As of version 147 #Firefox on #Android FINALLY supports #SiteIsolation, making side channel attack much more difficult and improving security:
https://www.firefox.com/en-US/firefox/android/147.0/releasenotes/

Site Isolation groups and isolates websites on individual sandboxes processes. More info:
https://en.wikipedia.org/wiki/Site_isolation
https://blog.mozilla.org/security/2021/05/18/introducing-site-isolation-in-firefox/

Also applies to #IronFox, #Fennec and such (check their release notes).

#Browser #WebBrowser #Security #FirefoxAndroid #Mozilla