Hack the Hackers 2025 – Master the Certified Ethical Hacker Challenge!

The term "availability" in cybersecurity pertains specifically to the accessibility of data and systems when required by legitimate users. This principle is one of the core components of the CIA triad, which stands for Confidentiality, Integrity, and Availability.

When discussing availability, it is essential to ensure that systems are up and running efficiently, allowing authorized users to access the information they need without undue delay or obstacles. This involves implementing measures such as redundancy, failover systems, and regular maintenance to protect against downtime or system failures. The focus on legitimate users highlights the importance of ensuring that authorized personnel can access the data they need without being hindered by outages or restrictions.

The other options, while relevant to various aspects of cybersecurity, do not accurately capture the essence of availability. The protection of communications from hackers relates more closely to confidentiality, while resistance to unauthorized changes pertains to integrity. Lastly, the speed of data processing concerns performance rather than the availability of access to data.