Microsoft Defender Antivirus
PulseAugur coverage of Microsoft Defender Antivirus — every cluster mentioning Microsoft Defender Antivirus across labs, papers, and developer communities, ranked by signal.
- 2026-08-05 product_launch Microsoft introduced a new ransomware response feature in Defender Antivirus capable of isolating compromised endpoints within 128 seconds. source
- 2026-08-05 product_launch Microsoft Defender Antivirus introduced a new autonomous response feature to isolate compromised endpoints within 128 seconds. source
3 day(s) with sentiment data
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New Windows zero-day exploit 'ShieldBreak' disclosed, possibly patched
A security researcher known as Nightmare Eclipse has disclosed a new zero-day vulnerability, dubbed ShieldBreak, affecting Microsoft Windows. This exploit allows for privilege escalation, granting system-level access fr…
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Microsoft Defender autonomously stops ransomware in 128 seconds
Microsoft has introduced a new feature in Microsoft Defender Antivirus that can autonomously isolate compromised endpoints within 128 seconds of detecting a high-severity alert. This rapid response aims to halt ransomwa…
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OpenAI merges Codex app into new ChatGPT desktop client
OpenAI has updated its desktop application, merging the Codex app into a new ChatGPT desktop client for Mac and Windows. This unified interface now offers three distinct modes: Chat for quick queries, Work for sustained…
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Windows Telemetry GDID Used to Track and Arrest Hacker
The recent arrest and extradition of hacker Peter Stokes have highlighted the role of Microsoft Windows' Global Device Identifier (GDID) in tracking users. Authorities used Windows telemetry data, including the GDID and…
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Microsoft warns of AI agent data theft via poisoned tool descriptions
Microsoft has issued a warning about a security vulnerability in Model Context Protocol (MCP) tools, dubbed "MCP tool description poisoning." Attackers can embed hidden instructions within the natural-language metadata …
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Llama-b9856 flagged as Trojan by Windows Defender
A user attempting to run the Llama-b9856 model on Windows with CUDA 12.4 encountered an issue where Microsoft Defender Antivirus flagged the software as a Trojan. The antivirus program identified the threat as Wacatac.H…
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Windows Defender 'BlueHammer' vulnerability actively exploited despite patch
The 'BlueHammer' vulnerability in Windows Defender, which allows attackers to gain SYSTEM-level access, is actively being exploited in ransomware campaigns. Despite Microsoft releasing a patch on April 14, CISA has issu…
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Microsoft report: Employees ready for AI, but companies lag behind · 2 sources tracked
A recent report from Microsoft indicates that while employees are ready to embrace AI in the workplace, many organizations and leaders are lagging behind. The report, based on a survey of 20,000 AI users and analysis of…
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Nightmare Eclipse releases new Windows zero-day exploits targeting Defender and BitLocker
A cybersecurity researcher known as Nightmare Eclipse has released two new zero-day exploits targeting Microsoft Windows: RoguePlanet and GreatXML. RoguePlanet exploits a vulnerability in Windows Defender to achieve SYS…
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Microsoft: AI business impact depends on integrated systems
Microsoft emphasizes that AI's true business impact hinges on the underlying systems, not just the AI models themselves. The company highlights the importance of integrated platforms like Foundry and Azure for deploying…
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Microsoft rolls out new AI code model, enhances Windows AI agent controls
Microsoft is launching MAI-Code-1-Flash, a 137B parameter sparse MoE model, for GitHub Copilot users in VS Code starting June 2. This new model will be priced at $0.75 per million input tokens and $4.50 per million outp…
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Fake PC utility downloads install crypto miners via search and AI
Scammers are exploiting search engine results and AI chatbot responses to trick PC users into downloading malicious software. These fake downloads of popular utilities install crypto miners and other harmful payloads, w…
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Cursor IDE users report frequent disappearance of application executable
Users of the Cursor IDE are experiencing issues with the application's executable file, cursor.exe, frequently disappearing. This problem is particularly disruptive for those using AI agents within the IDE, as their cus…
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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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Windows Defender blocks and deletes user-created cursor.exe files
Users of the Cursor IDE are reporting that Windows Defender is actively blocking and deleting the application's executable file. This issue prevents users from opening Cursor and requires them to reinstall the program r…
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Windows Defender security settings are off by default, users urged to enable them
This article highlights five crucial security settings within Windows Defender that are disabled by default. It emphasizes the importance of enabling these features to maximize the protection offered by the antivirus so…
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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…