Microsoft has issued an Xbox Live service alert of phishing scams operating through Call of Duty: Modern Warfare 2.

Phishing scams are an attempt to acquire personal information about a user, such as usernames, passwords or credit card details, by posing as a trustworthy source.

The service alert warns: "Users may receive potential phishing attempts via title specific messaging while playing Modern Warfare 2."

Though information regarding the source of the messages has not been released, the phishing messages are likely perpetuated by individual Xbox Live accounts. There is no indication that it is a hack of the Xbox Live service similar to the breach of the PlayStation Network.

Microsoft stated that it is "working to resolve the issue".