Enlarge (credit: ANDRZEJ WOJCICKI / SCIENCE PHOTO LIBRARY / Getty Images) In the first half of this guide to personal digital security, I covered the basics of assessing digital risks and protecting what you can control: your devices. But the physical devices you use represent only a fraction of your overall …

Enlarge / Artist's impression of how to keep your digital stuff safe from all kinds of threats. (credit: Aurich Lawson | Getty Images) I spend most of my time these days investigating the uglier side of digital life—examining the techniques, tools, and practices of cyber criminals to help people better …