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📖 What is Availability?

A security principle that ensures information and services are accessible and usable by authorized entities when required.

🥋 Sensei Says:

"A system can be perfectly secure, but if it's not available to users, it provides no value!"

📚 Certification: ITIL 4 Foundation (ITIL4-Foundation)

🔑 What are the Key Concepts of Availability?

▸ Relies on redundancy, backups, disaster recovery, and capacity management.

🎯 How does Availability appear on the ITIL4-Foundation Exam?

Linking system downtime or denial of service attacks to an availability issue.

❓ Frequently Asked Questions

Is availability only about the network being up?

No, it is about the information and service being accessible and usable whenever needed.

Related Terms from ITIL 4 Foundation

Service Value Chain (SVC) Output Human Intervention Service Actions Service Consumer Problem

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