| Summary: | The DDoS attack using an internet device on October 21, 2016, generated a flurry of suggestions from vast number of pundits. What if the attacks were not limited to social media sites but instead targeted heart monitors to deliver shocks to patients with cardiac arrhythmia? In this article the potential of personal security agents (PSA) is suggested as a modular tool to model people, process, bits and atoms (objects) with layers to address trust, privacy and security. Can we explore the potential of creating wrappers within these layers to include cognitive firewalls?
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