[SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [K] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] [Y] [Z] back doors      attack  backups, tape  bad code      psychological factors      real-world factors      technical factors  bad practices     during design      during implementation      during operations  Bar-Gad, Izhar  Barcalow, Jeffrey  bastion host  Beattie, Steve  Bellovin, Steven M.  Bentley, Jon  Bishop, Matt  bit rot  bit-twiddling attack  black-box testing  book resources  bounds checking  Brooks, Frederick P.  2nd  buffer overflow attack  buffer overflows  bugs     cost of fixing      estimates  Butler, Shawn A.