1. A method, comprising: receiving, at a trustee via a computer network, metrics generated by a trustor that represent a pre-defined trust condition between the trustor and the trustee; establishing a trust relationship between the trustee and the trustor via the computer network based on the pre-defined trust condition; while the trust relationship is in force in a currently running state of the trustee and the trustor, comparing the generated metrics to current metrics of the trustee in response to an event detected internally within the trustee that changes the pre-defined trust condition; and issuing a distrust signal via the computer network by the trustee in response to a mismatch between the generated metrics of the trustor and the current metrics of the trustee, wherein the distrust signal indicates to the trustor that the trust relationship is no longer valid.