Microsoft Security Essentials

Microsoft Security Essentials
Microsoft Security Essentials
_Microsoft Security Essentials icon.png Microsoft Security Essentials wordmark.svg
Microsoft Security Essentials.png
Microsoft Security Essentials version 2.0
Developer(s) Microsoft Corporation
Initial release 29 September 2009; 2 years ago (2009-09-29)
Stable release 2.1.1116.0 / 27 June 2011; 4 months ago (2011-06-27)[1]
Development status Active
Operating system

Windows XP with Service Pack 2

Windows Vista and Windows 7
Platform IA-32 and x64
Size IA-32: 7.5 MB
x64: 9.5 MB[1]
Virus Definitions: 64 MB (almost)
NIS definitions: 0.8 MB[2]
Available in English, Bulgarian, Chinese (Simplified), Chinese (Traditional), Croatian, Czech, Danish, Dutch, Finnish, French, German, Greek, Hungarian, Italian, Japanese, Korean, Norwegian, Polish, Portuguese (Brazilian), Portuguese (Portugal), Romanian, Russian, Swedish, Slovakian, Spanish, Thai, Turkish and Ukrainian
Type Antivirus and Network intrusion detection system
License Freeware[3]
Website www.microsoft.com/security essentials

Microsoft Security Essentials (MSE) is a free antivirus software product for Microsoft Windows operating systems that provides protection against different types of malware such as computer virus, spyware, rootkits and trojan horses. Unlike the Microsoft Forefront family of enterprise-oriented security products, Microsoft Security Essentials is geared for consumer use.

Microsoft Security Essentials received positive reviews upon its release. In September 2011, it was the most popular antivirus software product in North America and the second most popular in the world.

Contents

Development

In 2005, Microsoft acquired security software firm Sybari of Hauppauge, New York, and shortly thereafter released the Microsoft Forefront line of server security products. Microsoft then announced plans for a free consumer security product codenamed Morro on 18 November 2008.[4] It marked a change in Microsoft's consumer antivirus marketing strategy: Instead of offering a subscription-based antivirus with a host of other tools, such as backup and a personal firewall, Morro would be free for all genuine installations of Windows not intended for business use (with an exception for small home based businesses) and offers protection against all types of malware.[5] Microsoft Forefront would be offered alongside Microsoft Security Essentials, with central management tools not present in Microsoft Security Essentials, which is based on Microsoft Forefront technology obtained through the acquisition of Sybari in 2005.[6][7]

On 23 June 2009, Microsoft opened a public beta to 75,000 people in the United States, Israel, People's Republic of China and Brazil. At the time, Microsoft stated that Microsoft Security Essentials would be finalized and released before the end of 2009, in 20 markets and 10 languages.[8] The final build was released on 29 September 2009.[9][10]

Hardware requirements for Microsoft Security Essentials differ, depending on the operating system. For Windows XP, Microsoft Security Essentials requires at least a 500 MHz processor and 256 MB of RAM. On Windows Vista and Windows 7, Microsoft Security Essentials requires a 1 GHz processor and 1 GB of RAM. Under any compatible operating system, a VGA screen of 800 × 600 or higher, 140 MB of free space, and an Internet connection are also required.[11]

Second version

On 19 July 2010, Microsoft released a technical preview of Microsoft Security Essentials 2.0. On 16 December 2010, Microsoft Security Essentials version 2.0 passed the technical preview stage and was officially released to public. This version includes Network Inspection System, 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 can also integrate with Internet Explorer to protect users against web-based threats.[12][13][14][15][16]

Future

On 13 September 2011, in Microsoft BUILD conference held in Anaheim, California, Microsoft announced that it will be integrating built-in anti-malware features in the upcoming version of Windows, codenamed Windows 8. Microsoft also showed that this new antivirus is capable of preventing an infected USB flash memory from compromising the system during boot process.[17][18]

On 18 November 2011, Microsoft sent invitations to potential participants to invite them to a limited beta test of the next version of Microsoft Security Essentials.[19][20]

Features

Microsoft Security Essentials is an anti-virus for Windows XP (IA-32[21]), Windows Vista, and Windows 7 (both IA-32 and x64).[21][22] It is designed for consumers and lacks centralized management features which are found in Microsoft Forefront Client Security. It replaces Windows Live OneCare, a commercial subscription-based antivirus service and the free Windows Defender, which only protected users from adware and spyware.[23]

Microsoft Security Essentials includes the same anti-malware engine (dubbed "Microsoft Malware Protection Engine", or MSMPENG for short[24]), and virus definitions that all other Microsoft desktop anti-malware products share, including Forefront Client Security, Windows Live OneCare and Windows Defender.[25] Before installation, Microsoft Security Essentials checks for the validity of the installed copy of Microsoft Windows. Microsoft Security Essentials requires no registration or personal information.[26] Microsoft Security Essentials disables Windows Defender, since Microsoft Security Essentials also provides protection against spyware and adware.[23]

