People often send email to the wrong address by mistake. But what happens if the email address is invalid?

When using your company's machine and/or network, it's safe to assume that your boss or IT department can see your emails, instant messages, and everything else.

Train your spam filter to stop emails you want from going to your spam folder.

Facebook impersonation is common and annoying, but typically does not represent a direct security threat.

Spammers want to send email that looks like it’s coming from someone who can be trusted. They want it to look like it’s coming from you -- and you end up getting the bounce notifications.

Clearing all cookies can be painful. Fortunately, it's also possible to clear cookies one site at a time.

Bad Wi-Fi signal strength? A range extender need not be expensive, and can be a handy and flexible solution.

Microsoft will show you how much space your Hotmail/Outlook.com/Microsoft account is using, if you know where to look.

Another week, another breach. What steps should you take in the wake of the latest large-scale data breach?

Phishing is epidemic. Legitimate-looking emails asking for sensitive information are often bogus. Phishing is on the rise, and you need to be aware.