What does the acronym "CISO" stand for?

The acronym "CISO" stands for Chief Information Security Officer. This title refers to a high-level executive responsible for an organization’s information and data security. The CISO typically oversees developing, implementing, and maintaining security strategies to protect the organization from cyber threats and financial losses resulting from data breaches. This role is crucial as data security is a top priority for businesses today due to the increasing number of cyber-attacks and the need to comply with various regulatory frameworks.

The other options do not reflect widely recognized roles within information security. For instance, "Cybersecurity Incident Security Officer" is not a standard title, and while incident response is a critical responsibility of the CISO, it does not capture the full scope of the role. Similarly, "Chief Internet Security Operator" and "Chief Information Systems Operator" do not align with established security leadership positions recognized in the industry.