Multi-factor authentication (MFA) is a login method that requires two or more independent proofs of identity. A typical pairing is a password plus an authenticator app, passkey or hardware key.
Cybersecurity is the practice of protecting systems, networks, applications and data from unauthorised access, attack and damage. It combines technology, processes and people to prevent incidents, detect them early and recover when they happen.
Identity and access management (IAM) is the set of policies and systems that control who or what can access which resources. It spans login, roles, permission reviews and offboarding.
Single sign-on (SSO) lets users sign in once with a central identity provider and then reach many applications. Each app trusts the provider instead of keeping its own password.
Zero trust is a security model that never grants trust based on network location. Every user, device and request is verified before receiving the least access it needs.
OAuth 2.0 is an authorisation framework that lets an application act on a user's behalf without their password. It issues limited, revocable tokens tied to specific scopes.
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