In-depth guides, tips, and tutorials on two-factor authentication and online security.
Locked out with no phone and no backup codes? Recovery is still possible on most platforms. Here are the exact paths for Google, Facebook, and Instagram, and how to make them work.
Read more →Your authenticator shows a code, the website rejects it. This diagnostic guide works through every cause in order of likelihood, for any service and any authenticator app.
Read more →Nine times out of ten, rejected authenticator codes come down to one thing: your phone's clock. Here is the complete fix list, from time sync to the rarer causes nobody mentions.
Read more →Whoever controls your hosting controls every site, email, and database on it. Here is how to enable 2FA on cPanel and your hosting provider login, the layer above everything else.
Read more →WordPress powers nearly half the web, which makes wp-admin the most attacked login page on earth. Here is how to add 2FA with a plugin and harden the login properly.
Read more →A hijacked Shopify store means stolen payouts, customer data exposure, and a poisoned brand. Here is how to enable 2FA for you and your staff, and the settings that protect payouts.
Read more →Kraken offers some of the strongest account security in crypto, including separate 2FA for login, trading, and funding. Here is how to configure all of it properly.
Read more →Coinbase defaults new users to SMS codes, the weakest 2FA there is. Here is how to upgrade to an authenticator app or security key and lock down withdrawals.
Read more →Binance holds real money and transactions are irreversible. Here is the full Binance 2FA setup: authenticator app, passkeys, anti-phishing code, and withdrawal whitelist.
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