of security consulting firm Bishop Fox. The interview covers his white-hat philosophy that hacking for fun differs from hacking to harm, the moral development he attributes to parents and educators, and the industry's shift from the NSA to commercial firms like @stake after its 2000 acquisition of L0pht Heavy Industries. The piece is biographical and opinion-oriented with no incident, vulnerability, or research content.
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Sociotechnical Aspects of Tor Relay Rejection
User study and simulations of Tor's relay end-of-life rejection policy find operators favor it; network churn affects anonymity more than EoL exclusions.
The study examines the Tor Project's 2019 end-of-life policy that rejects outdated relays, which constitute a notable fraction of consensus weight. A user study of 26 relay operators found they generally view the policy favorably despite limited awareness, though operational practices occasionally exclude newly installed relays. Historical-data-driven simulations show the policy gives adversaries only marginal advantage, with network churn exerting a more pronounced effect on user anonymity. Analysis of four exclusion rounds shows a minority of rejected relays typically account for over 50% of the security provided by all excluded relays, informing EoL policy recommendations.
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