Embodiments of the invention relate to partial authentication to access incremental information. An aspect of the invention concerns a method of authorizing access to information that comprises providing an initial segment of a password wherein the password includes password segments each associated with an incremental portion of the information. In response to the initial password segment satisfying an expected value, the method may authorize access to the information portion associated with the initial password segment. The method may authorize access to other information portions associated with subsequent segments of the password in response to the subsequent password segments satisfying respectively expected values.