Verisign: In a 2009 survey, 74 percent of enterprises said they had experienced at least one distributed denial-of-service (DDoS) attack during the past year. And those attacks have become harder to counter than in previous years. What can enterprises do? Verisign offers five best practices:
- Centralize data gathering and understand trends.
- Define a clear escalation path.
- Use layered filtering.
- Build in scalability and flexibility.
- Address application and configuration issues.