Ranking de antivirus 2011

There's a password manager, too, which is an undeniably good addition to your security portfolio. It scores well on AV-TEST's widespread malware benchmark and continues a clean sweep against 0-day attacks — presumably that expanded detection network is really helping.

Less impressive is the slight negative effect Avast has on software launch times, and its slightly popup-heavy attitude. Review and where to download: Avast Free Antivirus. Microsoft Defender formerly Windows Defender was generally seen as a bit of a joke in the not-too-distant past.

It performed terribly by most measures and was a good advert for why you should really pay for antivirus. But as we explain further up this article, Microsoft Defender has come on leaps and bounds and can now legitimately be mentioned in the same company as Bitdefender, Norton and Kaspersky.

As well as very solid virus protection, Defender has extra bits and bobs like a ransomware shield, webcam protection, privacy tools and even basic parental controls and cloud backup.

And the best bit No need to download a thing, just find it in your menu and get protected straight away. Read more and see how to use: Microsoft Defender review. The paid-for version of Kaspersky's Windows security software frequently tops charts of best virus prevention solutions and AV-TEST once again gave it full marks across the board in its latest round of testing.

As you would expect, Kaspersky Free is a scaled down version of the full program - a tool that we really like more on which below. The free version ditches additional features such as privacy protection and safe payment sandboxes to concentrate on powerful, no-frills and - most importantly - free protection for your PC.

The result is a tremendously easy to use and navigate bit of software that does an effective job of keeping you protected from viruses. Using the nuts and bolts real-world scanning engine of the paid-for suite, Kaspersky Free is fiendishly hard for viruses and trojan horses to break down. And we love that it doesn't constantly pester you with nudges to upgrade to the full version. But, ironically, we will just for a moment, because Kasperksy Anti-Virus isn't expensive to buy and yet affords much better protection to your PC or PCs.

Review and where to download: Kaspersky Free. Marketing itself as "business-grade security", Sophos Home does a little more than most free antivirus software, and actually seems better suited to families. You get standard virus protection and anti-malware protection, along with browser tools like anti-phishing and, most importantly, content control. Combined with central management of up to 10 PCs, this means you can effectively lock down your kids' browsing options.

Although Sophos Home has always had desktop notifications, there was no premium version of the software for it to encourage an upgrade to. That changed in February with the launch of Sophos Home Premium. Review and where to download: Sophos Home. Each entry in this list has been carefully chosen for its business features, such as remote installation and central management.

The best business antivirus software will have enterprise-level protection against threats, but that doesn't mean they have to cost a lot of money, either.

The price per installation can sometimes be cheaper than even our recommended best antivirus packages. Avast Business Antivirus Pro An excellent business antivirus suite, giving you various tools such as virus protection, Firewall, email protection, anti-spam and the ability to sandbox applications for complete security. Avast Business Antivirus Pro as opposed to the standard Avast Business Antivirus also includes Sharepoint and Exchange protection, as well as a number of tools for your servers.

Bitdefender products are loved by the independent testing labs, highly rated for malware detection, removal, performance and usability. Most of the features work automatically — anti-malware, firewall, web advisor, URL filtering — but you can also customise the product to control user actions. Symantec Endpoint Protection Symantec's first benefit is the company's Insight file reputation technology, an effective way to detect and block even the very latest undiscovered threats.

Other layers of protection include virus protection, behaviour monitoring, intrusion protection, a firewall, and the 'Power Eraser' to remove stubborn threats and repair your system.

Avira Antivirus for Endpoint This is Avira's main small business product. It takes all the core features you'd expect — antivirus, baseline network protection, web filtering — and extends them with file server protection and optimisation, along with application whitelisting and blacklisting. The desktop side of the package has all the usual quality Kaspersky modules — antivirus, antispam, a firewall, more — but the mobile security technologies are even more impressive. Mike began his career as a lead software developer in the engineering world, where his creations were used by big-name companies from Rolls Royce to British Nuclear Fuels and British Aerospace.

He now covers VPNs, antivirus and all things security for TechRadar, although he still has a secret love of quirky open-source and freeware apps which find brand new ways to solve common problems. North America. If you're looking for the best possible protection for your online devices in , then you've come to the right place - we've tested all of the best antivirus providers out there to come up with a definitive list of the absolute greatest.

