Anti-Phishing System and Method

Systems and methods for anti-phishing are disclosed. At a computing device: identifying, from a user input data stream, a first set of one or more characters, and a second set of one or more characters. The first set of characters represents a portion of first private information, and the second set of characters represents a portion of second private information. In accordance with a determination that the first set of characters and second set of characters are identified in accordance with a predefined sequential relationship, taking a protective action, prior to transmitting at least a subset of the characters of the first or second private information to a server remotely located from the computing device, to protect the first or second private information. In some implementations, the first private information includes a username, and the second private information includes a password corresponding to the username.