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Discussion in 'macOS' started by XPcentric, Jul 25, 2012.
If I use an account with non admin privilege, can OSX run viruses ?
There is no disadvantage to running either an admin or standard user account. Macs are not immune to malware, but no true viruses exist in the wild that can run on Mac OS X, and there never have been any since it was released over 10 years ago. The only malware in the wild that can affect Mac OS X is a handful of trojans, which can be easily avoided by practicing safe computing (see below). Also, Mac OS X Snow Leopard and Lion have anti-malware protection built in, further reducing the need for 3rd party antivirus apps.
Mac Virus/Malware FAQ
Make sure your built-in Mac firewall is enabled in System Preferences > Security > Firewall
Uncheck "Open "safe" files after downloading" in Safari > Preferences > General
Change your DNS servers to OpenDNS servers by reading this.
Be careful to only install software from trusted, reputable sites. Never install pirated software. If you're not sure about an app, ask in this forum before installing.
Never let someone else have access to install anything on your Mac.
Don't open files that you receive from unknown or untrusted sources.
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.
Always keep your Mac and application software updated. Use Software Update for your Mac software. 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.
That's all you need to do to keep your Mac completely free of any Mac OS X malware that has ever been released into the wild. While you may elect to use it, 3rd party antivirus software is not required to keep your Mac malware-free.
It does not really matter either way.