

Threat intelligence
The Microsoft Threat Intelligence community is made up of world-class experts, security researchers, analysts, and threat hunters who analyze 78 trillion signals daily to discover threats and deliver timely and timely, relevant insight to protect customers. See our latest findings, insights, and guidance.
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Beyond customer education, the scale and complexity of tech support scams require cooperation and broad partnerships across the industry.
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Adding transparency and context into industry AV test results
Corporate Vice President Brad Anderson recently shared his insights on how Windows Defender Advanced Threat Protection (Windows Defender ATP) evolved to achieve important quality milestones. -
Virtualization-based security (VBS) memory enclaves: Data protection through isolation
The escalating sophistication of cyberattacks is marked by the increased use of kernel-level exploits that attempt to run malware with the highest privileges and evade security solutions and software sandboxes. -
Taking apart a double zero-day sample discovered in joint hunt with ESET
In late March 2018, I analyzed an interesting PDF sample found by ESET senior malware researcher Anton Cherepanov. -
Hawkeye Keylogger – Reborn v8: An in-depth campaign analysis
Hawkeye Keylogger is an info-stealing malware that’s being sold as malware-as-a-service. -
March-April 2018 test results: More insights into industry AV tests
In a previous post, in the spirit of our commitment to delivering industry-leading protection, customer choice, and transparency on the quality of our solutions, we shared insights and context into the results of AV-TEST’s January-February 2018 test cycle. -
Attack inception: Compromised supply chain within a supply chain poses new risks
A new software supply chain attack unearthed by Windows Defender Advanced Threat Protection (Windows Defender ATP) emerged as an unusual multi-tier case. -
Protecting the modern workplace from a wide range of undesirable software
Security is a fundamental component of the trusted and productive Windows experience that we deliver to customers through modern platforms like Windows 10 and Windows 10 in S mode. -
Protecting the protector: Hardening machine learning defenses against adversarial attacks
Harnessing the power of machine learning and artificial intelligence has enabled Windows Defender Advanced Threat Protection (Windows Defender ATP) next-generation protection to stop new malware attacks before they can get started – often within milliseconds. -
Partnering with the industry to minimize false positives
Every day, antivirus capabilities in Microsoft Defender Advanced Threat Protection (Microsoft Defender ATP) protect millions of customers from threats. -
Small businesses targeted by highly localized Ursnif campaign
In social engineering attacks, is less really more? A new malware campaign puts that to the test by targeting home users and small businesses in specific US cities.