If you must use cloud (Ring, Arlo), enable . Most brands hide this in the advanced settings. Turn it on.

Many apps allow you to "black out" specific areas in the camera's field of view (like a neighbor’s porch) so they are never recorded. Audio Recording:

: The researchers developed and tested different types of physical privacy covers (manual, hybrid, and automatic) to give residents more tangible control over when they are being watched, rather than relying solely on software settings.

If you're looking for a compelling and recent deep dive, a highly relevant paper is "