a field guide to passive reconnaissance and indirect attacks Zalewski, Michal. creator text Mumbai Shroff Publishers & Distributors PVT.LTD. c2005 monographic xxv, 281 pages : Illustrations ; Includes index. Computer networks - security measures Computer security Computer networks TK 5105.59 ZAL 1593270461 (pbk.) 8184040598 http://www.loc.gov/catdir/enhancements/fy0715/2004009744-d.html http://www.loc.gov/catdir/enhancements/fy0715/2004009744-d.html