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Unit 42 researchers conducted a detailed examination of how Google Authenticator handles passkeys, focusing on the underlying cryptographic mechanisms. The report outlines the lifecycle of passkey generation, storage, and synchronization across devices. It specifically highlights the secure communication protocols used to facilitate passwordless authentication in the Google ecosystem.
As organizations transition toward passwordless authentication, understanding the technical implementation of major providers is essential for risk assessment. This research helps security teams identify potential attack vectors related to key synchronization and storage. It serves as a foundational reference for auditing identity infrastructure and ensuring compliance with modern authentication standards.
Advisory purposes only · QPulse Security Intelligence Platform · 2026 · Brief #00407
