Several years ago, NetFlow was arguably one of the most underutilized management assets relevant to network performance and security. It was generally available as a part of Cisco IOS software, but ...

While NetFlow data may traditionally be seen as a network infrastructure tool, smart security teams can get tons of benefits out of the collection of IP traffic statistics, too. "Security ...

Police departments release annual figures detailing the number of crimes committed in a given year. While these statistics may be useful for high-level planning, they don’t put anyone in jail. What is ...

NetFlow doesn’t track application layer information. While you can get a lot of information about what hosts are doing from stuff like port numbers, packet sizes, and IP addresses, you don’t have ...

Successful distributed denial of service (DDoS) triage and mitigation depend on two things: speed of detection and accuracy of detection. When users are considering a DDoS solution, I am often asked ...