It goes back and forth. As of a couple years ago, Safari sandboxed the network process which Chrome did not do. Chrome also sends a significant amount of person

It goes back and forth. As of a couple years ago, Safari sandboxed the network process which Chrome did not do. Chrome also sends a significant amount of personal data and usage data to Google and potentially other parties which significantly harms the supposed security. Having an always on data feed of the users actions (to enhance your advertising business) is not good security practice.