Method and device for detecting spoofed messages

摘要

A message checking method comprising:obtaining an operation characteristic during creating a message by a message sender (S10); adding the obtained operation characteristic to the message by the message sender (S11); sending the message, to which the operation characteristic has been added, to a destination of the message by the message sender (S12); receiving the message by a message receiver; collating the operation characteristic added to the received message with a registered operation characteristic by the message receiver; and issuing a warning depending on a collation result by the message receiver. The operation characteristics may be the keystroke dynamics when typing predetermined words, operation of a mouse or the attitude of a portable terminal. The method can verify the sender of the message.