Wireshark

Noun · Security & Infosec · Origin: 1998

Definitions

  1. The world's most widely used network protocol analyzer, allowing users to capture and interactively inspect network traffic down to the individual packet level. Formerly known as Ethereal.

    In plain English: A tool that lets you see every piece of data flowing through a network, like tapping a phone line but for internet traffic.

Etymology

1998
Gerald Combs releases Ethereal, a free network protocol analyzer, while working at an ISP in Kansas City
2006
Ethereal is renamed Wireshark after Combs changes employers and cannot keep the Ethereal trademark
2010s
Wireshark becomes the world's most widely used network analysis tool, a standard in both education and incident response

Related Terms