View Deal. Bitdefender Antivirus. Maximum devices covered: Stand out features: Safepay banking protection, privacy tools, multi-layered anti-ransomware, VPN. Reasons to avoid - Room for improvement on detection. Norton AntiVirus. Stand out features: Intelligent firewall, PC maintenance features, bundled backup tool with online storage. Reasons to avoid - Mixed results from the testing labs.

Kaspersky Anti-Virus. Stand out features: Highly configurable virus scans, anti-ransomware, drive-by cryptomining infection prevention. Reasons to avoid - Not a huge amount of features. Trend Micro Antivirus. Reasons to avoid - Not as many features as key rivals. Avast One. Reasons to avoid - Not a huge upgrade from free version. Microsoft Defender.

Specifications Operating system: Windows only. Stand out features: Anti-ransomware, webcam and privacy protection, web filtering. Reasons to avoid Avira antivirus.

Stand out features: Proactive anti-ransomware, software updater, web protection. Reasons to avoid - Ratings from some independent test labs are a concern. McAfee antivirus. Stand out features: VPN, spam filter, intelligent firewall. Webroot SecureAnywhere AntiVirus.

Specifications Operating system: Windows, Mac and Android options. Maximum devices covered: 5. Stand out features: Identity theft protection, real-time anti-phishing, firewall monitor. And if you are a US government employee or work with the federal government, you'll want to steer clear of Kaspersky internet security products -- and perhaps use one of the antivirus software products mentioned here instead. Picking the best antivirus software for Windows means finding one that keeps your PC safe, doesn't take up a lot of system resources, is easy to use and stays out of the way till you need it.

Here's what to look for. Antivirus software runs virus scans for known viruses and malware, of course, and can offer real-time protection. And it watches for shady websites and suspicious links to keep you out of trouble.

It can also offer ransomware protection and monitor unexpected behavior that may be a sign of new and not-yet-identified viruses and malware. You want antivirus software that can successfully identify these unknown online threats without flagging too many false positives.

Light on system resources. You don't want antivirus software that taxes your PC's resources. If after you install the program, websites open slowly, apps download or open sluggishly or file copies take longer than expected, you may want to try another service.

The good news is, all our picks offer a free trial to let you try out the antivirus program, so if your system feels sluggish after installation, you may want to keep looking. Cost and discounts. Don't just pay the sticker price for antivirus protection. Before you buy, check for discounts on a company's website. Another way to save: The prices we list above are for 10 devices -- if the company offered that package -- but you can trim your cost with antivirus packages if you need to cover three or five devices.

You may also find discounts on an app's Amazon page. To be effective, antivirus software needs to monitor what's going on with your PC, check in with company servers about unusual behavior and should provide sound banking protection.

The companies say they anonymize this technical data as much as possible to protect your privacy. But if you want to know more, the security companies on our list post privacy policies on their websites, so read their privacy statements to learn what the companies do with the information you share. Protection for other platforms.

Microsoft is by far the biggest target for viruses and malware. While the Mac does come under attack via side-loaded apps, it's rare, and if you download apps only from the Mac and iOS app stores and keep your guard up when clicking links and download files, you should be OK without an antivirus app on Apple devices.

CNET editors pick the products and services we write about. When you buy through our links, we may get a commission. Best free Windows antivirus Microsoft Defender.

Jump to details. See at Microsoft. See at NortonLifeLock. See at Bitdefender. Best on-demand Windows malware removal Malwarebytes. See at Malwarebytes. Solid subscription antivirus alternative McAfee Total Protection. See at McAfee. Another good subscription option Trend Micro Maximum Security. See at Trend Micro. See at ESET. Alternative free Windows antivirus Sophos Home. See at Sophos.

Our recommendations Looking for free antivirus protection, malware protection or virus detection, willing to pay for an antivirus program that offers broad internet security coverage across all your devices, including from ransomware and phishing, or need to remove a computer virus or malware from your PC right now?

Best free Windows antivirus. Microsoft Defender. Best antivirus subscription for Windows. Norton with LifeLock Select. En estos instantes, se encuentra en oferta para celebrar que son Bitdefender tiene clientes VIP. Igualmente, os ponemos los precios con y sin oferta :. Las razones que nos llevan a recomendarlo son las siguientes:. Ponemos los precios «para nuevos clientes» con rebaja y sin rebaja :.