A Windows security developer says this is the biggest threat to your PC

This simple fix closes one of Windows' biggest security gaps.

- ALAINA YEE

Cybersecurity can be complicated. (I sat in on a penetration testing session during the RSAC's cybersecurity conference this week, and I don't envy them their jobs.) But not all of it is—especially when it comes to big wins for us everyday users.

Take a look at the big red arrow on the page opposite. It's pointing to the Administrator account. That is what David Weston, CVP of Enterprise and OS Security at Microsoft, says is the biggest security threat to your PC.