It's easy to get virus when your Mac is connected to the Internet, here are things you must know to protect your Mac from being hacked.

1. Take proactive steps to prevent getting virus

Here are some quick and easy things you can do to avoid downloading a virus again:

  • Install the latest software updates for Mac

mac updateMake sure all your software and apps are up to date and that you’ve installed the latest OS fixes and updates directly from Apple. Updating your antivirus software will help protect your Mac against viruses and malware. Keeping it up to date is critical because new viruses are being created all the time – so even if you bought your antivirus a month ago, it might need updating now.

  • Back up your data regularly

mac time machine

Make regular backups of your files and store them on an external hard drive or use the Time Machine. This can help prevent the loss of important information should you get another virus. If you haven't been making backups before, now is a good time to start.

  • Avoid clicking on pop-up messages that claim to have detected a problem with your Mac

mac security privacySecurity&Privacy integrated in the macOS Sierra will help you to some extend. However, you must be careful all the time.

If you see any kind of message while browsing the internet along the lines of “a problem has been detected with your Mac” – this is highly likely to be an attempt to get you to download malware.

Ignore the message. If you did download anything from the site, quit Safari (or whichever browser you’re using), go to the Downloads folder and drag any items in there to the Trash. Then empty the Trash. Avoid visiting the website again because it’s possible it has been hacked.

  • Do not open any suspect links.

Be wary of opening emails from addresses you don’t recognize, especially if they contain a link or an attachment

2. Know when your Mac is affected by a virus

Many Mac users think they can’t get viruses or malware. This isn’t true, even though the amount of viruses and malware targeting Mac computers is lower than for PCs and laptops. First, I think it is hard to detect a virus. It’s not always obvious that your computer is infected. But, if you find

  • A very slow running Mac
  • Pop-up messages that appear out of nowhere and are hard to get rid of
  • Computer programs starting that you don’t recognize or didn’t start up yourself
  • The sound of the hard drive in constant action

Any one of these symptoms might be caused by a virus. If you’re experiencing two or three of them at the same time, that’s a strong indication that you’ve got a virus. Try Disk Utility to conduct the first aid.

mac disk utility

If problems are not solved and you haven't already download an antivirus program now. Dr.Safety is highly recommended here.

Dr. Safety

3. Install an antivirus program

Make sure your Mac is safe and secure using Dr. Safety’s protection features:

  • Real Time Scan

Provides real time protection against threats.

  • Virus Scan

Quickly scan virus to safeguard your Mac.

  • Virus Clean(In-App Purchase required)

Clean virus completely for the security of your system and privacy.

  • Adware Cleaner

Protect your Mac from adware and browser Hijackers.

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macOS Sierra:How to Protect Your Mac
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