Data security and computer security
NSTISSC National Security Telecommunications and Information Systems Security Committee
water security and city water security
Web services security WS-security
flat field two-mirror two-mirror system
mirror blank， mirror substrate
5 t X-Y high security hoist
a put option on a debt security
a virtuous circle of social security
ability of forecasting individual security
absolute security point
accounting security system
Acegi Security Framework
active enhanced security architecture