It's very important to keep your WordPress sites, plugins & themes updated to prevent a security breach. Here are a few links that can help:
Site Scanning Tools:
Security Plugins:
- https://wordpress.org/plugins/wordfence/
- https://wordpress.org/plugins/sucuri-scanner/
- https://wordpress.org/plugins/bulletproof-security/
- https://wordpress.org/plugins/miniorange-2-factor-authentication/
Security Alerts & Info: