The only truth on a network is revealed with a packet sniffer. Laura Chappell, network packet analysis goddess, has some free online packet analysis animated demos available here.

With the constant news headlines about data theft it is mandatory that organizations understand what data is entering, traversing, and leaving their networks and have the ability to examine that data ...

In the tradition of other great network analysis tools like Bro and Sourcefire, Corelight gives security pros deep insight into data traffic on the systems they defend. I’ve long been a huge fan of ...

Any Windows packet analysis guide that starts with "download Wireshark" may be skipping a very important step, especially since Windows already has a built-in packet analyzer. It's called PktMon ...

Packet capture has long been used by network operators, but a variety of challenges have limited its effectiveness in security and threat detection. In large networks, packet capture can collect ...

As cybersecurity threats become more sophisticated, organizations need a way to quickly detect and stop an attack or track and analyze its after-effects for clues. One important tool available to ...

The overall equation is pretty simple: If you want to understand network traffic, you really should install Wireshark. And, if you really want to use Wireshark effectively, you should consider this ...