1. Steganography used to keep information confidential.

  2. Scotland Yard Computer Crime Unit recognized by IISSCC for training success.

  3. How many permutations of the 26 letter alphabet are there?
    math-cs:~/web> bc
    bc 1.06
    Copyright 1991-1994, 1997, 1998, 2000 Free Software Foundation, Inc.
    This is free software with ABSOLUTELY NO WARRANTY.
    
    26*25*24*23*22*21*20*19*18*17*16*15*14*13*12*11*10*9*8*7*6*5*4*3*2*1
    403291461126605635584000000
    
    403,291,461,126,605,635,584,000,000
    403 million     billion     billion