CompleteSecurityIsImpossible. Most people would agree to that. But some went further and claim ComputerSecurityIsImpossible which I disagree.
In matters of life, the media is saturated with messages on pathway to finacial security. When everyone is doing it, the security of society is affected, because we live in a GlobalVillage, and WhatGoesAroundComesAround? (see WhatYouResistPersists, and in this case, resisting insecurity).