I've managed to get another blog posted up on the Tripwire blog:

“Observability” is seemingly synonymous with “monitoring,” covering things such as metrics, traces, and logging. Observation, however, has an important distinction. IT security monitoring assumes the act of measuring and evaluating against a defined standard to identify “good” versus “bad,” whereas observability is more about gathering as much information as possible and then asking questions of the data based on experiences such as the occurrence of new events.

Hop over here to read it in full: https://www.tripwire.com/state-of-security/observation-vs-monitoring-whats-the-difference-in-the-world-of-cybersecurity