How can device impersonation attacks be effectively prevented in a
ZTA?
SPA is a security protocol that prevents device impersonation attacks in a ZTA by hiding the network infrastructure from unauthorized and unauthenticated users. SPA uses a single encrypted packet to convey the user's identity and request access to a resource. The SPA packet must be digitally signed and authenticated by the SPA server before granting access.This ensures that only authorized devices can send valid SPA packets and prevents spoofing, replay, or brute-force attacks12.
Reference=
Zero Trust: Single Packet Authorization | Passive authorization
Single Packet Authorization | Linux Journal
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