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The Register: Perplexity’s Comet browser naively processed pages with evil instructions

Aug 20, 2025

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Source URL: https://www.theregister.com/2025/08/20/perplexity_comet_browser_prompt_injection/ Source: The Register Title: Perplexity’s Comet browser naively processed pages with evil instructions Feedly Summary: Rival Brave flags prompt injection vulnerability, now patched To the surprise of no one in the security industry, processing untrusted, unvalidated input is a bad idea.… AI Summary and Description: Yes Summary: The text discusses a recently…

Embrace The Red: Amazon Q Developer for VS Code Vulnerable to Invisible Prompt Injection

Aug 20, 2025

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Kurt Seifried

in Uncategorized

Source URL: https://embracethered.com/blog/posts/2025/amazon-q-developer-interprets-hidden-instructions/ Source: Embrace The Red Title: Amazon Q Developer for VS Code Vulnerable to Invisible Prompt Injection Feedly Summary: The Amazon Q Developer VS Code Extension (Amazon Q) is a very popular coding agent, with over 1 million downloads. In previous posts we showed how prompt injection vulnerabilities in Amazon Q could lead…

Simon Willison’s Weblog: llama.cpp guide: running gpt-oss with llama.cpp

Aug 19, 2025

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Kurt Seifried

in Uncategorized

Source URL: https://simonwillison.net/2025/Aug/19/gpt-oss-with-llama-cpp/ Source: Simon Willison’s Weblog Title: llama.cpp guide: running gpt-oss with llama.cpp Feedly Summary: llama.cpp guide: running gpt-oss with llama.cpp Really useful official guide to running the OpenAI gpt-oss models using llama-server from llama.cpp – which provides an OpenAI-compatible localhost API and a neat web interface for interacting with the models. TLDR version…

Cloud Blog: Rightsizing LLM Serving on vLLM for GPUs and TPUs

Aug 19, 2025

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Kurt Seifried

in Uncategorized

Source URL: https://cloud.google.com/blog/topics/developers-practitioners/rightsizing-llm-serving-on-vllm-for-gpus-and-tpus/ Source: Cloud Blog Title: Rightsizing LLM Serving on vLLM for GPUs and TPUs Feedly Summary: Additional contributors include Hossein Sarshar and Ashish Narasimham. Large Language Models (LLMs) are revolutionizing how we interact with technology, but serving these powerful models efficiently can be a challenge. vLLM has rapidly become the primary choice for…

Cloud Blog: Now available: Cloud HSM as an encryption key service for Workspace client-side encryption

Aug 18, 2025

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Kurt Seifried

in Uncategorized

Source URL: https://cloud.google.com/blog/products/identity-security/introducing-cloud-hsm-as-an-encryption-key-service-for-workspace-cse/ Source: Cloud Blog Title: Now available: Cloud HSM as an encryption key service for Workspace client-side encryption Feedly Summary: Organizations in highly-regulated sectors, such as government, defense, financial services, and healthcare, are required to meet stringent standards to safeguard sensitive data. Client-side encryption (CSE) for Google Workspace is a unique, privacy-preserving offering…

Slashdot: LLM Found Transmitting Behavioral Traits to ‘Student’ LLM Via Hidden Signals in Data

Aug 17, 2025

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Kurt Seifried

in Uncategorized

Source URL: https://slashdot.org/story/25/08/17/0331217/llm-found-transmitting-behavioral-traits-to-student-llm-via-hidden-signals-in-data?utm_source=rss1.0mainlinkanon&utm_medium=feed Source: Slashdot Title: LLM Found Transmitting Behavioral Traits to ‘Student’ LLM Via Hidden Signals in Data Feedly Summary: AI Summary and Description: Yes Summary: The study highlights a concerning phenomenon in AI development known as subliminal learning, where a “teacher” model instills traits in a “student” model without explicit instruction. This can…

Embrace The Red: Amp Code: Invisible Prompt Injection Fixed by Sourcegraph

Aug 17, 2025

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Kurt Seifried

in Uncategorized

Source URL: https://embracethered.com/blog/posts/2025/amp-code-fixed-invisible-prompt-injection/ Source: Embrace The Red Title: Amp Code: Invisible Prompt Injection Fixed by Sourcegraph Feedly Summary: In this post we will look at Amp, a coding agent from Sourcegraph. The other day we discussed how invisible instructions impact Google Jules. Turns out that many client applications are vulnerable to these kinds of attacks…

Simon Willison’s Weblog: GPT-5 has a hidden system prompt

Aug 15, 2025

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Kurt Seifried

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Source URL: https://simonwillison.net/2025/Aug/15/gpt-5-has-a-hidden-system-prompt/#atom-everything Source: Simon Willison’s Weblog Title: GPT-5 has a hidden system prompt Feedly Summary: GPT-5 has a hidden system prompt It looks like GPT-5 when accessed via the OpenAI API may have its own hidden system prompt, independent from the system prompt you can specify in an API call. At the very least…

Simon Willison’s Weblog: The Summer of Johann: prompt injections as far as the eye can see

Aug 15, 2025

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Kurt Seifried

in Uncategorized

Source URL: https://simonwillison.net/2025/Aug/15/the-summer-of-johann/#atom-everything Source: Simon Willison’s Weblog Title: The Summer of Johann: prompt injections as far as the eye can see Feedly Summary: Independent AI researcher Johann Rehberger has had an absurdly busy August. Under the heading The Month of AI Bugs he has been publishing one report per day across an array of different…

Simon Willison’s Weblog: Open weight LLMs exhibit inconsistent performance across providers

Aug 15, 2025

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Kurt Seifried

in Uncategorized

Source URL: https://simonwillison.net/2025/Aug/15/inconsistent-performance/ Source: Simon Willison’s Weblog Title: Open weight LLMs exhibit inconsistent performance across providers Feedly Summary: Artificial Analysis published a new benchmark the other day, this time focusing on how an individual model – OpenAI’s gpt-oss-120b – performs across different hosted providers. The results showed some surprising differences. Here’s the one with the…

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