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Methods, apparatus, and systems for signal continuity assess ment using embedded watermarks are provided. The embed ded watermarks are recovered from the content and one or more attributes associated with the recovered watermarks are identified. A continuity of the content can then be assessed in accordance with the one or more attributes. The continuity assessment may be based on a variety of factors, including but not limited to a determined heartbeat of the recovered water marks, a density, separation, location, or extent, of the recov ered watermarks, as well as information associated with the watermarks, such as a stego key, channel bits, packet num bers, a fingerprint, or the like.