The Mac operating system provides a way for you to lock Excel with a password to prevent unauthorized use by using Keychain Access. Removing this password requires access to an administrator account.

Excel allows you to lock specific areas of a sheet with a password or protect the entire workbook. You can also set an Excel file to open in read-only mode and ...

Learn how you can open shared Office files on Android anonymously without breaking a sweat. Follow the simple steps outlined ...

Use the Ribbon Method (Alternative Option) If you prefer using the top menu, click on the worksheet you want to hide. Then go ...

A list of essential apps for playing media, getting fit, and other functions that I install first on any new phone.

Infostealer malware is the root cause of why your password is out there. It often spreads through malicious downloads, phishing emails and fake websites. Avoid downloading software or files from ...

Government agencies are continuously targeted by advanced persistent threats (APTs) from nation-state adversaries, requiring ...

Identities are today’s top attack vector. Here's how to build a layered security approach that reduces privilege risk across ...

As you can see from our pictures, the theme of Infosec 2025 is "Building a Safer Cyber World" - something you can bet we'll ...