Top scoring in industry tests
Windows Defender Advanced Threat Protection (Windows Defender ATP) technologies consistently achieve high scores in independent tests, demonstrating the strength of its enterprise threat protection capabilities. Microsoft aims to be transparent about these test scores. This page summarizes the results and provides analysis.
Endpoint detection & response
Windows Defender ATP endpoint detection and response capabilities provide advanced attack detections that are near real-time and actionable. Security analysts can prioritize alerts effectively, gain visibility into the full scope of a breach, and take response actions to remediate threats.
MITRE: Industry-leading optics and detection capabilities
MITRE tested the ability of products to detect techniques commonly used by the targeted attack group APT3 (also known as Boron or UPS). To isolate detection capabilities, all protection and prevention features were turned off. Microsoft is happy to be one of the first EDR vendors to sign up for the MITRE evaluation based on the ATT&CK framework, widely regarded today as the most comprehensive catalog of attacker techniques and tactics.
Windows Defender ATP delivered comprehensive coverage of attacker techniques across the entire attack chain. Highlights included the breadth of telemetry, the strength of threat intelligence, and the advanced, automatic detection through machine learning, heuristics, and behavior monitoring.
Next generation protection
Windows Defender Antivirus consistently performs highly in independent tests, displaying how it is a top choice in the antivirus market. Note that these tests only provide results for antivirus and do not test for additional security protections.
Windows Defender Antivirus is part of the next generation Window Defender ATP security stack which addresses the latest and most sophisticated threats today. In some cases, customers might not even know they were protected because a cyberattack is stopped milliseconds after a campaign starts. That's because Windows Defender Antivirus detects and stops malware at first sight by using machine learning, artificial intelligence, behavioral analysis, and other advanced technologies.
AV-TEST: Protection score of 6.0/6.0 in the latest test
The AV-TEST Product Review and Certification Report tests on three categories: protection, performance, and usability. The scores listed below are for the Protection category which has two scores: Real-World Testing and the AV-TEST reference set (known as "Prevalent Malware").
January - February 2019 AV-TEST Business User test: Protection score 6.0/6.0 Latest
Windows Defender Antivirus achieved an overall Protection score of 6.0/6.0, with 19,956 malware samples used. This is the fifth consecutive cycle that Windows Defender Antivirus achieved a perfect score.
Windows Defender Antivirus achieved an overall Protection score of 6.0/6.0, detecting 100% of 19,956 malware samples.
Windows Defender Antivirus achieved an overall Protection score of 6.0/6.0, protecting against 21,566 of 21,568 tested malware samples.
Windows Defender Antivirus achieved an overall Protection score of 6.0/6.0, detecting 100% of 20,022 malware samples.
Windows Defender Antivirus achieved an overall Protection score of 6.0/6.0, detecting 100% of 5,790 malware samples.
Windows Defender Antivirus achieved an overall Protection score of 5.5/6.0, missing 2 out of 5,680 malware samples (0.035% miss rate).
Windows Defender Antivirus achieved an overall Protection score of 6.0/6.0, with 5,105 malware samples tested.
AV-Comparatives: Protection rating of 99.6% in the latest test
AV-Comparatives is an independent organization offering systematic testing for security software such as PC/Mac-based antivirus products and mobile security solutions.
Real-World Protection Test Enterprise August - November 2018: Protection Rate 99.6% Latest
This test, as defined by AV-Comparatives, attempts to assess the effectiveness of each security program to protect a computer against active malware threats while online. The test set contained 1207 test cases (such as malicious URLs).
Malware Protection Test Enterprise August 2018: Protection Rate 99.9%
This test, as defined by AV-Comparatives, attempts to assesses a security program’s ability to protect a system against infection by malicious files before, during or after execution. The results are based on testing against 1,556 malware samples.
Real-World Protection Test Enterprise March - June 2018: Protection Rate 98.7%
The test set contained 1,163 test cases (such as malicious URLs).
Malware Protection Test Enterprise March 2018: Protection Rate 99.9%
For this test, 1,470 recent malware samples were used.
SE Labs: Total accuracy rating of AAA in the latest test
SE Labs tests a range of solutions used by products and services to detect and/or protect against attacks, including endpoint software, network appliances, and cloud services.
Enterprise Endpoint Protection October - December 2018: AAA award pdf
Microsoft's next-gen protection was named as one of the leading products, stopping all of the public and targeted attacks.
Enterprise Endpoint Protection July - September 2018: AAA award pdf
Microsoft's next-gen protection was named as one of the most effective products, stopping all public and targeted attacks. It showcased its ability to block malicious URLs, deal with exploits, and classify legitimate apps and websites correctly.
Enterprise Endpoint Protection April - June 2018: AAA award pdf
Microsoft's next-gen protection was named as one of the most effective products, stopping all targeted attacks and the vast majority of public threats.
To what extent are tests representative of protection in the real world?
It is important to remember that Microsoft sees a wider and broader set of threats beyond what’s tested in the evaluations highlighted above. For example, in an average month, we identify over 100 million new threats. Even if an independent tester can acquire and test 1% of those threats, that is a million tests across 20 or 30 products. In other words, the vastness of the malware landscape makes it extremely difficult to evaluate the quality of protection against real world threats.
The capabilities within Windows Defender ATP provide additional layers of protection that are not factored into industry tests, and address some of the latest and most sophisticated threats. Isolating AV from the rest of Windows Defender ATP creates a partial picture of how our security stack operates in the real world. For example, attack surface reduction and endpoint detection & response capabilities can help prevent malware from getting onto devices in the first place. We have proven that Windows Defender ATP components catch samples that Windows Defender Antivirus missed in these industry tests, which is more representative of how effectively our security suite protects customers in the real world.
Using independent tests, customers can view one aspect of their security suite but can't assess the complete protection of all the security features. Microsoft is highly engaged in working with several independent testers to evolve security testing to focus on the end-to-end security stack. In the meantime, customers can evaluate Windows Defender Advanced Threat Protection in their own networks by signing up for a 90-day trial of Windows Defender ATP, or enabling Preview features on existing tenants.
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