iOS 16 features a new auto-verification feature that automatically and privately authenticates a user’s device and Apple ID account via iCloud, bypassing the CAPTCHA prompt. The feature is designed to eliminate the need to click on traffic light images or decipher twisty text to prove you’re a real person and not a robot.
Automatic verification is limited to websites and apps that support private access tokens, but adoption of the feature should get a big boost thanks to Cloudflare, which announced today that it is offering a free service called Turnstile to any website looking to eliminate captchas API – even if the site is not a Cloudflare customer.
Cloudflare explained how the technology works in a blog post:
Private access tokens are built directly into Turnstile. While Turnstile has to look at some session data (like headers, user-agent, and browser characteristics) to authenticate users without challenging them, private access tokens allow us to minimize data collection by asking Apple to authenticate the device for us. Additionally, Turnstile never looks for cookies (like login cookies), or uses cookies to collect or store any kind of information. Cloudflare has a long track record of investing in user privacy, and we will continue to use Turnstile.
Turnstile is available in beta starting today via the Cloudflare dashboard or signup form. The popularity of annoying captchas in websites and apps will decrease over time as websites start to adopt Turnstile.
Automatic verification is enabled by default on iPhones running iOS 16 and can be found in the Settings app under Apple ID → Password & Security → Automatic Verification. The feature is also supported in iPadOS 16.1 and macOS Ventura, both of which are still in beta testing and due for release in October, according to Apple.
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Hazel Yu 
