The most advanced protection against sploggers and spam users registration, is fully WordPress,WordPress MU ,BuddyPress and bbPress 2.0 compatible

WangGuard 10,000+ active installs Tested with 4.7.4 Updated 3 months ago

Force SSL everywhere

A simple plugin that forces SSL on all pages when logged in.

Bostjan Cigan 100+ active installs Tested with 3.5.2 Updated 4 years ago