Which of these is an essential step related to computer security?

Establishing access protocols is fundamental to ensuring computer security. Access protocols define who can access certain data and systems, under what circumstances, and with what authentication procedures. By implementing clear access protocols, organizations can significantly limit unauthorized access to sensitive information, thereby reducing the risk of data breaches, identity theft, and other cyber threats.

Effective access protocols also often include practices such as multifactor authentication, regular updates on user permissions, and specific measures to ensure that only authorized personnel can reach sensitive areas of the network. This structured approach helps maintain the integrity, confidentiality, and availability of information systems.

In contrast, using the same password across multiple platforms weakens security because if one platform is compromised, all linked accounts are at risk. Allowing open access to all personnel is inherently insecure, as it removes necessary barriers that protect sensitive data from unauthorized users. Hence, establishing access protocols stands out as a crucial measure for safeguarding computer security.