Cyber Glossary - J
Jamming – An attack in which a device is used to emit electromagnetic energy on a wireless network’s frequency to make it unusable. (SP 800-48) (NISTIR)
An attack that attempts to interfere with the reception of broadcast communications. (CNSSI-4009) (NIST)
Joint Authorization – Security authorization involving multiple authorizing officials. (SP 800-37) (NISTIR)
Joint Cyber Planning Cell - A proposed cell within the Cybersecurity and Infrastructure Security Agency that would facilitate comprehensive operational planning of defensive, non-intelligence cybersecurity campaigns across agencies. SOURCE: Cyberspace Solarium Commission Final Report, 2020