What is a Miner’s Canary?
Well, it’s a canary (these cute yellow songbirds some people have as a pet), and its main feature is that it dies before you will.
What the hack [pun intended]? And by the way… what has this to do with IT Security? Well… let me first quote Wikipedia on the birds:
“Canaries were once regularly used in coal mining as an early warning system. Toxic gases such as carbon monoxide, methane or carbon dioxide in the mine would kill the bird before affecting the miners. Signs of distress from the bird indicated to the miners that conditions were unsafe.” Source: https://en.wikipedia.org/wiki/Domestic_canary#Miner.27s_canary
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