Patent ID: 7873999

Claim:
A method for alerting a user regarding a potential threat on a data processing system, the method comprising the steps of: using the data processing system to execute steps comprising: determining an action time when an action is taken regarding executable content located at the data processing system, the action time being stored in a protected local storage medium, wherein the action comprises at least one of a first execution of the executable content, creation of the executable content, and modification of the executable content; tracking data sources visited by the user and entry times of data sources entered by the user using the data processing system, wherein at least one of the entered data sources comprises a website visited by the user; receiving an indication that the executable content is infected with a malicious code and an indication of a data source targeted by the malicious code, wherein the targeted data source comprises a website; determining whether an entered data source corresponds to the targeted data source; and when it is determined that an entered data source corresponds to the targeted data source, determining whether an entry time for the entered data source occurs after the action time, and when it is determined that the entry time for the entered data source occurs after the action time, sending a warning regarding the targeted data source to the user.