In my opinion,if you have Windows XP,i suggest you get Microsoft Security Essentials (MSE). i just had 3 viruses found on my computer, and i think 2 were already infected, and it STILL could clean them. I love it. i think you would to.
NOTE: Microsoft officially ended support for Windows XP on 8 April 2014, so security patches are no longer being released for it. For this reason, if you are still using XP, you would be wise to move to another OS such as Windows 7 or a current version of Linux (or any other OS with ongoing support).
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MSE is still available for XP and can also be used with Vista and Windows 7 but not Windows 8 (which has built-in AV). Keep in mind that MSE does NOT cover all attack vectors. Most computer security professionals recommend anti-virus plus other anti-malware protection that can use both signatures and heuristics to detect threats. You can enable or install host-based firewalls and anti-spyware software as well. As a general principle, you should deploy several tools to cover different vectors but any protection is better than NO protection.
As far as "best" is concerned - that depends on what you are comfortable managing and what your budget is. Some software suites require more skill to effectively manage. Others are less powerful but don't require much knowledge to deploy to your computer(s). Get something that you can afford and that you feel capable of managing correctly.
Some reputable sources for PAID software are:
Some good FREE software that can provide different security features includes:
A few of additional caveats:
The idea of best is highly subjective because what is best for one user isn't necessarily the best for another user. When choosing an anti-malware program one must one consider many things including system resources, online banking and user ability. If you are not banking online than I recommend using Avast Free Antivirus. If you are banking online than i recommend using an internet Security suite and recommend Avast Internet Security. Other legitimate options to consider include software made by McAfee, Symantec and Kaspersky.
Desktop security programs will depend on your operating system. There are several antivirus programs out there, some paid, some free. Norton and McAfee are several of the paid ones, and they work quite well.
The best security tool for a computer is installing reliable anti-virus protection software or an efficient PC security tool kit that is specifically designed to protect your PC from hackers or spyware such as Malwarebytes anti-malware.
There are a vast range of computer security products available today. One of the best free security products available today is AVG. This can be downloaded from the AVG website at no cost and gives you protection on your PC immediately, although they do also offer a paid version of the program which has some additional features. Two of the most popular paid security products are McAfee and Norton Antivirus.
Currently, there are two very well accepted anti-virus products on the market, and they are both free. Windows Defender is available for most Windows users that are on the last service packs of XP on up to Windows 7. It's free and is from Microsoft. AVG is the other product, from a third party, that has been around for a very long time. While there are paid versions of it, most users will find the free version perfect for their needs. It can be found at free.avg.com.
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Probably NORTON - they have a number of products at various prices depending on what you want.
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There are many mobile security software products but the best is BullGuard mobile security. It offers the best protection againest all the problems that could happen and only cost $29.95.
Most security camera come with the software to be able to connect and control your camera from any internet connection. The best software comes with the Linksys security cameras from my experience.
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As far as antivirus software goes, I would say AVG Free.
The best internet security software should consist of these qualities: Protection for the user, Antivirus capabilities, Firewall, Rootkit capabilities, and it should be able to detect trojans.
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AVG offers some of the best security software. This is in large part because it will scale to the demands of the user, from a free version all the way up to a more powerful paid one.
bitdefender 2009 full security or comodo
There are a wide variety of services that Best Security offer including but not limited to video surveillance, equipment/software sales, and home security bundles. From basic, to beyond they have it all.
There are literally thousands of different software packages that offer great security. One of the most popular commercial products is the product Norton AntiVirus. Which can be found at Norton.com.
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Based on user reviews, the best security and anti-spyware software available for email are Kapersky Internet Security, BitDefender, Norton Internet Security, and Eset Smart Security. These programs have also received high reviews from PC World magazine.