Knowing that your network is secure means that your data and network assets are protected. Exchange provides many report options for gathering network security statistics to validate the state of your network's security.
Related topics:
Security Event Rate of Occurrence
Security Event Response Time
Threat Exposure: Daily
Threat Exposure: Monthly
Top 10 Types of Attack
Top 10 Attacked Hosts
Top 10 Sources of Attack
Pix Audit Log