For other software, it's safer to get updates from the developer's site or from the menu item 'Check for updates', rather than installing from any notification window that pops up while you're surfing the web. Use Software Update for your Mac software.

Always keep your Mac and application software updated.

For added security, make sure all network, email, financial and other important passwords are long and complex, including upper and lower case letters, numbers and special characters.Don't open files that you receive from unknown or untrusted sources.Never let someone else have access to install anything on your Mac.If you're not sure about an app, ask in this forum before installing. Be careful to only install software from trusted, reputable sites.Change your DNS servers to OpenDNS servers by reading this.(This is not to be confused with JavaScript, which you should leave enabled.) Leave this unchecked until you visit a trusted site that requires Java, then re-enable only for your visit to that site. This will protect you from malware that exploits Java in your browser, including the recent Flashback trojan. Uncheck 'Enable Java' in Safari > Preferences > Security.

Uncheck 'Open 'safe' files after downloading' in Safari > Preferences > General.Make sure your built-in Mac firewall is enabled in System Preferences > Security > Firewall.Try it for free or download Sophos Home Premium for Mac today to get business-grade security at home. It provides much more than traditional antivirus, going above and beyond to keep all your computers protected from the latest advanced cybersecurity threats. Overall, Sophos Home Premium for Mac is a powerful security solution for your home computers. It works for both Macs and Windows PCs, no matter where they are in the world. View and manage the computer security for anyone in your life from your centralised hub. Sophos Home Premium for Mac also keeps it simple, allowing you to secure any computer, from any computer.

With powerful web filtering, you can also automatically block malicious websites and control access to content with parental web filtering and reports. It even helps you reclaim your PC, by performing a deep scan to detect malware and unwanted applications, then cleaning your system to improve speed and increase your security. On top of business-grade antivirus, Sophos Home Premium for Mac also works to detect and stop ransomware in its tracks, keeping your files secure.

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