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Topic · 4 articles
Authentication: articles and guides
4 PlayCISO articles on authentication, newest first. The most recent is “What Is a Hardware Token? YubiKey, Duo, RSA Compared”.
What Is a Hardware Token? YubiKey, Duo, RSA Compared
A hardware token is a physical login factor. How OTP fobs, RSA SecurID, Duo D-100 and YubiKey keys differ, which resist phishing, and how to choose.
October 23, 2026
Advantages of FIDO2 and Passkeys for the Workforce
FIDO2 and passkeys give the workforce phishing-resistant sign-in that is also faster and easier than passwords. The security, productivity and cost benefits, and how to realise them.
September 26, 2026
Passkeys vs FIDO2 Security Keys: What's the Difference?
Passkeys and FIDO2 hardware security keys are both WebAuthn credentials, but they differ in portability, assurance and where they belong. A clear comparison and when to use each.
September 26, 2026
Authenticator App Security Hygiene
How to use TOTP and push-based authenticator apps safely: backups and recovery, resisting MFA fatigue and phishing, and what to do when a device is lost or replaced.
August 19, 2026