During last Hackito Session, a group of passionate tech gathered and during one evening dug whatever they could on BTsync. The goal of this Hackito Session was to analyze the security of BTsync.
more here........http://2014.hackitoergosum.org/bittorrentsync-security-privacy-analysis-hackito-session-results/
more here........http://2014.hackitoergosum.org/bittorrentsync-security-privacy-analysis-hackito-session-results/