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Microsoft Security Essentials

Microsoft Security Essentials

Microsoft Security Essentials (MSE) offers award-winning protection against the Internet intruders including viruses, trojans, worms and spyware.

MSE is built for individuals and small businesses, but it’s based on the same technology that Microsoft uses to protect giant businesses. (Security products like Microsoft Forefront, the Malicious Software Removal Tool, and Windows Defender).

Microsoft company has a whole team watching for new threats and coming up with ways to squash them. Microsoft Security Essentials is efficient and compact.

The Scans and updates are scheduled to run when the PC is idle and the software works in a way that your PC is still snappy when you’re using it.

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MSE program uses green, yellow and red color codes to designate the security status of your PC and a color-coded icon in the taskbar tells you at a glance if your attention is needed. It’s simple – when you’re green, you’re good. However, if there’s a red or yellow threat, MSE will alert you and recommend what to do (you can act directly from the notification area without having to enter the application).

Downloading and installing Microsoft Security Essentials is free (Your PC must run genuine Windows to install Microsoft Security Essentials) and easy. Once you have installed it, the software updates automatically once a day. We’re constantly tracking new threats and we keep your PC updated to help protect you. You don’t have to do anything.

Microsoft Security Essentials has received great recognition for the protection: the VB100 award from Virus Bulletin Ltd., Checkmark Certification from West Coast Labs, and certification from the ICSA Labs.

Real-time protection

Real-time protection means addressing potential threats before they become problems. Alerts notify you when spyware, viruses, or other malicious software attempt to run or install on your PC, and suspicious files and programs are prevented from opening.

System scanning

MSE offers complete system scanning capabilities with both scheduled and on-demand scanning options to provide an extra level of confidence. Scheduled scans are turned on by default and configured to run weekly at 2 a.m. when the system is likely idle.

Microsoft Security Essentials has three scanning options:

  • Quick scan. On by default, a quick scan rapidly checks the areas malware is most likely to infect, including programs running in memory, system files, and the registry.
  • Full scan. A full scan checks all files on the PC, the registry, and all currently running programs.
  • Custom scan. A custom scan allows you to scan only the areas you select.

You can choose when you want a scheduled scan to run, view the scan results before cleaning, or run a scan on demand. If the PC isn’t turned on when the scan is scheduled to run, MSE will start the scan at the first opportunity once the PC is awake and idle.

System cleaning

When Microsoft Security Essentials determines a possible threat on your PC, alerts notify you of the threat. Threats are categorized as Severe, High, Medium, or Low, and you can choose whether to ignore, quarantine or remove the item from the system.

  • Quarantine. Microsoft Security Essentials blocks less severe threats and moves them to a quarantined queue. There you can elect to restore or permanently delete them. By placing an item in quarantine, you can test the effect of the item’s removal before deleting it from the system.
  • Remove. This action permanently deletes the item from the system.
  • Allow. This action stops MSE from detecting the item in future scans by adding it to the Allowed Items list. You can remove items from the Allowed Items list at any time.

Windows Firewall integration

Having an active firewall is part of securing your PC. During setup, Microsoft Security Essentials scans the PC to determine if a firewall is active on the PC. If no firewall protection is present, you’ll be given the option to turn on Windows Firewall.

Dynamic signature service

It is a way to check whether a suspicious program is bad or not. Before a suspicious program runs, Microsoft Security Essentials pretends to run it to determine what it’s going to do. This gives programs special signatures that are checked against our database of good and bad programs.

Rootkit protection

Rootkits are particularly difficult types of malware to protect against. MSE includes a number of new and improved technologies to address rootkits and other aggressive threats.

  • The kernal is at the heart of your PC’s operating system. Microsoft Security Essentials monitors it to see if there are any attacks or harmful modifications.
  • Rootkits use stealthy methods to hide themselves and Microsoft Security Essentials has the latest anti-stealth technology to uncover them.

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Supported Operating Systems: Windows XP, Vista, 7 (32-bit, 64-bit).

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8 Comments on Microsoft Security Essentials

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    I'll wait until the next Final version, I'm afraid of the error may appears while using Pre-Release version lol

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    Its free. But MS products are a resource hog. Its slows down my system to hell when you try to access a big archived exe files etc...

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    Yeah.. Microsoft Security Essentials. It's free and I've never had a virus, not once. Why buy when you can have this for free?

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    me useing Microsoft Security Essentials 2.1.1116.0 from more then 7 months and never got any virus,no trojan,spyware etc..nor the pc getting slow like what it does at the time when is was useing KIS2012 and that dumb Comodo internet security....The BEST ANTI-VIRUS :)) ... And thanks for the update..will try this new v4

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    i thinks its the best free anti-virus out there.

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    PC Magazine is owned by a USA company.... Symantec is also an american company! We know why they're a clear winner!
    Open your eyes: with more than 15 years of experience in security and anti-virus products, the best suites you can buy today, are Kaspersky and BitDefender! Period! 

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    The heck it is!! That dumb online magazine doesn't even have MSE, Avast Internet Security, ESET Smart Security and many other internet security software listed so how can you compare? I'm not about to let some biased magazine tell me what to use for anti-virus protection. Listen up.. MSE is free with free definition updates and my computer has never been infected so MSE is #1 for me. I also use Malwarebytes' Antimalware (free)and COMODO firewall (free). You don't need anything else. How is this magazine biased? What they did is put NIS up against only less performing Internet Security software to make NIS look good. It's an old trick that is used all the time. Most reviews, whether online or in magazines are ususally very biased probably cuz they were payed off by a software company. This review is more like self promotion than an actual complete unbiased comparison of other similar software products. Only listen to what people on the internet say about anti-virus/security software.

    Here's another biased review of internet security suites: In this one, NIS ranks fourth. Ranked #1 was Webroot Internet Security. Well now. I have never read on any internet bulletin board or other website that Webroot was #1 at anything in this category. Webroot, undoubtedly, paid off to get a great rating for their security software. Don't be fooled by reviews people... 2 cents.

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    MSE not so crappy with a 97% hit rate and low false reports. Plus, your not needing to jump through hoops to make it functional like ESET. is an affiliate partner that provides software selling with discounts and coupons, also software updates and downloads