Interestingly DDoS attacks have moved beyond the simple large volume attacks of yore to sophisticated, dynamic combinations of stealthy multi-vector application-level attacks and even campaigns of attacks that morph while they’re in progress. This requires a multi-layered approach to your DDoS security that includes on-premises, in-line protection and intelligent communication with your ISP or MSP, so it knows to deploy its own DDoS defenses when necessary.