This week was one of revelations in the security world, most of them centered around nation-states pulling off ambitious hacks. In the wake of reports that Russia had used Kaspersky Lab software to steal NSA secrets, we took a look at the antivirus paradox that applies to every company selling it. And given reports that North Korea had attempted to hack a US energy utility, we looked at when exactly grid-attacks should freak you out.

Get in-depth coverage of current and future trends in technology, and how they are shaping business, entertainment, communications, science, politics, and society.