If you're going to blame a cyberattack on North Korea, you better show your work | WHAT REALLY HAPPENED


If you're going to blame a cyberattack on North Korea, you better show your work

Figuring out who's behind a cyberattack is hard — something that cybersecurity experts will tell you time and time again.

It's why some were understandably surprised when the Ontario regional transit operator Metrolinx claimed on Tuesday evening that it had fallen victim to a North Korean cyberattack.

So far, neither Metrolinx nor the Ontario government have offered any evidence to back up that claim. The lack of information has made it difficult to understand the severity of the attack, let alone know how Metrolinx concluded North Korea was to blame.

"Coming out publicly, saying it was a particular nation state, escalates the stakes for no apparent reason," said Mark Nunnikhoven, who is a vice president at the cybersecurity company Trend Micro.

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