In the last decades, digital security has gone through many theoretical breakthroughs, practical developments, worldwide deployments and subtle flaws in a continuous loop. It is mainly understood as a property of a technical system, which is eventually built as a tangible piece of technology for common people to use. It has therefore been assessed in terms of its correctness because it may easily go wrong, of its usability because it may be difficult to interact with, and of its economics because it may be inconvenient to deploy, maintain or re-deploy.
In line with the theme “Evolving Security” of this year’s Security Protocols Workshop, our view is that the shape of security as outlined above is in fact getting more and more multifaceted as we write. It was at the same event last year when we depicted an additional facet of security that is its being beautiful , namely inherently desirable for its users. Here, we further observe that security should be invisible in the sense that the user’s perceived burden of complying with it be negligible. Through a few past, present and (advocated) future examples, this position paper supports invisibility as yet another desirable facet of security.
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