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Tag: GitHub Copilot

  • Simon Willison’s Weblog: Claude Sonnet 4.5 is probably the "best coding model in the world" (at least for now)

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    Kurt Seifried
    in

    Source URL: https://simonwillison.net/2025/Sep/29/claude-sonnet-4-5/ Source: Simon Willison’s Weblog Title: Claude Sonnet 4.5 is probably the "best coding model in the world" (at least for now) Feedly Summary: Anthropic released Claude Sonnet 4.5 today, with a very bold set of claims: Claude Sonnet 4.5 is the best coding model in the world. It’s the strongest model for…

  • Simon Willison’s Weblog: Cross-Agent Privilege Escalation: When Agents Free Each Other

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    Kurt Seifried
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    Source URL: https://simonwillison.net/2025/Sep/24/cross-agent-privilege-escalation/ Source: Simon Willison’s Weblog Title: Cross-Agent Privilege Escalation: When Agents Free Each Other Feedly Summary: Cross-Agent Privilege Escalation: When Agents Free Each Other Here’s a clever new form of AI exploit from Johann Rehberger, who has coined the term Cross-Agent Privilege Escalation to describe an attack where multiple coding agents – GitHub…

  • Embrace The Red: Cross-Agent Privilege Escalation: When Agents Free Each Other

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    Kurt Seifried
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    Source URL: https://embracethered.com/blog/posts/2025/cross-agent-privilege-escalation-agents-that-free-each-other/ Source: Embrace The Red Title: Cross-Agent Privilege Escalation: When Agents Free Each Other Feedly Summary: During the Month of AI Bugs, I described an emerging vulnerability pattern that shows how commonly agentic systems have a design flaw that allows an agent to overwrite its own configuration and security settings. This allows the…

  • Slashdot: Microsoft Favors Anthropic Over OpenAI For Visual Studio Code

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    Kurt Seifried
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    Source URL: https://developers.slashdot.org/story/25/09/17/1927233/microsoft-favors-anthropic-over-openai-for-visual-studio-code?utm_source=rss1.0mainlinkanon&utm_medium=feed Source: Slashdot Title: Microsoft Favors Anthropic Over OpenAI For Visual Studio Code Feedly Summary: AI Summary and Description: Yes Summary: Microsoft is shifting its preference towards Anthropic’s Claude 4 over OpenAI’s GPT-5 for its Visual Studio Code auto model feature and GitHub Copilot. The company is also increasing investments in its own…

  • The Register: Nvidia’s context-optimized Rubin CPX GPUs were inevitable

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    Kurt Seifried
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    Source URL: https://www.theregister.com/2025/09/10/nvidia_rubin_cpx/ Source: The Register Title: Nvidia’s context-optimized Rubin CPX GPUs were inevitable Feedly Summary: Why strap pricey, power-hungry HBM to a job that doesn’t benefit from the bandwidth? Analysis Nvidia on Tuesday unveiled the Rubin CPX, a GPU designed specifically to accelerate extremely long-context AI workflows like those seen in code assistants such…

  • Scott Logic: Leveraging Copilot to rapidly refactor test automation

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    Kurt Seifried
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    Source URL: https://blog.scottlogic.com/2025/09/10/leveraging-copilot-for-refactoring.html Source: Scott Logic Title: Leveraging Copilot to rapidly refactor test automation Feedly Summary: This blog explores how to best use GitHub Copilot to swiftly refactor existing test automation AI Summary and Description: Yes **Short Summary with Insight:** The text discusses the challenges and solutions related to test automation, particularly focusing on using…

  • Simon Willison’s Weblog: Cloudflare Radar: AI Insights

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    Kurt Seifried
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    Source URL: https://simonwillison.net/2025/Sep/1/cloudflare-radar-ai-insights/ Source: Simon Willison’s Weblog Title: Cloudflare Radar: AI Insights Feedly Summary: Cloudflare Radar: AI Insights Cloudflare launched this dashboard back in February, incorporating traffic analysis from Cloudflare’s network along with insights from their popular 1.1.1.1 DNS service. I found this chart particularly interesting, showing which documented AI crawlers are most active collecting…

  • Embrace The Red: Wrap Up: The Month of AI Bugs

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    Kurt Seifried
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    Source URL: https://embracethered.com/blog/posts/2025/wrapping-up-month-of-ai-bugs/ Source: Embrace The Red Title: Wrap Up: The Month of AI Bugs Feedly Summary: That’s it. The Month of AI Bugs is done. There won’t be a post tomorrow, because I will be at PAX West. Overview of Posts ChatGPT: Exfiltrating Your Chat History and Memories With Prompt Injection | Video ChatGPT…

  • Embrace The Red: AgentHopper: An AI Virus Research Project

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    Kurt Seifried
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    Source URL: https://embracethered.com/blog/posts/2025/agenthopper-a-poc-ai-virus/ Source: Embrace The Red Title: AgentHopper: An AI Virus Research Project Feedly Summary: As part of the Month of AI Bugs, serious vulnerabilities that allow remote code execution via indirect prompt injection were discovered. There was a period of a few weeks where multiple arbitrary code execution vulnerabilities existed in popular agents,…