jailbreaking
the process of removing software restrictions on an iOS device, allowing the user to run apps not downloaded from the official app store.
jamming
an attack in which radio waves disrupt 802.11 wireless signals
job rotation
the policy of preventing any one individual performing the same role or tasks for too long. This deters fraud and provides better oversight of the person’s duties.
jump server
a hardened server that provides access to other hosts. Also known as jumpbox.