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How to Find Servers Using MQTT and AMQP Protocols

ID: 31c74aab-2fd3-5e9e-b542-bb94b1b7a84f

STIX ID: report--31c74aab-2fd3-5e9e-b542-bb94b1b7a84f

Feed Name: Censys Blog

Threat Score
30/100

Date Published: 2019-03-19

Date Updated: 2026-04-27

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This Censys blog post describes how to find servers using MQTT and AMQP, reports that a large proportion of detected MQTT (≈64K) and AMQP (≈102K) services are exposed or misconfigured—including ~57K unencrypted MQTT hosts and ~35K accepting anonymous connections—and offers remediation guidance such as enabling TLS, requiring authentication, and isolating brokers behind firewalls.

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