Sergey Bratus Nihal D'Cunha Evan Sparks Sean W. Smith TOCTOU, Traps, and Trusted Computing. 14-32 2008 TRUST http://dx.doi.org/10.1007/978-3-540-68979-9_2 conf/trust/2008 db/conf/trust/trust2008.html#BratusDSS08