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The understanding and promotion of integrity in information security has traditionally been underemphasized or even ignored. From implantable medical devices and electronic voting to vehicle control, the critical importance of information integrity to our well-being has compelled review of its treatment in the literature. Through formal information flow models, the data modification view, and the relationship to data quality, information integrity will be surveyed. Illustrations are given for databases and information trustworthiness. Integrity protection is advancing but lacks standardization in terminology and application. Integrity must be better understood, and pursued, to achieve devices and systems that are beneficial and safe for the future.

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