A misstep by an IT employee of Canadian communications conglomerate Rogers Communications allowed the contractual information of 50-70 of the company's business customers to be exposed via Twitter.
Canada deported self-proclaimed Anonymous member Matt DeHart.
Shared Services Canada plans to spend $55 million to upgrade IT infrastructure.
One of Canada's intelligence agencies has been secretly monitoring file downloads across the world for years.
Canada's companies are ill-prepared to meet modern cybersecurity challenges, according to a survey by the Ponemon Institute.
Cybercriminals often are specifically looking for credit card numbers that can be reused on other e-commerce sites or sold to the highest bidder on the digital black market.
Sophisticated bad guys are likely to assume that high-value targets have deployed the latest security technologies - this has been the case going back over a decade.