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Best Security Software for Windows and Mac

Download.com hooks you up with the best Windows and Mac security software.

Apps in this Guide

Security software isn't just about protecting your PC; it's about protecting all the personal information you store on your laptop or transmit over the Internet. An antivirus app is a good placemore

Security software isn't just about protecting your PC; it's about protecting all the personal information you store on your laptop or transmit over the Internet. An antivirus app is a good place to start, but most security suites come with a whole toolbox of options for fighting a variety of threats. Here's what you need to know to choose the best security software for Windows or Mac.

Frequently Asked Questions

Is it worth paying for security apps?
Free antivirus apps and VPNs can be very effective and may have all the horsepower you need. However, the software developers have to make money somehow -- your free app may come with ads, for example, or you may be nagged to upgrade to the paid version. Beyond nuisance, though, some apps may actually create privacy issues instead of solving them. Check an app's policies and reviews before you download it. We recommend Avira, a free antivirus suite with a relatively laid-back sales pitch. At the other end of the privacy spectrum, Hola VPN is a cautionary tale. A VPN (virtual private network) gives you encrypted access to the Internet. The VPN connects you to a VPN server in a country of your choice, which then connects to your online destination in a way that makes it look like your computer is located in that country. This is handy for accessing websites and content that are regionally blocked. In June of 2015, researchers alleged that the free version of Hola VPN was selling its users' bandwidth to premium users, essentially making free users the VPN server for paying customers. This is a problem because the free user has no control over what other users did with that bandwidth, including whether they were engaging in illegal activity. Thankfully, this kind of scenario appears to be an extreme example. However, you may deal with companies that want to sell your user data to cover their costs. As a result, it's a good idea to check the EULA (end-user license agreement) during installation for vague language about how they handle your privacy, and to make sure that there are no pre-checked boxes that enable unwanted tracking or the installation of additional software.
How do I evaluate the user experience? What makes a good security app?
"User experience" covers a lot of things. First, if it's a paid antivirus program, how many users are covered by a single license or subscription, and does this include a mobile version? Second, sometimes an antimalware suite throws in a lot of extra utilities to give the impression that you're getting a lot of bang for your buck, like a file shredder and junk file deleter; don't be tricked into paying a premium for tools that you can get for free or that may be built into the operating system. Third, how easy is the program to use? Let's say you want your antivirus program to do an automatic system scan every Tuesday at 3AM. How easy is it to find that setting, set the schedule, and confirm that your changes have been saved? How many clicks does it take? If you get lost along the way, what tools does the interface use to get you back on track? If you want to know more about a particular technical term, is the tool for that informative and actually specific? If you're using a free antivirus program, how aggressively does the interface try to make you upgrade to the paid version? No matter what questions you feel are important, it can be a helpful exercise to write down your own list of needs, and a list of behaviors that would make the program a non-starter.

Recommended Security Software

Passwords are a pain. Good ones are hard to remember, so you have to write them down on something that could be lost, damaged, or stolen, or you use mental tricks that other people could figure out. But there's a Door #3: Password manager apps like LastPass that generate complicated passwords and enter them for you. All you need to remember is the master password used to access your library of online accounts -- which you can protect with two-factor authentication. With 2FA, even someone who guesses your master password still needs your PIN code to confirm authorization, which changes every 30 seconds. Have a fingerprint sensor on your phone? You can also use that instead of your master password, when it's time to impress your friends and neighbors.

Avira Free Antivirus

Avira Free Antivirus

It doesn't perform quite as well as Norton, but Avira is a respectable competitor if you need to stretch your dollar. Unlike most other free antivirus software, it doesn't push you to upgrade to the paid version, nor does the sales pitch overstate the amount of protection it gives you.

Norton Internet Security

Norton Internet Security

In past years, Norton security products had an arguably well-earned reputation for bogging down Windows and being difficult to fully remove. Norton completely overhauled its antivirus product line a few years ago, however, and it's now much lighter and also competitive with Kaspersky's protection performance. However, Norton's street price has been slightly but consistently higher.

Tor Browser

Tor Browser

The Tor Browser is derived from Mozilla Firefox and bounces your connection to the Internet around a network that masks identity. This pipeline also has strong encryption, so your Internet service provider can't see where you're going, either. It can only see that you're connecting to the Tor network. At the same time, the browser's privacy is easy to use. It starts up automatically every time you open it.

Best Manual Spyware Scanning: Malwarebytes

Best Manual Spyware Scanning: Malwarebytes

This app actually staked its claim as a manual malware scanner originally called Malwarebytes Anti-Malware, aka MBAM. Over time, it has become one of the most reliable and trusted scanners in the business. As a welcome bonus, manual scanning is free. (The premium version adds automatic background scanning and basically upgrades Malwarebytes to a full-fledged conventional antivirus suite.)