1. A method for computer security, comprising: displaying, by a programmable computing device executing instructions, an electronic document; detecting, by the computing device, a request to traverse a link, wherein the link is associated with an element of the document; evaluating, by the computing device, an attribute, wherein the attribute is associated with the element of the document and wherein evaluating the attribute includes determining whether a destination associated with the link was enumerated; and determining, by the computing device, whether to traverse the link based on the evaluation.