Using default settings, archived files are decompressed, and then scanned. File downloads and e-mail attachments are also scanned. Its Dynamic Signature Service attempts to better identify malicious files by checking for updates if an application exhibits suspicious behavior.[27] Before taking action against a suspect file, Microsoft Security Essentials prompts for user input. If no response is received in ten minutes, then the suspected malware is handled according to its default action, letting Microsoft Security Essentials determine what to do with the malware. System Restore points are created before removing found malware.[28]

Microsoft Security Essentials automatically checks for and downloads virus definition updates which are published three times a day to Microsoft Update.[29] Alternatively, users may download the updates manually from Microsoft Security Portal.[2]

Licensing

If the operating system is found to be not genuine, Microsoft Security Essentials will notify the user of the issue, and will cease to operate after a period of time

Microsoft Security Essentials' end-user license agreement allows home users to download, install and use Microsoft Security Essentials on an unlimited number of their computers in their households free of any charges, so long as each computer has a genuine copy of Microsoft Windows. Small businesses are also allowed to install this product on up to 10 devices. The software license agreement however, denies the use of Microsoft Security Essentials in academic institutions, enterprises and governmental locations. The license agreement also denies the user the right to reverse-engineer, hack, decompile or disassemble Microsoft Security Essentials or to publish or disclose the results of benchmark tests of this software product to third parties without prior written approval from Microsoft Corporation.[3]

Microsoft Security Essentials checks for validity of the operating system during and after installation. If the operating system is not found to be genuine, Microsoft Security Essentials will notify the user of the issue, and may cease to operate after a period of time.[3]

Reception

Industry response

On 19 November 2008, after Microsoft publicly announced Microsoft Security Essentials under the code-name "Morro", Symantec and McAfee shares fell 9.44 and 6.62 percent respectively. Amy Barzdukas, senior director of product management for the Online Services and Windows Division at Microsoft, announced that Microsoft Security Essentials will not directly compete with other paid-for antivirus software; rather it was "focused on the 50 to 60 percent [of PC users] who don't have, or won't pay for, antivirus protection, antimalware protection".[30]

Symantec, McAfee and Kaspersky Lab, three competing antivirus vendors, dismissed Microsoft Security Essentials as a competitor, claiming that Microsoft Security Essentials is not as good as their own software.[31][32] Tom Powledge of Symantec claimed OneCare offered "substandard protection" and an "inferior user experience", implying Microsoft Security Essentials would be the same.[33] Joris Evers, director of worldwide public relations for McAfee stated "With OneCare's market share of less than 2%, we understand Microsoft's decision to shift attention to their core business."[34] Justin Priestley of Kaspersky stated, "[Microsoft] continued to hold a very low market share in the consumer market, and we don't expect the exit of OneCare to change the playing field drastically."[34]

AVG Technologies, however, viewed Microsoft Security Essentials positively. An AVG Technologies representative stated, "We view this as a positive step for the AV landscape. AVG has believed in the right to free antivirus software for the past eight years." Nevertheless, AVG raised the issue of distributing the software product and said, "Microsoft will have to do more than simply make the product available."[34]

Despite its appreciation of Microsoft Security Essentials as a free product, AVG Technologies stated that integration of Microsoft Security Essentials with Microsoft Windows would be a violation of competition law.[35] McAfee and Sophos both affirmed that an antitrust lawsuit would surely have followed if Microsoft had bundled Microsoft Security Essentials with Windows.[36]

On 10 June 2009, Microsoft announced that a beta version of Microsoft Security Essentials would be released in a near future but did not specify a date; subsequently Microsoft shares grew by 2.1 percent. Both Symantec and McAfee shares fell by 0.5 percent and 1.3 percent respectively. Daniel Ives, an analyst with FBR Capital Markets said Microsoft Security Essentials would be a "long-term competitive threat", though near-term impact would be negligible.[22]

Finally, on 2 October 2009, Avast Software a.s. (developer of avast!) commented that it has an ambivalent view towards Microsoft Security Essentials. "MSE is not the silver bullet but it is also not the bad sequel to One Care that some claim," said Vincent Steckler, Avast Software CEO.[37]

Reviews

A pop-up notification stating malware was found.

The public beta received several positive reviews, citing its low resource usage, straightforward user interface, and price point.[38][39][28][40] Brian Krebs of The Washington Post reported that a "quick scan" took about 10 minutes, and a "full scan" about 45 minutes on an installation of Windows 7.[28]

Ars Technica reviewed it positively, citing its organized interface, low resource usage, and its status as freeware.[41]

PC World noted its "clear-cut" and "cleanly designed" tabbed user interface. At the top of the main tab, the security status is clearly shown. The other three tabs allow users to manually update Microsoft Security Essentials, review its history, and change program settings. However, PC World found some of the settings to be cryptic and confusing. Settings, such as what to do when malware is found, default to "Microsoft Security Essentials' recommended action". There is no explanation of the recommended action except in the help file. The editor was also confused because Microsoft Security Essentials does not mention it automatically updates itself within the interface; some may believe they must manually update Microsoft Security Essentials through the "Update" tab.[39] However, this was included in the final release.

