How to secure WordPress installations in Plesk

Kuzma Ivanov

Updated July 19, 2026 10:38

Plesk for Windows kb: how-to Plesk for Linux ext: wptk ABT: Group A

Applicable to:

How to secure WordPress installations in Plesk?

Use WP Toolkit extension for Plesk to:
- keep WordPress instances, plugins and themes up-to-date by enabling automatic updates
- apply additional security measures:
  - apply critical security measures
  - mitigate vulnerabilities (requires WP Guardian add-on for Plesk)
Set up Plesk Password Strength Policy to Strong or Very Strong
Install and enable ModSecurity web application firewall
(Linux only) Install and enable Fail2Ban to protect the websites against brute force attacks