Secure operation of implanted device

A computer program product comprising:

• (a) program instructions configured to perform a process in a computing device of an animal-implantable medical apparatus, the process comprising:
• receiving a communication originated by a source external to the animal;
• detecting an indication of a malware in the received communication;
• and
• implementing in the implanted medical apparatus a countermeasure responsive to the detected indication of malware in the received communication;
• and
• (b) a computer-readable signal-bearing medium bearing the program instructions.

A medical device configured for at least partial implantation in a living subject, the device comprising:

• means for at least one of receiving or transmitting a communication;
• means for detecting an indication of a malware in a received communication;
• and
• means for implementing in an element of the implanted medical device a countermeasure responsive to the detected indication of malware in the received communication.