macOS is often dubbed as one of the most secure Operating Systems out there, but still, it’s not safe from threats such as Ransomware and viruses. In the last few years, we have thousands of cases where the MacOS Computers got compromised, but you can easily protect your macOS computer by using the combination of macOS Features and third-party Software. In this guide, you will learn how to secure Mac computer in 2021. Let’s get started.

On Internet, you will find tons of guides on how to secure a Mac Computer, but most of them are ambiguous and not practical. However, the tips we shared in this guide are proven and effective. We recommend that you follow all of them, and we assure you that your Mac will be protected from most threats. Now, let’s get to our guide.

Update your macOS and other Software

One of the major reasons why Mac computers gets compromised is the outdated software. Hackers often exploit the vulnerabilities in outdated software to get access to the computer and compromised the data. So, make sure that you regularly update your macOS and third-party software so that your computer stays protected from Malware.

Here’s how you can set up the Automatic Updates for macOS.

  • Go to System Preferences.
  • Now go to Software Update Section.
  • Enable Automatically Keep my Mac up to date.
  • That’s it.

Similarly, you can set up automatic updates for Apps on your computer. Here’s how you can do it.

  • Go to System Preferences.
  • Now go to App Store Tab.
  • Enable Automatically check for updates and then check Install App Updates.
  • That’s it.

Use an Antivirus

Use an Antivirus - Avast

Antivirus is the security software that makes sure that your Mac Computer is protected from threats such as Ransomware, Spyware, Key loggers, Trojans, and Viruses.

When it comes to Antivirus Software, there are tons of them available, and they offer a wide range of security and privacy features that you can use to protect your Mac Computer. Here are some of the important features which you must look for when choosing an Antivirus.

  • Real-time Malware Protection – A Good Antivirus will come with Real-time Malware Protection which will protect your system from threats such as Ransomware in real-time. When it comes to threats such as Ransomware, timing is very important because if an Antivirus fails to detect the Ransomware on time, your whole data can get encrypted, and you will have to pay ransom to remove encryption.
  • Phishing Protection – A Good Antivirus will also protect you from phishing attempts. Many hackers send the links, which often look at officials, and they trick a user into providing sensitive information. However, if your Antivirus has phishing protection, it will block the link from opening and save you from giving up important data.
  • Spyware Protection – Many Malware doesn’t directly affect your computer, and they only monitor your activities and pass the information to a hacker. A good Antivirus will be able to detect the Spyware and remove it from your computer.

Now that you know which things you need to consider when choosing an Antivirus. The next step is to find a good Antivirus, and you can easily find the best ones in our guide, where we have shared the Best Antivirus Software for Mac. Many of our recommended Antivirus offers the free version, but if you want the best protection, we recommend you to go for premium versions.

Use a Secure Brower

Use a Secure Brower

The default Browser, Safari, is not good enough and it lacks some advanced features, and it comes with some privacy concerns. However, there are some great privacy browsers available which you can use to protect your privacy.

The first option is Google Chrome which is the most popular Browser. It comes with tons of Add-ons, which you can use to extend the functionality of the Browser and secure your presence.

You can also go for other privacy browsers such as Opera, and Brave which collects minimum data and offers a flawless browsing experience. On top of that, they also come with built-in features which protect you from accessing malicious websites and protect you online.

Use a VPN

Use a VPN - How to Secure Mac Computer

VPN is a privacy tool that protects you online and allows you to bypass geo-restrictions effortlessly. IP Address is a unique address that hackers can use to track your online activities and compromise your privacy. When you use a VPN, it assigns you a temporary IP Address which you will be using online, and once you are done, that IP Address is assigned to other users. In this way, your original IP Address stays hidden from the Hackers, and your privacy also stays intact.

There are tons of great VPN Options available, but we would recommend you to go for the following because these VPNs are reliable, and they are the best VPNs for Mac Computers.

  • NordVPN
  • ExpressVPN
  • Surfshark
  • TunnelBear VPN
  • Private Internet Access

If you want to learn more about these VPN Services, check this guide where we have discussed them in detail.

Use a good Password Manager

Use a good Password Manager

There are tons of social media platforms available today, and most of us use the same password for all of them, which is a great security risk. If the database of one company gets compromised, there are chances that your password will also be compromised which can be used to access your account and compromised your data.

However, it’s also the fact that we, humans, can’t remember every password, but with Password Manager, all you will have to remember is the Master Password. All of your passwords will be stored in encrypted form, and you will be able to access them with Master Password. Also, Password Managers comes with password Generators which you can use to create complex and unique passwords for different social media accounts. In this way, even if one of your passwords gets compromised, you won’t have to worry about other passwords.

There are tons of great password managers available out there, but these are the best password managers for Mac.


That’s how you can secure your Mac computer in 2021. By using our recommended tips, there are great chances that your Mac Computer will be protected from Threats such as Viruses and Ransomware. However, still, you will need to be cautious and don’t open any suspicious links you get in emails. If you have any questions, please let us know in the comments. Also, if you are interested in getting Backup Software, check this guide where we have shared the Best Backup Software for Mac.


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