I read Countdown to Zero Day: Stuxnet and the Launch of the World's First Digital Weapon a few weeks ago, and really enjoyed it. I'd recommend giving it a read

I read Countdown to Zero Day: Stuxnet and the Launch of the World's First Digital Weapon a few weeks ago, and really enjoyed it. I'd recommend giving it a read. It gives an accurate-but-uncomfortable overview of how the US government handles cyber security issues.