Abstract: A method of applying a policy comprises receiving a text and applying the policy to the text. If the policy is violated, the method further comprises redacting the text; reapplying the policy to the redacted text. In response to a result of reapplying the policy to the redacted text action is taken as determined by the policy.

Abstract: A method of applying a policy to a text comprises searching the text for data having a predefined form; and searching a dataset for additional data associated with any data having the predefined form found in the text. A supplementary search query is generated using said additional data; and the text is searched using the supplementary search query. The policy is then applied based on a result of the search using the supplementary search query.