LepideAuditor - LepideAuditor Suite - A change auditing software for Active Directory, GPO and Exchange Server.
Imperva SecureSphere - Get the flexibility, reliability, and performance you need to protect your business. SecureSphere covers you both on-premises or in the cloud.
NetWrix Auditor - Configuration Auditing of IT Infrastructure
Barracuda Web Application Firewall - Barracuda Web Application Firewall offers security and DDoS protection against automated & targeted attacks.
ShareAlarmPro - ShareAlarmPro is network access control and monitoring software, the software designed for monitoring file and folder access from network computers
ModSecurity - ModSecurity is an Open Source web application firewall developed by Trustwave's SpiderLabs.