extenshi.io/blog

Articles tagged "chatgpt"

2 articles found

extension-security ai-security prompt-injection

Man-in-the-prompt attacks: how to stop browser extensions from hijacking your AI conversations

Any browser extension can silently inject commands into ChatGPT, Gemini, and Claude. Here's how man-in-the-prompt attacks work and how to stay safe.

Maxim Kosterin

February 23, 2026

8 min read

vpn-extensions privacy ai-chat-security

Urban VPN review: how a "Featured" Chrome extension harvested 8 million users' AI chats

Urban VPN Proxy secretly harvested ChatGPT, Claude, and Gemini chats from 8M users. A separate campaign hit 900K users in 20K+ enterprise tenants.

Maxim Kosterin

February 18, 2026

9 min read