Microsoft Defender
PulseAugur coverage of Microsoft Defender — every cluster mentioning Microsoft Defender across labs, papers, and developer communities, ranked by signal.
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Microsoft Defender Vulnerability Allows Antivirus Disablement
A security vulnerability has been discovered in Microsoft Defender, a component of Microsoft Windows. This flaw allows a driver to be used to disable the antivirus software, potentially leaving systems exposed to threat…
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Shieldbreaker exploit targets Windows, impacting Microsoft Defender post-Patch Tuesday
A newly discovered exploit, dubbed Shieldbreaker, has targeted Microsoft Windows systems, specifically impacting Microsoft Defender. This vulnerability emerged shortly after Microsoft's Patch Tuesday updates, raising co…
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Windows 11 bug causes VLC media player MP3 playback delay
A bug in Windows 11, attributed by VLC developers to Microsoft Defender, is causing significant delays, up to 33 seconds, when the VLC media player starts playing MP3 files. This issue arises when Microsoft Defender qua…
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New MCP Protocol Vulnerability Poses Major AI Security Risk
A new security vulnerability, identified as CVE-2024-21348, has been discovered in the Microsoft Communication Protocol (MCP). This protocol is widely used by AI agents, and its widespread adoption presents a significan…
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Microsoft recognized as leader in cloud-native application protection
Microsoft has been recognized as a leader in cloud-native application protection platforms (CNAPP) by KuppingerCole. The company's offerings, including Microsoft Entra and Microsoft Defender, were highlighted in the Lea…
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Microsoft Copilot vulnerability allows 'word worm' to spread
A security vulnerability has been discovered in Microsoft's Copilot, allowing a "word worm" to spread and cause disruption. The worm exploits the AI assistant to propagate itself, impacting various web browsers includin…
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Survey details dual-use risks of LLMs in cybersecurity and privacy
A new survey paper details the dual-use risks of large language models (LLMs) and generative AI in cybersecurity and privacy. The paper highlights how these technologies can be used for both advanced defense mechanisms,…
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Microsoft Defender sufficient for Windows 11, evidence suggests
Microsoft has removed a post that suggested its built-in Microsoft Defender Antivirus was sufficient for most Windows 11 users. This action has raised questions about the necessity of third-party antivirus software. How…
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Microsoft Defender Email Security Benchmarking Report Released
Microsoft has released a report detailing the effectiveness of its Defender email security over the past year. The findings highlight key insights into the system's performance in identifying and mitigating email-based …
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AI Agent Automates Cloud Security Remediation, Slashing Response Times
CloudSecAIOps is a new system designed to automate cloud security remediation by leveraging AI agents and GitOps principles. It aims to significantly reduce the mean-time-to-remediate (MTTR) from hours to minutes by int…
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Microsoft ships Agent 365 SDK, prioritizing AI agent governance
Microsoft has launched the Agent 365 SDK, emphasizing governance and control for enterprise AI agents. The new SDK integrates identity, policy, and data controls directly into the agent development process, shifting foc…
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Microsoft's MDASH security AI exits preview with 100+ threat-hunting agents
Microsoft's MDASH security platform has exited its preview phase, now offering over 100 specialized AI agents. These agents are designed to identify exploitable vulnerabilities within software. The system aims to connec…
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Microsoft Defender Zero-Days Exploited; Emergency Patch Released
Microsoft is issuing an emergency update for its Defender security software following confirmation from CISA that two zero-day vulnerabilities are actively being exploited. One vulnerability, CVE-2026-41091, allows for …
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Microsoft Security Copilot uses AI agent for autonomous threat detection
Microsoft has developed a Dynamic Threat Detection Agent (DTDA) integrated into its Security Copilot, designed to autonomously investigate security incidents and generate novel alerts. This agent utilizes a unified acti…
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Microsoft Agent 365 goes GA, offering governance for enterprise AI agents
Microsoft has announced the general availability of Agent 365, a platform designed to manage and secure the growing number of AI agents within enterprise environments. The service aims to provide end-to-end observabilit…