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Thus, beyond the simple absence of a request from the user's terminal to the meter server, it is necessary to ensure that all the information transmitted never allows the individual to be re-identified . Considerable resources are available to authorities capable of carrying out such re-identification . can be costly and complex , and may not always meet business operational needs.
To avoid these problems, professionals can also Email Data use solutions that do not transfer personal data outside the European Union. Some essential measures to follow The server performing the proxyfication must take numerous steps to limit the data transferred. The CNIL considers it essential : Failure to transmit the IP address to the measurement tool server . If the location is transmitted to the measurement tool server, it must be used by a proxy server and precisely ensure that this information does not allow re-identification of individuals.
Replacing the user ID with the proxy server. To ensure effective pseudonymization, the algorithm performing the permutation must ensure a sufficient level of collision (i.e. a sufficient probability that two different identifiers return the same result after hashing ) and a variable temporal component must be included.
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