The best antivirus software for 2019

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With cyberattacks on the rise and growing ever more sophisticated, it's vital to ensure your devices are protected from the latest online threats. That's why we've put together this list of the best antivirus software for both PC and Mac.

Staying safe and secure online is especially important for freelance and employed professionals: the consequences of an attack could be disastrous. Could you cope if ransomware encrypted all digital content across your network, for instance? Yes, hopefully, as long as you run regular backups, but even if that's true, you could still spend an age cleaning up your systems.

You're less exposed if you use a Mac, but that doesn't mean you're entirely safe. There is some Mac malware around – and even if you avoid this, it's important that you don't pass on an infected PDF or other document to clients (horror of horrors) or colleagues.

Installing a quality antivirus is a good first step in staying safe online, and it could be cheaper than you think. Although single user, one-year licences typically cost £20 ($26) to £30 ($39), most companies give you discounts as you add more devices and years. For example, Bitdefender can protect five devices over three years for just £7 ($9.10) each per year.

Free antivirus software is another option. You need to be careful here as some packages are worse than useless (we're not kidding) but others do deliver top-notch protection. Experts can go further and build their own multi-layered security suite, maybe with a free antivirus package and a separate antiransomware app to shield your documents from harm.

Whatever you're doing, there's a lot of choice available. Which is right for you? In this guide, we'll point you at five of the best antivirus software options around.

The best antivirus software

01. Bitdefender Antivirus Plus 2019

Solid and reliable anti virus software

Platform: Windows only. Mac, Android, iOS protection available separately with an upgrade | Price: 1 year, up to 3 devices: £19.99 ($26.00) year one, £39.99 ($52) on renewal | Best for: Demanding and experienced users who need the maximum possible antivirus power

Stuffed with features
Multi-layered anti-ransomware
Leading edge detection rates
Expensive if for just one device

Founded back in 2001, Romanian-based Bitdefender is now a top-rated security giant which protects more than 500 million users worldwide. How did they do it? Checking the specs for Bitdefender Antivirus Plus 2019 gives one indication: it's absolutely crammed with high-end features and functionality, more than some of the competition offer in their full security suites.

There's accurate antivirus, for instance. A password manager to manage your logons. Web filtering prevents you accessing malicious URLs. a file shredder securely deletes confidential or personal files, and a vulnerability scanner spots outdated software and missing Windows patches. That's just the start. Multi-layered ransomware protection keeps your digital content safe from hackers. A VPN protects your connection over insecure public wifi (though beware, there's only a tiny 200MB daily traffic allowance), and a secure and isolated browser keeps your banking, shopping or other personal activities safe from snoopers.

For all its feature overload, Bitdefender Antivirus Plus 2019 is generally very easy to use. It doesn't hassle you with alerts or baffle you with complicated settings; mostly you can leave the program to handle everything itself. And whatever you're doing, Bitdefender Antivirus Plus 2019 keeps you safer than most. The company is loved by the independent testing labs, and for example AV-Comparatives' October 2018 Real-World Protection report) saw Bitdefender ranked a clear first out of 18, with a protection rate of 100% and no false positives at all.

If you've more devices to protect, check out Bitdefender TOTAL SECURITY 2019. It may look expensive at £34.99 ($45.50) for year one, £69.99 ($91) on renewal, but that gets you protection for up to six Windows, Mac, iOS or Android devices in any combination.

US prices:

* First-year discount

UK prices:

Bitdefender Antivirus Plus 2019
$23.99/year (was $59.99) year | £19.99/year (was £39.99)
There's a 50% discount on our #1 antivirus software right now. With it, you can get brilliant virus protection for your PC for an even more affordable price. Take a look at the antivirus software deal by hitting the 'View Deal' button below (or click here if you're in the UK).View Deal

02. Kaspersky Anti-Virus 2019

Platform: Windows only. Mac, Android, iOS protection available separately with an upgrade | Price: 1 year, 1 device, £24.99 ($32.50) | Best for: Delivering solid all-round protection for a bargain price

Easy to use
Decent detection rates
Good value for multiple devices
Relatively basic feature set

Eugene Kaspersky began developing antivirus as a hobby in 1987. It proved a very smart choice, as he went on to found Kaspersky Labs in 1997, and the company now helps to secure more than 400 million users and 270,000 corporate clients. Kaspersky Anti-Virus can't match the feature set of Bitdefender Antivirus Plus 2019. There are a few extras – an on-screen keyboard cuts the chance of typed data being intercepted by malware, while a Vulnerability Scanner looks out for problems with Windows – but mostly it focuses on the security essentials. 

