![]() We present here a side-channel attack that targets the Google Titan Security Key’s secure element (the NXP A700X chip) by the observation of its local electromagnetic radiations during ECDSA signatures (the core cryptographic operation of the FIDO U2F protocol). You can also use Titan Security Keys for any site where FIDO security keys are supported for 2FA, including your personal or work Google Account, 1Password, Bitbucket, Bitfinex, Coinbase, Dropbox, Facebook, GitHub, Salesforce, Stripe, Twitter, and more.The Google Titan Security Key is a FIDO U2F hardware device proposed by Google (available since July 2018) as a two-factor authentication token to sign in to applications (e.g. Bulk orders are also available for enterprise organizations in select countries. If you’re working in a federal political campaigns team in the US, you can now request free Titan Security Keys via Defending Digital Campaigns and get help enrolling into the APP. We highly recommend users at a higher risk of targeted attacks (e.g., political campaign teams, activists, journalists, IT administrators, executives) to get Titan Security Keys and enroll into the Advanced Protection Program (APP). Unlike other two-factor authentication (2FA) methods that try to verify your sign-in, security keys support FIDO standards that provide the strongest protection against automated bots, bulk phishing attacks, and targeted phishing attacks. Security keys use public-key cryptography to verify your identity and URL of the login page so that an attacker can’t access your account even if they have your username or password.
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