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Microsoft Security Essentials MSE is an antivirus software AV product that provides protection against different types of malicious software , such as computer viruses , spyware , rootkits , and trojan horses. Prior to version 4. MSE 4. The license agreement allows home users and small businesses to install and use the product free-of-charge.
It replaces Windows Live OneCare , a discontinued commercial subscription-based AV service, and the free Windows Defender , which only protected users from spyware until Windows 8. Built upon the same scanning engine and virus definitions as other Microsoft antivirus products, it provides real-time protection, constantly monitoring activities on the computer, scanning new files as they are created or downloaded, and disabling detected threats.
It lacks the OneCare personal firewall and the Forefront Endpoint Protection centralized management features. Microsoft's announcement of its own AV software on 18 November , was met with mixed reactions from the AV industry. Symantec , McAfee and Kaspersky Lab —three competing independent software vendors —dismissed it as an unworthy competitor, but AVG Technologies and Avast Software appreciated its potential to expand the consumers' choice of AV software.
The product received generally positive reviews praising its user interface , low resource usage and freeware license. It lost that certification in October ; in June , MSE achieved the lowest possible protection score, zero.
According to a March report by anti-malware specialist OPSWAT, MSE was the most popular AV product in North America and the second most popular in the world, which has resulted in the appearance of several rogue antivirus programs that try to impersonate it. Microsoft Security Essentials automatically checks and downloads the latest virus definitions from Microsoft Update which is updated three times a day.
The issue was resolved within three hours. MSE provides real-time protection , constantly monitoring activities on the computer, scanning new files as they are created or downloaded from the Internet.
If no response is received within ten minutes, suspected threats are handled according to the default actions defined in the application's settings. Depending on those settings, it may also create System Restore checkpoints before removing the detected malware. On 18 November , Microsoft announced plans for a free consumer security product, codenamed Morro. Anticipated to be available in 20 markets and 10 languages, the product was scheduled for release before the end of ; [22] the final build was released on 29 September Almost a year after the initial release, Microsoft quietly released the second version.
It entered the technical preview stage on 19 July , [24] [25] and the final build was released on 16 December It includes Network Inspection System NIS , a network intrusion detection system that works on Windows Vista and Windows 7, as well as a new anti-malware engine that employs heuristics in malware detection. Version 2. Sixteen months after the release of version 2. A public beta program started on 18 November , when Microsoft sent out invitations to potential participants without announcing a version number.
On 21 February , version 4. The latest version of 4. It was version 4. This update fixes a bug that was introduced earlier in version 4. Although support for Windows 7 [36] ended on 14 January Microsoft will continue to update virus definitions for existing users until Microsoft Security Essentials does not run on Windows 8 and later, which has its own security subsystem, Windows Defender.
On 13 September , at the Build conference in Anaheim, California , Microsoft unveiled the developer preview of Windows 8, which had a security component capable of preventing an infected USB flash memory from compromising the system during the boot process.
In an included video, Jason Garms of Microsoft showed how Windows Defender is registered with Action Center as an AV and spyware protection tool, and how it blocks drive-by malware. The product's license agreement allows home users to download, install and use it on an unlimited number of computers in their households free of charge, as long as each computer has a legitimately licensed copy of Microsoft Windows.
MSE requires no registration or personal information to be submitted during installation; [43] however, the validity of the operating system's license is verified during and after installation using the Windows Genuine Advantage system.
If said license is found to be invalid, the software will notify the user and will cease to operate after a period of time. The announcement and debut of Microsoft Security Essentials was met with mixed responses from the AV industry. Symantec , McAfee and Kaspersky Lab , three competing vendors, claimed it to be inferior to their own software. Avast Software said that it had an ambivalent view towards the product. AVG has believed in the right to free antivirus software for the past eight years.
Daniel Ives, an analyst with FBR Capital Markets , said that Microsoft Security Essentials would be a "long-term competitive threat", although near-term impact would be negligible.
The public beta version received several reviews, citing its low resource usage, straightforward user interface and price point. He did, however, find some of the settings to be cryptic and confusing, defaulting to "recommended action", with the only explanation of what that action is to be found in the help file. He was also initially confused because the user interface failed to mention that Microsoft Security Essentials automatically updates itself, rather than having to be manually updated via the Update tab; [54] an explanation of this feature was included in the final release.
Neil Rubenking of PC Magazine successfully installed the beta version on 12 malware-infected systems and commented on its small installation package about 7 MB, depending on the operating system and speedy installation. But the initial virus definition update took between 5 and 15 minutes, and the full installation occupied about MB of disk space.
Rubenking noted that the beta version sets Windows Update into fully automatic mode, although it can be turned off again through Windows Control Panel. Some full scans took more than an hour on infected systems; a scan on a clean system took 35 minutes. The product's real-time protection found 83 percent of all malware and blocked the majority of it: 40 percent of the commercial keyloggers and 78 percent of the rootkits were found.
It also detected and eliminated all 25 tested rootkits, generating no false-positives. The product achieved a protection score of 2. Report details show that although version 2. On 29 September , a year after its initial release, Microsoft announced that MSE had more than 30 million users.
John Dunn of PCWorld , who analyzed the report, noted that the tendency to use free AV software is something new: "After all, free antivirus suites have been around for years but have tended to be seen as the poor relations to paid software. The popularity of Microsoft Security Essentials has led to the appearance of malware abusing its name. In February , a rogue security package calling itself "Security Essentials " appeared on the internet.
From Wikipedia, the free encyclopedia. Free antivirus product produced by Microsoft for the Windows operating system. IA List of languages. See also: Windows Defender.
Die erreichte Leistung wird prozentual vom Industrie-Durchschnitt eingestuft. SoftNews SRL. Retrieved 11 February Archived from the original on 7 April Download Center. CBS Interactive. Malware Protection Center. Retrieved 22 February Retrieved 25 February Paul Thurrott's SuperSite for Windows. Penton Media. Archived from the original on 1 March The Washington Post. SoftNews NET. Forefront Endpoint Protection Blog. Archived from the original on 28 February News Center.
Ars Technica. Blogging Windows. Allure Media. Retrieved 19 November Windows IT Pro. Archived from the original on 21 May Archived from the original on 15 June Tom's Hardware. Retrieved 27 April Windows Support. Retrieved 28 June Microsoft Support. Retrieved 15 January Building Windows 8.
Archived from the original on 28 May Retrieved 13 May Retrieved 21 July Guardian News and Media. Avast Software a. Thomson Reuters. PC Magazine.
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