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Potential use of GPS spoofing against a naval vessel
Potential use of GPS spoofing against a naval vessel
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ATM user authenticating himself
ATM user authenticating himself
A security hologram label on an electronics box for authentication
A security hologram label on an electronics box for authentication
NSA KAL-55B Tactical Authentication System used by the U.S. military during the Vietnam War – National Cryptologic Museum
NSA KAL-55B Tactical Authentication System used by the U.S. military during the Vietnam War – National Cryptologic Museum
A military police officer checks a driver's identification card before allowing her to enter a military base.
A military police officer checks a driver's identification card before allowing her to enter a military base.