Given the many threats to personal computers, no single security tool or technique can protect you against all forms of attack.
The best defense against malicious hacking and snooping uses multiple layers of security that backstop each other, ensuring that no single failure leads to an infection.
Revising and updating some old advice
Bob, a long-time reader, sent in this plea:
- “Over the years, you’ve commented on the use of multiple layers of security. But I often see news stories about computer crackers recovering data and emails from computers. Once, when I was sick, anyone could have entered my office and snooped for days.
“What can I use to protect against snoops accessing my programs and data?
Good timing, Bob; I was thinking about this just the other day! It was back in the 1990s that I first recommended using multilayered defenses for PC security. I updated that advice in the early 2000s and again a few years later. It’s time to revisit the concept — and to update the advice.