Do I need TLS decryption to detect threats?

Not for many of them. Who talks to whom, when, how often and how much, together with the unencrypted TLSTLS: Transport Layer Security. The encryption that protects most internet traffic, such as HTTPS. handshake and DNS answers, stays visible without decryption. That is enough to see beaconing to a command-and-control server, scanning, lateral movement between internal hosts and unusual uploads, which are steps most intrusions take before they do damage. Decryption is needed to see content, such as a malicious file inside a download or the text of a command, and it brings costs: an interception proxy that holds keys and decrypted data, a company certificate on every managed device, apps that break, privacy and works-council questions, and blind spots on unmanaged devices. Many companies get better value from endpoint protection for files and processes on each machine, plus network detection for behaviour across all devices. NetSenX never decrypts traffic: its core detections run on every plan, and TLS fingerprints from the Starter plan where the agent captures packets.

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