[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] obfuscation  obsolete code  OCTAVE (Software Operationally Critical Threat, Asset, and Vulnerability Evaluations) web site  off-the-shelf software  one-time pad cryptographic errors  online resources  open source monitoring (OSM)  Open Web Application Security Project (OWASP) web site  2nd  operating system, securing  operations      bad practices      case studies      ensuring sound practices      good practices  operations-level attacks  overdependence on developers