How to Fix Brute Force Attacks in cPanel
Posted about 10 months ago 5.2kSigns of Brute Force Attack
Indicators: Many failed logins, high CPU, locked accounts.
cPHulk Protection
WHM → Security Center → cPHulk → Enabled by default – blocks IPs after failed attempts.
Additional Protection
Enforce Strong Passwords
cPanel → Password & Security → Use strong passwords for all accounts.
Limit Login Attempts
Configure cPHulk settings for stricter limits.
Enable 2FA
Two-Factor Authentication for cPanel and email.
Defense Layers Table
| Layer | Tool |
|---|---|
| IP blocking | cPHulk |
| Strong auth | Password + 2FA |
| Rate limiting | CSF/LFD if available |
| Monitoring | Check login logs |