sidechannel

== English == === Alternative forms === side-channel === Etymology === From side +‎ channel. === Noun === sidechannel (plural sidechannels) (computing, security) An indirect source of information about what a system is doing, such as execution time, version number, etc. A small branch from the main flow of a river, hydraulic system, or electronic circuit. === Anagrams === candleshine, channelised