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While there are various security measures, Security by CleanTalk is an indispensable plugin for safely operating WordPress sites, as it provides comprehensive security features.

Here’s what CleanTalk can do:

Security firewall for filtering access to the site by IP, network, or country
Web Application Security Firewall
Security malware scanner and antivirus function
Daily automatic malware scans
Blocking brute force attacks attempting to hack passwords
Blocking brute force attacks on WordPress accounts
Restricting login attempts
Security protection for WordPress login forms
Security protection for the WordPress backend
Daily security reports via email
Security audit log
Real-time traffic monitoring
Checking outbound links
Two-factor authentication
Maintaining a malware-free site to improve SEO. (If infected with malware, a warning message will be displayed in Google Chrome, and access to the site will be blocked.)