negative
Positive vs. negative security: Choosing an AppSec model | TechTarget
An effective application security model is essential to protecting apps from threats and vulnerabilities. Two common models are positive security and negative security. While both approaches secure applications, they do so in different ways. In general, positive security models only allow approved traffic and actions and deny other requests, and negative security models block…
A beginner’s guide to power of IQ data and beauty of negative frequencies – Part 2
Introduction and editor’s note This is a two-part series where DI authors Damian and Phoenix Bonicatto explore the IQ signal representation and negative frequencies. Part 1 explains the commonly used SDR IQ signal representation and negative frequencies without the complexity of math. This final part (Part 2) presents a device that allows you to play…
A beginner’s guide to power of IQ data and beauty of negative frequencies – Part 1
Editor’s Note: This is a two-part series where DI authors Damian and Phoenix Bonicatto explore IQ signal representation and negative frequencies to ease the understanding and development of SDRs. Part 1 explains the commonly used SDR IQ signal representation and negative frequencies without the complexity of math. Part 2 (to be published) presents a device…