This simplicity keeps the program easy to use, though. A straightforward interface has just four main buttons, and you can be running a full system scan in a couple of clicks. But there's also some flexibility, with options to run quick scans of commonly-infected areas only, selective scans of particular files and folders, or external device scans to uncover threats on USB keys or other external drives.

Reports from the independent testing labs show Kaspersky is more accurate than most. AV-Test's October 2018 Windows Home User test found the package blocked 100% of sample threats in both test months. AV-Comparatives October 2018 Real-World Protection Test results weren't as impressive, with Kaspersky ranking 14th out of 18, but it still blocked 99% of threats.

Kaspersky Anti-Virus is a PC-only product, but upgrading to Kaspersky Total Security adds protection for Macs, iOS and Android devices. It's fractionally more expensive at an initial £27.99 ($36.40) for a 1 year, 1 device licence, but if you've plenty of hardware to cover, there are savings to be made. You can buy a 5 device, 2-year licence for £76.99 ($100), for instance, around £7.70 ($10) per device per year.

US prices:

UK prices:

Kaspersky made the headlines in 2017 for the wrong reasons, with both the UK and US governments banning some departments from using its products . This must be a concern, but the government statements are mostly about areas of national security, and the UK says its recommendations don't apply to home users. As we've seen no evidence that Kaspersky has done anything wrong, we're not going to allow this to affect our views.

03. Webroot SecureAnywhere AntiVirus

Platform: Windows, Mac; Android and iOS protection available separately | Price: 1 year, 1 device: £22.49 ($29.23) | Best for: Staying out of your way and keeping you safe

Very fast
Ultra-lightweight
Effective antiransomware
Rarely tested by the labs

Security powerhouses like Bitdefender Antivirus Plus have their place, but many professional users are looking for something simpler, more lightweight, which doesn't hog system resources or require any attention or management. If that sounds like you, it might be worth taking a look at Webroot SecureAnywhere AntiVirus.

The package is so tiny – just a few megabytes – that it installs in seconds. It grabs the absolute minimum of RAM and doesn't soak up your network bandwidth by downloading antivirus definition updates, as Webroot handles its detection in the cloud. System scans are very, very fast. The Webroot website claims an average of 20 seconds, our tests say closer to 60, but that's still a huge improvement on the 10, 20, maybe 30-minute system scan times of other products. Despite the apparent simplicity, SecureAnywhere isn't lacking in features. As well as antivirus, the package blocks attempts to hijack your webcam, protects you from identity theft and blocks access to phishing and other malicious sites. 

There's a major highlight in Webroot's anti-ransomware technology. SecureAnywhere not only tries to block threats before they can cause any damage, but if something gets through anyway and encrypts some files, the program can often recover them. If there's an issue here, is that Webroot isn't often assessed by the independent testing labs, making it more difficult to get a feel for how accurate it is. SecureAnywhere was included in MRG-Effitas Q2 2018 online banking test, though, where it blocked 100% of financial malware, and was one of only three packages out of 11 to pass all tests (the others were Bitdefender Internet Security and Kaspersky Internet Security).

A 14-day free trial makes it easy to sample SecureAnywhere's abilities for yourself, and an exceptional 70-day money-back guarantee suggests Webroot is confident you'll be happy with the product.

