Monday, 27 May, 2019

Google Launches reCAPTCHA v3 That Detects Abusive Traffic Without User Interaction

Google launches reCAPTCHA v3 that detects bad traffic without user interaction Google reCAPTCHA v3 without user interaction launches
Cecil Davis | 01 November, 2018, 17:14

A sign-up page is a prime example for captcha use; websites don't want bots to register accounts automatically and to prevent that from happening, may add captchas to the page to throw bots off while keeping human visitors on the site. Gone are the days of reCAPTCHA v1 when everyone was trying to decipher in garbled text, and gone are the days of v2 when everyone was getting annoyed at clicking on endless image streams of "store fronts", "roads", and "cars" for up to 2-3 minutes.

reCAPTCHA v3 will be generally available later this week, and users can find out more on its official website and Google's official announcement.

It's a vital tool for stopping bots from spamming websites, but reCAPTCHA can also be a pain in the neck for users. Until now, reCAPTCHA v2 would use algorithms to determine the validity of the incoming traffic and if it was deemed suspicious the users would receive a challenge before being allowed to continue to the site. The update essentially makes it easier for users to log into sites without having to prove they are a real human being every time.

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With today's release of reCAPTCHA v3, Google is improving the experience further by having the API return a score between 0.0 and 1.0. Wei Liu, Google Product Manager, explains in the blog post, "The reCAPTCHA adaptive risk analysis engine can identify the pattern of attackers more accurately by looking at the activities across different pages on your website. In the reCAPTCHA admin console, you can get a full overview of reCAPTCHA score distribution and a breakdown for the stats of the top 10 actions on your site, to help you identify which exact pages are being targeted by bots and how suspicious the traffic was on those pages". Armed with state of the art technology, reCAPTCHA is always at the forefront of spam and abuse fighting trends so it can provide you an unparalleled view into abusive traffic on your site. Developers are then left to decide how to treat the "risky" users. Site admins can decide how their website reacts based on the risk score. If a set threshold is passed, a site owner could require the visitor uses two-factor authentication or a phone notification for verification.

Additionally, risk scores can be used in conjunction with a site's internal signals such as user profiles or transaction histories. Lastly, site owners can use reCAPTCHA score as a signal to train machine model to fight abuse.