6 Tips to make your Mac Safer

In the wake of Flashback, everybody's asking if Macs are still safe. Here are six easy tips on how to be your own gatekeeper.

The Flashback Trojan went viral last week, infecting an estimated 1 percent of OS X computers worldwide. While the infection rate has subsided since then, that doesn't mean Mac owners should return to complacency.
It doesn't mean that there's cause for panic, either. Here are some common sense, effective tips for safeguarding your Mac against more malware.

  • Get a security suite: You can stop rolling your eyes now. Concerns about security suite performance generally come from the way that most security programs used to tie Windows into knots. While the Windows suites have gotten significantly better, their Mac counterparts have never taken such a harsh collective toll on their host machines.

    Avast for Mac

    It's important to have a security suite on your Mac because they block the kind of automatic drive-by downloads that afflict otherwise safe Web sites, and if one does get through, they can warn you when it attempts to install something. Around 70 percent of the top 100 Web sites have inadvertently distributed malware. In the case of Flashback, it actually had a piece of "greener pastures" code written into it that would abort the installation if it detected a security suite. Running a security program is just common sense. You can schedule a once-weekly scan, and have it protect you in the background the rest of the time.

    There are both free and paid options, including Avast (download), Sophos (download), ClamXav (download), Kaspersky (download, trial), and Intego (download, trial).
    If you're dead-set against running a full suite, at the very least use a browser tool that will check links to make sure they're safe before you load them. AVG LinkScanner (download) is a good place to start.

  • Lockdown Admin privileges: The default account that you create on your Mac is an Administrator account, which can be leveraged by the bad guys to infect your machine. Simple solution: create a non-Admin account for daily use such as e-mail, browsing, and music and video watching. Jump over to Admin when its necessary.

    Lockdown your Mac's Admin privileges.

  • Stay on top of software updates: Make sure that you let Software Update do its job. Programs are rarely updated on a whim, so make sure that you've got the latest versions because they may contain security fixes. This includes the latest security patches from software makers and Apple itself.

  • Ditch Adobe Reader if you can: Adobe has been notoriously slow in the past about patching security holes in Reader. They've gotten somewhat better, but why risk it when the latest Macs can handle most PDF-reading tasks on their own. Lion's Preview feature ought to take care of most of your PDF requirements, so if you're running 10.7 or later, you can safely uninstall Adobe's Reader. If you must keep it around, make sure that it's always updated to the latest version.

  • Get rid of Java and Flash, too: Again, this may not apply to you, especially if you run a program like Adobe's Creative Suite which (I'm fairly certain) relies on Java for some tasks. But if you use your Mac mostly for Web browsing, media, and document creation, and you're a big fan of Apple's own content-creation tools, you can probably uninstall Java and Flash without worry. It would also mean switching to Google Chrome (download), which is the only browser that comes with Flash built-in. Google updates Chrome regularly, and the browser has earned its reputation alongside Firefox as a safe browser that patches security problems when discovered.
    You can disable Java by going to the Applications folder then Utilities, and unchecking the Java version boxes under the General tab.

    How to deactivate Java on your Mac.

  • Take control of your passwords: Unlike Microsoft, Apple helpfully provides a solid password manager called Keychain. As often as possible, use "strong" passwords. This means random multi-word passwords, separated by spaces. If you want to get password syncing for multiple device and machine support, 1Password (download) or LastPass (download) are good places to start.

  • Do you have questions, comments, or suggestions? Feel free to post a comment! 

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    About Me

    Saint Andrew is a computer science student. Saint Andrew is a founder of the blog Saint Andrew's Hacking Paradise.

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