2. The method of claim 1 , wherein generating the anonymization dictionary further comprises, for each target entity in the subset of target entities: assigning an entity type of the target entity, wherein generating the anonymization identifier for each target entity comprises storing the entity type in the anonymized identifier.
2. The method of claim 1 , wherein generating the anonymization dictionary further comprises, for each target entity in the subset of target entities: assigning an entity type of the target entity, wherein generating the anonymization identifier for each target entity comprises storing the entity type in the anonymized identifier. 3. The method of claim 2 , wherein the entity type is at least one selected from the group consisting of a user name, an email address, a domain name, an IP address, a port number, a host name, a company name, and a partner name.