Electronic countermeasures refer to the technologies and techniques designed to prevent or disrupt hostile electronic signals. There are several synonyms used to describe this technology, including electronic warfare, counter-IED, electronic protection, jamming, and electronic defense. Electronic warfare encompasses the use of electromagnetic weapons, radio frequency jamming, and electronic deception. Counter-IED involves the disabling of explosive devices, and electronic protection refers to defensive measures taken to prevent unauthorized access to electronic information. Jamming is the act of interrupting or blocking electronic signals, and electronic defense involves the defense against electronic attacks. These terms all refer to the use of technology and tactics to protect against electronic threats.