Excel has three visibility levels for worksheets: visible, hidden, and very hidden. Making worksheets very hidden in Excel reduces the chances of other people accessing them. To make a sheet very ...

To help readers follow the instructions in this article, we used two different typefaces: Boldface type is used to identify the names of icons, agendas and URLs. Sans serif type shows the names of ...

A new targeted phishing campaign includes the novel obfuscation technique of using Morse code to hide malicious URLs in an email attachment. Samuel Morse and Alfred Vail invented morse code as a way ...

Malware on Apple's MacBook and iMac lines is more prevalent than some users realize; it can even hide in Apple's curated Mac App Store. But the relatively strong defenses of macOS make it challenging ...