Several browser extensions have been confirmed to be trojan programs.

Several Chrome and Edge browser extensions have been confirmed to be trojan programs. These extensions are used by up to 2.3 million users. This attack is unique because the browser extensions had appeared to be normal for years. It was only after a recent update that the extensions become trojan programs that gave third parties access to user accounts.

Read more:

https://cybernews.com/security/chrome-edge-hijacked-by-eighteen-malicious-extensions/