Yubico is a cybersecurity company that manufactures hardware authentication security keys, most notably the YubiKey. Founded in 2007 and dual-headquartered in Stockholm, Sweden and Santa Clara, California, the company is publicly traded on Nasdaq Stockholm. Yubico develops physical security keys that provide phishing-resistant, hardware-backed authentication for user accounts and digital identities. The company played a significant role in developing global authentication standards, co-creating FIDO2, WebAuthn, and FIDO U2F protocols, and introduced the original passkey technology. YubiKeys work with hundreds of applications and services to provide multi-factor authentication without requiring additional software installation. The devices integrate with existing infrastructure including VPNs, Active Directory, and various enterprise systems. Yubico serves organizations across multiple sectors including enterprises, governments, critical infrastructure operators, and institutions in over 160 countries. Their products are used to secure both IT and operational technology (OT) environments, protecting against account takeovers, phishing attacks, and advanced persistent threats. The company offers YubiEnterprise Subscription for enterprise customers requiring predictable pricing and additional services. Through their Secure it Forward initiative, Yubico donates YubiKeys to nonprofits supporting at-risk communities. The company has been recognized by TIME as one of the 100 Most Influential Companies and by Fast Company as one of the Most Innovative Companies.