Security firm KOI shared a list of 8 browser extensions that harvest all your AI chat information:

Chrome Store:

• Urban VPN Proxy: 6 million users
• 1ClickVPN Proxy: 600,000 users
• Urban Browser Guard: 40,000 users
• Urban Ad Blocker: 10,000 users

Edge Add-ons:

• Urban VPN Proxy: 1,32 million users
• 1ClickVPN Proxy: 36,459 users
• Urban Browser Guard – 12,624 users
• Urban Ad Blocker – 6,476 users

8 million SE users have installed them. All of them are from the same company: Urban Cyber Security. It started happening in July 2025.