One frame in a packet-switched message. Most data communications is based on dividing the transmitted message into packets. For example, an Ethernet packet can be from 64 to 1,518 bytes in length.

If you’ve ever been to a capture the flag hacking competition (CTF), you’ve probably seen some steganography challenges. Steganography is the art of concealing data in plain sight. Tools including ...

Have you ever performed surgery on data packets? There are times when that may be the best way to troubleshoot and optimize your network. This edition of the Packet Professor will get you started in ...

Countless pieces of software, protocols and complex interdependencies together form a system for which it is difficult to guarantee any particular property—particularly security. Even software ...