What Can Wireshark Tell You About an Encrypted Signal Conversation?

Signal may encrypt the message content, but that does not mean the traffic becomes invisible. In this article, I examine what Wireshark can still reveal about Signal communications, including DNS activity, TLS sessions, TCP and UDP flows, packet timing, traffic volume, call behavior, and endpoint relationships. It is a practical look at how packet analysis changes when application payloads are encrypted—and why Wireshark remains extremely valuable even when you cannot see the conversation itself.

Read the full article: https://www.cellstream.com/2026/09/24/wireshark-signal-encrypted-conversation/