safeguard; safeguard measure
Formal term used in legal, diplomatic, and policy contexts for measures that protect or guarantee something.
Safeguards were taken to prevent the proliferation of nuclear weapons.
The treaty includes safeguards to protect the environment.
安全策 is a more general term for safety measures, while 保障措置 specifically implies formal, often international, safeguards or guarantees.
Compound of 保障 (guarantee, security) and 措置 (measure, step).