The "Five Eyes" is an intelligence alliance comprising five countries: Australia, Canada, New Zealand, United Kingdom, and United States. This partnership focuses on sharing intelligence, particularly signals intelligence, to enhance national security and counter threats. Established after World War II, the alliance allows these nations to collaborate on surveillance and information gathering. Each member contributes unique capabilities and resources, facilitating a comprehensive approach to global security challenges. The cooperation among the Five Eyes nations helps them address issues like terrorism, cyber threats, and espionage more effectively.