06 Oct, 2026

Spoofed AI sidebars can trick Atlas, Comet users into dangerous actions

OpenAI’s Atlas and Perplexity’s Comet browsers are vulnerable to attacks that spoof the built-in AI sidebar and can lead users into following malicious instructions. The AI Sidebar Spoofing attack was devised by researchers at browser security company SquareX and works on the latest versions of the two browsers. The researchers created three realistic attack scenarios where a […]

3 mins read

OpenAI is testing a new GPT-5-based AI agent “GPT-Alpha”

OpenAI is internally testing a new version of its AI agent, which uses a special version of GPT-5 dubbed “GPT-Alpha.” Earlier today, OpenAI accidentally pushed an unreleased feature to everyone. As you can see in the above screenshot shared on X, the new feature is called “Agent with Truncation” and it can be found under Alpha Models. […]

1 min read