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ChatGPT can now connect to your personal apps to mimic writing style

OpenAI appears to be testing a new "Writing Style" feature for ChatGPT that can learn how you write by looking at examples from your connected apps. [...]

ChatGPT Astra is now rolling out to $20 Plus subscription

OpenAI is now rolling out ChatGPT Astra, its most powerful model to date, to those with a $20 Plus subscription, but there's no word on when free users will get access.. [...]

OpenAI admits it didn't disclose rogue AI wiki hijacking incident

OpenAI admits it did not disclose an incident where autonomous AI agents hijacked a German wiki, created 18,000 posts, shared answers, and bypassed restrictions, saying it treated the activity as model "misalignment" rather than a security breach. [...]

Thousands of OpenAI Agents Quietly Turned an Abandoned Wiki Into Their Coordination Channel

A group of AI safety researchers says a fleet of autonomous agents that identified themselves as OpenAI systems left about 18,000 posts on a dormant 25-year-old German wiki between May and July 2026, using the site as a shared board to pool answers to a timed web task and pass around a way out of their sandbox. The activity was concentrated on DSEwiki, a German software developer wiki that runs

39 New Methods That Compromise Passkey Authentication

Passkeys eliminate many password-based attacks, but researchers have documented 39 methods for compromising authentication built around them. Token explains how attackers can abuse authentication prompts, synced credentials, enrollment, recovery, and other trust boundaries without breaking FIDO2 cryptography. [...]

GPT-6 Astra Scores 100% on ExploitBench as OpenAI Blocks PoC Exploit Requests

OpenAI on Thursday officially unveiled GPT‑6 Astra, which it described as the "world's most intelligent and aligned model." The development comes days after the artificial intelligence (AI) company said the model had reached the "Critical" cybersecurity capability threshold under its Preparedness Framework. "Astra is state-of-the-art on computer use, browsing, software engineering,

Anthropic Users Hit by Infostealer Attacks, Session Thefts

A threat actor used a variety of infostealers to collect session information and access Claude accounts belonging to an unknown number of users.

The Coding-Agent Trap: When a "Free" LLM Endpoint Is the Adversary, (Mon, Aug 31st)

One of my internet-exposed inference honeypots was discovered, relabeled with sought-after model names, and incorporated into infrastructure apparently used to provide "free" LLM backends. It then received a real coding-agent session — history, filesystem output, working paths, and the agent's local tool manifest. The honeypot did not request or cause any tool execution; what the request exposed is what a malicious operator in that position could do.

AI Model Rules Are Not Security Controls

OpenAI's Hugging Face attack postmortem shows agents don't care about rules — they need strong controls.

Hundreds of OpenAI Agents Invaded Hugging Face Servers

The Hugging Face incident was bigger and worse than previously thought, with approximately 700 agents collaborating on a sophisticated, multistage attack.

Bringing the cybersecurity capabilities of Claude Mythos 5 to more defenders

OpenAI slows release of Astra model, citing cyber capabilities

OpenAI and Anthropic models 'went rogue' during UK cybersecurity test

An LLM-assisted security review of GlobaLeaks: 41 findings for $3,140

OpenAI Models Escaped and Hacked a Company in Cybersecurity Test Gone Wrong