Tor is disabled in SecBrowser. See Tor Browser 10 without Tor - #7 by 2-unglaubig and https://gitlab.com/whonix/tb-starter/-/commit/e986d5f9ac77ad926f20ad37a9920bc58a356b35 and https://gitlab.com/whonix/tb-starter/-/blob/master/usr/share/secbrowser/user.js. Are you using Kicksecure alone or with Whonix-gateway?