While these MFA options do improve security, they are still vulnerable to phishing attacks. For example, a user might have an application running on their device which generates random numbers, or they might enroll their phone number to receive a code via text message.

Users needed to input their username, password, and some additional value. In response, teams began deploying multifactor authentication (MFA) tools to add an additional layer of security.

Users traditionally proved their identity with a username and password but phishing attacks can deceive users to steal both of those pieces of information. Organizations need to ensure that only the right users are connecting to their sensitive resources - whether those destinations are self-hosted web applications, SaaS tools, or services that rely on arbitrary TCP connections and UDP streams. Those keys were YubiKeys and this new collaboration with Yubico, the maker of YubiKeys, removes barriers for organizations of any size in deploying hardware keys. In July 2022, Cloudflare prevented a breach by an SMS phishing attack that targeted more than 130 companies, due to the company’s use of Cloudflare Zero Trust paired with hardware security keys. Any Cloudflare customer can sign in to the Cloudflare dashboard today and order hardware security keys for as low as $10 per key. That service is open to organizations of any size from a family protecting a home network to the largest employers on the planet. Yubico Security Keys are available today for any Cloudflare customer, and they easily integrate with Cloudflare’s Zero Trust service. This program is made possible through a new collaboration with Yubico, the industry’s leading hardware security key vendor and provides Cloudflare customers with exclusive “Good for the Internet” pricing. Today we’re introducing an exclusive program for Cloudflare customers that makes hardware keys more accessible and economical than ever.

But customers ask us how to implement them and which security keys they should buy. Hardware keys provide the best authentication security and are phish-proof. UPDATE: This offer expired on January 3rd, 2023 at 8am PST. This post is also available in 简体中文, 日本語, Deutsch, Français and Español.

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