The History of Terrorism
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NSA Defense Against Hackers
Data diodes
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Unidirectional network
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NSA Defense Against Hackers
Unidirectional network
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1960s The idea of unidirectional networks have been around since the 1960s. This was developed further in the 1990s by Australia's Defence Science and Technology Organisation (DSTO) on the data diode and the Interactive Link.
Data diodes, devices that allow data to flow one way only, like water from a faucet, make it nearly impossible to hack high-side computers from the low side.