Steve Beattie Seth Arnold Crispin Cowan Perry Wagle Chris Wright Adam Shostack Timing the Application of Security Patches for Optimal Uptime. 233-242 2002 conf/lisa/2002 LISA http://www.usenix.org/publications/library/proceedings/lisa02/tech/beattie.html db/conf/lisa/lisa2002.html#BeattieACWWS02