INFOCON 1 is the cyber protection condition establishes a protection priority focus on critical and essential functions only.
INFOCON 1 describes the threat level system (defense system) that is used to defend against military attacks and is based fundamentally on the status of information systems i.e. on essential and critical functions of the system.
There are often five levels of INFOCON with INFOCON 1 being an acronym for "information operations condition 1" and is used in the United States of America and is carried out on attacks that were successful and could impact the missions of the Department of Defence and as such is only needed on occasions of extreme cyber risks.
In addition, INFOCON 1 describes the Computer Network Defense system at maximum alertness and any compromised systems in the network are completely isolated from the rest of the network to avoid further damage.
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