Packet Injection
Noun · Security & Infosec
Definitions
The insertion of crafted packets into a network flow or medium to disrupt communications, spoof traffic, exploit protocol behavior, or trigger device responses. Packet injection is common in wireless attacks, protocol testing, and some man-in-the-middle scenarios.
In plain English: Sending specially crafted packets into a network to influence or attack it.
Example: "The researcher used packet injection to simulate a rogue response on the lab network and observe how the devices reacted."