WHMCS Security
Harden, Detect, Recover
WHMCS Security is an advanced security module that hardens WHMCS installations, detects and blocks exploits, prevents third-party theme/addon vulnerabilities, and automates secure backups and recovery. Proven: over 1,000+ hosting companies protected in 2025.
- Protect against third-party plugin vulnerabilities
- Automated threat detection and response
- Zero-downtime security hardening
- Complete audit trail for compliance
Starting at
$99
One-time license
1,000+
Protected Companies
99.9%
Detection Rate
<1min
Response Time
24/7
Monitoring
Why WHMCS Security Matters
In 2024–2025 multiple hosting companies were compromised through third-party plugin and theme vulnerabilities. Traditional security measures often fail to address the unique challenges of WHMCS environments, where billing data, customer information, and automation endpoints create multiple attack vectors.
WHMCS Security addresses those gaps with automated protections built specifically for WHMCS environments, reducing breach risk and hardening billing and automation endpoints. The module integrates with your billing workflow to keep customer operations uninterrupted while security runs silently in the background.
Unlike generic security plugins, WHMCS Security understands the specific architecture of WHMCS, protecting critical areas like the client area, admin panel, API endpoints, payment gateways, and provisioning modules.
Security Threats We Address
Protection against the most common threats facing hosting companies today.
Third-Party Plugin Vulnerabilities
Sandboxes and monitors all third-party code to prevent exploitation.
Theme Exploits
Scans and hardens theme files, preventing unauthorized code execution.
Brute Force Attacks
Enforces 2FA, rate limiting, and intelligent threat detection.
Data Breaches
Encryption and access controls ensure sensitive data remains protected.
Key Features
Technical Specifications
Supported Versions
WHMCS 7.0 through 8.x (all versions)
Installation
Upload module, run DB script, configure API keys, enable protection
Requirements
- PHP 7.4+ (PHP 8.x recommended)
- MySQL 5.7+ or MariaDB 10.2+
- WHMCS 7.0 or higher
Admin Interface
Threat dashboard, quarantine, scheduled scans, alerts
FAQ
Does WHMCS Security slow down my installation?
No, WHMCS Security runs efficiently in the background with minimal performance impact. Most security checks are performed asynchronously.
Can I use this with third-party themes?
Yes, WHMCS Security is designed to work with all major WHMCS themes and includes sandboxing features specifically for third-party themes.
What happens if a threat is detected?
The module automatically blocks the threat, quarantines affected files, sends alerts to administrators, and logs all details for review.
Protect Your Business Today
Join 1,000+ hosting companies trusting WHMCS Security. 30-day money-back guarantee.