Answer:
A series of procedures that ensures a computer and its user are safe is Computer Security protocol.
Step-by-step explanation:
In order to ensure whether the computer or its users are safe, each and every operating system has different kind of built in security procedures and protocols to protect from threats and vulnerabilities.
In windows this procedure is managed by Windows Defender, a built-in firewall which protects computer from Viruses, Malwares and Spywares.