52520339 story Ars: Cross-Platform Malware Communicates With Sound 245 Posted by timothy on Thursday October 31, 2013 @03:42PM from the beep-beep-you're-dead dept. An anonymous reader writes "Do you think an airgap can protect your computer? Maybe not. According to this story at Ars Technica, security consultant Dragos Ruiu is battling malware that communicates with infected computers using computer microphones and speakers." That sounds nuts, but it is a time-tested method of data transfer, after all.