Privacy Enhancing Technologies

A market for counter-surveillance is emerging, offering a vast array of methods to protect individual information, whether by blocking, distorting, deceiving or destroying the surveillance means. Another counter-surveillance strategy is also emerging, the use of surveillance technology to control controllers. Finally, technological solutions – the so-called privacy-enhancing technologies, or PETs – have been advocated for limiting data collection, providing anonymity, and otherwise mitigating the surveillance potential of technology itself. Hardware protection is widely utilised and accepted to provide an enhanced level of security in many systems. A similar approach is employed to protect privacy. In essence, by utilising specific hardware components, certain rules could be built into the system. These rules would represent specific privacy policies and rules for system operation. Under such a system, there would be no way that a software designer could bypass the privacy policies. PETs are an expanding field of great political and scientific interest and the European Commission has made PETs a priority and has set the following objectives: 1) supporting the development of PETs; 2) supporting the use of available PETs by data controllers; and 3) encouraging consumers to use PETs, also by promoting a EU-wide system of privacy seals. Are PETs the best possible answer to technology surveillance? Could PETs pose in their turn new ethical and policy issues?

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