In Canada, the worm was detected and quickly eliminated on computer systems at Bank of Montreal, Bank of Nova Scotia, the Quebec Ministry of Transportation and at some Ontario court offices.

The worm that attacked the agency (W32/IRCBot-TO) was first identified in January 2007, joining thousands of other worms that have been launched into cyberspace over the last few years.

April 1 has arrived and so far the heaviest traffic around the much-anticipated Conficker worm has likely been in the April Fools’ jokes about it. However, there’s still plenty of time yet for ...