1. Thomas E. Noonan President and Chief Executive Officer Issues in eBusiness Security

2. Internet Security Systems Overview Founded 1994, headquarters in Atlanta, GA Pioneered security assessment and intrusion detection technology Network IDnA market share leader – 49% Public company: NASDAQ - ISSX Global operations in 14 countries serving over 5,500 customers Over 900 employees worldwide 18 successive quarters of growth Pioneer and leader in Remote Managed Security Services

3. Business Summary Pre-IPO Dec. 1997 Pre-IPO Dec. 1997 ISS Dec. 1998 ISS Dec. 1998 ISS Dec. 1999 ISS Dec. 1999 # Products # Customers # Services Headcount # Strategic Alliances Headcount Global Expansion # Products # Customers # Services Headcount # Strategic Alliances Headcount Global Expansion 3 1,500 3 141 6 $13.5M 8 3,000 46 9 328 9 $35.9M 16 5,500 100 15 800 11 $116.5M # International Offices Revenue # International Offices Revenue

4. Market Drivers

5. Key to Security Management Growth Internet user and transaction growth eBusiness is a priority Benefits and risks of open systems Dynamic networks and security confusion Growing internal and external threats Limited security resources and expertise Security is embedded and heterogeneous Security management becoming too complex

6. eBusiness Technology Adoption

7. eBusiness Transformation

8. The Internal Threat is Real

9. The Outside Threat is Growing

10. The Security “Skills Gap” In addition, the ability of organizations to adopt and maintain a secure environment has not kept pace with technology change...

11. Downtime is Rising

12. Security is Complex Source: Forrester Research Access control E-mail scanning Authentication VPN Mobile code Firewall Scanning Intrusion detection Anti virus URL filtering PKI

13. Business is changing, security must

14. The Security Market is Changing Infrastructure Security vs. Security Management

15. Enterprise Security Management

16. Business-Driven Security Solutions

17. What’s Appropriate for my Business?