Update: Researchers Use Weezer Tune To Knock Defibrillators Offline

Researchers from multiple universities demonstrated proof-of-concept electromagnetic interference (EMI) signal-injection attacks against analog sensors in implantable cardiac devices and consumer electronics, showing that under ideal open-air conditions specially crafted signals (including an audio waveform) could inhibit pacing and, in one case, induce a defibrillation shock at distances up to ~1–2 meters; however, susceptibility dropped sharply when devices were submerged in saline (simulating implantation), suggesting limited real-world risk, and the paper proposes mitigation techniques such as analog shielding and a signal-contamination metric.