WP Limit Login Attempts Plugin WordPress, Download, Install
Limit Login Attempts for login protection. Limit rate of login attempts and block IP temporarily. It is protecting from brute force attacks....
User Blocker Plugin WordPress, Download, Install
To block users from admin side except admin users for specific day,time, and date or permanently....
WangGuard Plugin WordPress, Download, Install
The most advanced protection against sploggers and spam users registration, is fully WordPress,WordPress MU ,BuddyPress and bbPress 2.0 compatible...