I feel secure knowing that my house has a security system.

The bank secured the city from a flood.

Make sure to securely lock the door before leaving the house.

There is no one but longs for peace and security.

I am interested in learning about securities.

Collective security is an important concept in international relations.

Having a home security system gives me a sense of security.

We need to tighten security measures to protect our sensitive data.

The child clung to his security blanket for comfort.

The Security Council is responsible for maintaining international peace and security.