Google details security measures for Chrome’s agentic features | TechCrunch

Google details security measures for Chrome’s agentic features | TechCrunch

By Ivan Mehta
Publication Date: 2025-12-08 18:00:00

An increasing number of browsers are experimenting with agentic features that will take actions on your behalf, such as booking tickets or shopping for different items. However, these agentic capabilities also come with security risks that could lead to loss of data or money.

Google detailed its approach to handling user security on Chrome using observer models and consent for user action. The company previewed agentic capabilities on Chrome in September and said these features will roll out in the coming months.

The company said it is using the help of a few models to keep agentic actions in check. Google said it built a User Alignment Critic using Gemini to scrutinize the action items built by the planner model for a particular task. If the critic model thinks that the planned tasks don’t serve the user’s goal, it asks the planner model to rethink the strategy. Google noted that the critic model only sees the metadata of the proposed action and not the actual web…