BOT (Network Security Threat)
This was an amazing coincidence. It was published on the AVENUE page of The National Post June 22, 2007. Seven days later a car bomb was found in London. Quite the coincidence indeed.
When the letters are arranged as a crossword, they have even greater meaning. We took the liberty of turning 'XO' into Hug/Kiss. We had an 'i' left over. It can mean an imagery function that generates spectral signatures for an image to outlines regions of interest. London?