PC Magazine cited Microsoft Security Essentials's small installation package (about 7 MB, depending on the operating system) and its speedy installation. On the downside, the full installation occupied about 110 MB of disk space, and the initial update took 5 to 15 minutes. The editor also noted the fact Microsoft Security Essentials sets Windows Update into its fully automatic mode, which automatically downloads and installs updates although it can then be turned off again through the control panel. Installation succeeded on 12 malware-infected systems. Some full scans took over an hour on infected systems; however, a scan on a clean system took 35 minutes.[38]

Although the Beta release of Microsoft Security Essentials did poorly in PC Magazine tests, the official final release did significantly better in AV-Test.org tests. According to Neil Rubenking, a PC Magazine author, in an on-demand scan test that he conducted in June 2009, Microsoft Security Essentials Beta found 89 percent of all malware samples: It found only 30 percent of commercial keyloggers, 67 percent of rootkits and only half of scareware samples. The suite's real-time protection found 83 percent of all malware samples and blocked the majority of them: In this test, Microsoft Security Essentials found 40 percent of the commercial keyloggers and 78 percent of the rootkits.[38] Later on October that year, AV-Test.org conducted a series of trials on the officially released version of the product in which Microsoft Security Essentials detected and caught 98.44 percent of 545,034 computer viruses, computer worms and software Trojan horses as well as 90.95 percent of 14,222 spyware and adware samples. It also detected and eliminated all 25 tested rootkits. Microsoft Security Essentials generated no false-positives at all.[42]

Awards

On 7 January 2010, Microsoft Security Essentials won the PC Advisor's Best Free Software award.[43] Later, in December 2010, AV-Comparatives.org awarded Microsoft Security Essentials v1.0 the Bronze award for proactive detection of 55% of new/unknown malware, the Silver award for low false-positives (six) and the Bronze award for overall performance. Microsoft Security Essentials v2.0 was released shortly thereafter.[44]

On 8 June 2011, PC Advisor listed Microsoft Security Essentials 2.0 in its article Five of the Best Free Security Suites, which included Avast! 6 Free Edition, Comodo Antivirus 5.4, AVG Antivirus 2011 and BitDefender Total Security 2012 Beta.[45]

Market share

One year after the initial release of Microsoft Security Essentials, on 29 September 2010, it had gained 30 million users.[46]

The Security Industry Market Share Analysis report of June 2011, published by OPSWAT, Inc. states that Microsoft Security Essentials has been one of the most popular antivirus products in the world.[47] According to the report, Microsoft Security Essentials had 10.66% of the global market[47]:5 and 15.68% of the North America market.[47]:4 The same report places Microsoft the number one antivirus vendor in the North America with 17.07% market share,[47]:3 as well as the number four antivirus vendor in the whole world.[47]:2

John Dunn of PC World, who analyzed the report, noted that the tendency to use free antivirus 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." He named Microsoft Security Essentials as a source of influence for PC users to adopt free antivirus software.[48]

In September 2011, OPSWAT report indicates that Microsoft Security Essentials has become the second most popular antivirus product in the world, while remaining the most popular in the United States.[49]

Rogue antivirus software

In February 2010, a rogue security software package calling itself "Security Essentials 2010" appeared on the Internet. This malware, designated TrojanDownloader:Win32/Fakeinit, bears no resemblance to Microsoft Security Essentials except for the name.[50][51] This malware reappeared again in November 2010, this time calling itself "Microsoft Security Essentials 2011".[52]

A more dangerous form of these malware rogues however, appeared in October 2010. This malware, designated Rogue:Win32/FakePAV, closely resembles Microsoft Security Essentials in look and uses sophisticated social engineering to compel users into introducing malware to their systems, under the guise of five different fictional anti-malware products. This malware also terminates and prevents the launch of 156 different programs, including but not limited to Registry Editor, Command Prompt, Internet Explorer, Mozilla Firefox, Opera, Safari, Google Chrome and other web browsers, email clients, instant messaging clients, media players and entertainment software.[53][54][55]

False positive: Google Chrome

On 30 September 2011, a faulty definition update caused Microsoft Security Essentials to incorrectly tag Google Chrome as malware. The issue was resolved within three hours.[56][57][58][59]

References

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External links

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Portal icon Microsoft portal
Portal icon Software portal
v · d · eMicrosoft security products
Numbers in brackets are the years of the initial release of the product.
For Windows
Windows Firewall [2001] · Baseline Security Analyzer [2004] · Malicious Software Removal Tool [2005] · Windows Defender [2005] · RootkitRevealer [2006] · Microsoft Security Essentials [2009] · Microsoft Safety Scanner [2011]
For Windows Server
Threat Management Gateway [1997] · Online Protection for Exchange [2007] · Unified Access Gateway [2007] · Identity Manager [2010] · Protection for Exchange Server [2010] · Protection for SharePoint Server [2010] · Protection Server Management Console [2010]
Others
Discontinued
MSAV [1993] · OneCare Safety Scanner [2006] · Windows Live OneCare [2006]
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