https://www.yubico.com/authentication-standards/root-of-trust/
What is a root of trust? | Yubico
Nov 6, 2024 - A root of trust in an external hardware authenticator that can be used with any computer or mobile device to identify that the person accessing an account is...
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https://thehackernews.com/expert-insights/2025/08/how-to-defend-against-root-of-trust.html
How to Defend Against Root-of-Trust Attacks: Lessons from Secret Blizzard
Russian group Secret Blizzard bypassed MFA in 2025 embassy attacks via TLS root compromise, exposing MFA limits.
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