US prices:

UK prices

Free antivirus software

04. Avira Antivirus

Platform: Windows, Mac, Android, iOS | Price: Baseline products are free; Antivirus Pro is £29.99 ($39) for 1 device, 1 year | Best for: Bargain hunters, or anyone who needs to cover many devices and platforms

Free products for all platforms
Loads of features
Rated highly by the testing labs
Commercial products aren't cheap

The world is full of free antivirus tools, especially for Android, but these aren't always what they seem. In March 2018 AV-Test tested 204 Android antivirus apps and found that 131 of these – a chunky 64 per cent – missed at least half the test threats. Avira products are very different, fortunately. The company has been around for years and it's built a great reputation for accuracy and reliability. Don't just take our word for it. 

Avira Antivirus generally scores well in independent testing, most recently ranking sixth out of 18 in AV-TEST's October Real-World Protection Test with a perfect 100% protection score. Although Avira started in the Windows world, it now has free products for Mac, iOS and Android. These have all kinds of tools, depending on the package you get - antivirus, ransomware, VPN, password manager, anti-theft and more - and they're all very usable, with few of the annoying ads and stupid restrictions you'll often see with other freebies.

Avira's Connect system even allows you to check and manage all your Avira-enabled devices from one central console. That's good news for businesses with several employees, or if you just want to keep an eye on what the rest of the family are doing. Avira Antivirus Pro is a commercial version which looks a little pricy at £29.99 ($39), but also adds some very important features, especially for business users. You get separate layers of email and network protection, Device Control helps define which devices can be attached to your system, secure browsing enables protecting shopping, banking and other confidential internet activities, and there's email and phone support if anything goes wrong.

05. Windows Defender

Platform: Windows | Price: Free | Best for: Anyone who puts simplicity first, and ideally will install other security tools to cover its gaps

Nothing to install or configure
Runs alongside other antivirus apps
Just the antivirus basics
Only mid-range detection rates

Windows Defender used to be a security joke, an underpowered antivirus with such a low detection rate that in 2012 independent lab AV-TEST refused to certify it. Microsoft has continued to develop the product, though, and the results are becoming clear, with Defender's detection rate is now comparable with some big-name commercial products.

For example, AV-Comparatives' October 2018 Real-World Protection summary report placed Microsoft fifth out of 18 with a perfect 100% detection rate. It doesn't match that performance every month, but the new-look Windows Defender is clearly a serious product.

There are some bonus features, including a firewall, basic parental controls, and even simple ransomware protection with the new Controlled Folder Access. Windows Defender is ultra-lightweight, too. There's nothing extra to set up, hog your system resources or conflict with other applications. For the most part, Defender just works, leaving you to get on with what really matters.

Let's be clear: Windows Defender still can't quite match the best of the competition. If you're after a single program that delivers the best possible detection rates, you're looking in the wrong place. If simplicity is top of your priority list, though, or you'd like a decent baseline antivirus which you can easily extend with other security apps, Windows Defender deserves a place on your shortlist.

Business antivirus software

If you’re looking for the best antivirus software for your business, we have a strong selection for you here. All the options below offer enterprise-level protection against threats – but don’t necessarily break the bank. In fact, sometimes the price per installation is cheaper than our best antivirus packages highlighted above.

1. Avast Business Antivirus Pro
US: 1 device, 1 year - $49.99 (was $62.49)
UK:
1 device, 1 year - £33.48 (was £41.86)
This brilliant business antivirus suite offers a range of tools, including virus protection, firewall, email protection, anti-spam and the ability to sandbox applications for complete security. There are three different price points – we recommend the middle Pro tier.

2. Symantec Endpoint Protection
US: 1 license, 1 year - $54.18  
UK:
1 license, 1 year - £36.79
Symantec's Insight file reputation technology offers an effective way to detect and block threats – even the very latest undiscovered issues. There's also virus protection, behaviour monitoring and a 'Power Eraser' to remove stubborn threats and repair your system.  

3. Bitdefender GravityZone Business Security
US: 3 devices, 1 year - $76.99
UK:
3 devices, 1 year - £86.99
Bitdefender products score highly for malware detection, removal, performance and usability. Most features work automatically – anti-malware, firewall, web advisor, URL filtering – but you can also customise the product to control user actions.