Every WhatsApp conversation has its own security code to indicate that the exchange is encrypted end-to-end. It is presented as both a 60-digit code and a QR code. Sometimes, the code will change, such as when someone switches devices or reinstalled the app. You can turn on notifications about these changes within WhatsApp settings so […]

If your computer were ever lost, you’d want the peace of mind that the data contained on it wouldn’t be recoverable by whoever stole or found it. Full-disk encryption is the best solution here. Both Microsoft Windows and Apple MacOS contain built-in utilities – BitLocker and FileVault, respectively – for encrypting all of your local […]

To prevent attackers from stealing your personal information, online submissions should be encrypted so that the appropriate recipient can only read it. Many sites use Secure Sockets Layer (SSL) or Hypertext Transport Protocol Secure (https). A lock icon in the bottom right corner of the window indicates that your information will be encrypted. Some sites […]

End-to-end encryption means a message is protected throughout its entire journey from sender to receiver. Many common forms of communication, from email to many chat apps, don’t enforce it, though. Look for apps that provide a detailed explanation of their encryption measures, and explore encrypted email if you are worried about the contents of your […]

All other wireless encryption methods are outdated and more vulnerable to exploitation. In early 2018, the Wi-Fi Alliance announced WPA3 as a replacement to the longstanding WPA2 wireless encryption standard. As WPA3-certified devices become available, users should employ the new standard.

Virtual private networks (VPNs) are helpful security utilities that encrypt your internet connection, hiding it from prying eyes. This strong protection is beneficial if you ever need to use public Wi-Fi. Think of your connection as a car and the VPN as a secure parking garage. Continuing the metaphor, the latter protects you from having […]