(cryptography) Not decodable with all available computer power.

Of a device: such that, if it fails, it does so in a way that will cause little or no harm to other devices and personnel.

Alternative form of selfsecure

(software engineering, of software) designed from the ground up to be secure

(military) To guard the firearms from becoming wet.

(finance, business) A loan in which the borrower pledges some asset as collateral for the loan, which then becomes a secured debt owed to the creditor who issues the loan.

plural of secured loan

The UN Security Council.

A blanket that one uses to have a secure feeling or reduced anxiety, usually in the early years of life. / Any object one uses to have a sense of security or reduced anxiety.

(US, informal) A mother for whom issues of safety and national security are of great importance.