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    Blog Posts

    Diagram showing Windows Defender ATP querying Windows Defender SmartScreen

    Tackling phishing with signal-sharing and machine learning

    Across services in Microsoft Threat Protection, the correlation of security signals enhances the comprehensive and integrated security for identities, endpoints, user data, cloud apps, and infrastructure. Our industry-leading visibility into the entire attack chain translates to enriched protection that’s evident in many different attack scenarios, including flashy cyberattacks, massive malware campaigns, and even small-scale, localized...

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    Microsoft AI competition explores the next evolution of predictive technologies in security

    Predictive technologies are already effective at detecting and blocking malware at first sight. A new malware prediction competition on Kaggle will challenge the data science community to push these technologies even further—to stop malware before it is even seen. The Microsoft-sponsored competition calls for participants to predict if a device is likely to encounter malware...

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    Windows Defender ATP

    Insights from the MITRE ATT&CK-based evaluation of Windows Defender ATP

    In MITRE’s evaluation of endpoint detection and response solutions, Windows Defender Advanced Threat Protection demonstrated industry-leading optics and detection capabilities. The breadth of telemetry, the strength of threat intelligence, and the advanced, automatic detection through machine learning, heuristics, and behavior monitoring delivered comprehensive coverage of attacker techniques across the entire attack chain. MITRE tested the...

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    Analysis of cyberattack on U.S. think tanks, non-profits, public sector by unidentified attackers

    Reuters recently reported a hacking campaign focused on a wide range of targets across the globe. In the days leading to the Reuters publication, Microsoft researchers were closely tracking the same campaign. Our sensors revealed that the campaign primarily targeted public sector institutions and non-governmental organizations like think tanks and research centers, but also included...

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    Windows Defender ATP device risk score exposes new cyberattack, drives Conditional access to protect networks

    Several weeks ago, the Windows Defender Advanced Threat Protection (Windows Defender ATP) team uncovered a new cyberattack that targeted several high-profile organizations in the energy and food and beverage sectors in Asia. Given the target region and verticals, the attack chain, and the toolsets used, we believe the threat actor that the industry refers to...

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    Attack uses malicious InPage document and outdated VLC media player to give attackers backdoor access to targets

    Our analysis of a targeted attack that used a language-specific word processor shows why it’s important to understand and protect against small-scale and localized attacks as well as broad-scale malware campaigns. The attack exploited a vulnerability in InPage, a word processor software for specific languages like Urdu, Persian, Pashto, and Arabic. More than 75% of...

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    Windows Defender Antivirus can now run in a sandbox

    Windows Defender Antivirus has hit a new milestone: the built-in antivirus capabilities on Windows can now run within a sandbox. With this new development, Windows Defender Antivirus becomes the first complete antivirus solution to have this capability and continues to lead the industry in raising the bar for security. Putting Windows Defender Antivirus in a...

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    Office VBA + AMSI: Parting the veil on malicious macros

    As part of our continued efforts to tackle entire classes of threats, Office 365 client applications now integrate with Antimalware Scan Interface (AMSI), enabling antivirus and other security solutions to scan macros and other scripts at runtime to check for malicious behavior. Macro-based threats have always been a prevalent entry point for malware, but we...

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