Research
Security Strategy
Attack Prevention
Announcements
Recently, our friends at Cloudflare introduced a bot defense product called Turnstile. How does it compare to hCaptcha? Read this post to find out.
December 8, 2022
Why Organizations are Choosing hCaptcha over reCAPTCHA v2 and reCAPTCHA v3.
September 15, 2022
Making challenges fun means understanding what people like.
August 17, 2022
Have you ever wanted to offer a lower friction experience to your users while maintaining good defenses against automation?
July 26, 2022
Invalid traffic (IVT) is artificially inflated traffic and activity on a website that doesn’t come from users with a genuine interest in the site’s content, products, or services.
July 14, 2022
Privacy
Online services face increasing public pressure to protect their visitors' private data. This is reflected in many new data privacy laws around the world.
June 30, 2022
Curious about Private Access Tokens, aka PATs? hCaptcha has been working on standardizing the protocol behind them for years, and today Apple announced support in iOS 16.
June 8, 2022
Developing an effective bot mitigation strategy requires understanding the tools and methodologies bad actors use to compromise data - and the privacy of your end-users.
June 1, 2022
As bot mitigation and fraud detection solutions have grown more sophisticated over the years, threat actors have been forced to evolve as they attempt to circumvent the latest technologies.
May 18, 2022
eCommerce grew significantly in the aftermath of 2020 and the global pandemic. Unfortunately, so did financial fraud and payment-card-testing attacks.
May 13, 2022
Fastmail initially used Google reCAPTCHA, but their customers were unhappy because it collected, stored, and transmitted PII. Switching to hCaptcha solved the problem and delighted Fastmail customers
May 5, 2022
Shopify uses hCaptcha for many different applications, from protecting logins to stopping bots from hoarding limited-release goods.
April 29, 2022
hCaptcha has been under the SOC 2 Type II audit regime for some time. Here are some lessons we learned along the way.
April 21, 2022
For thousands of years, people have dreamed about AI and the challenges it might bring in distinguishing humans from machines.
April 18, 2022
Enterprises large and small require detailed analytics to make informed decisions relating to your security processes, response configurations, and more.
We are delighted to announce that hCaptcha surpassed one million publishers this year.
April 14, 2022
hCaptcha's review of the January 2022 Okta compromise. There was no impact to hCaptcha services.
March 23, 2022
Credential stuffing attacks are on the rise, with billions of stolen credentials now available to attackers. hCaptcha helps stop bots from breaking into user accounts.
February 22, 2022
The log4j2 remote code execution bug recently swept the internet, affecting a large percentage of online services. hCaptcha was not affected. Here is how we verified that fact.
January 13, 2022
You can beat Google by putting privacy first
January 8, 2022
A look at hCaptcha solve rates across the globe
January 4, 2022
The first known spam email was sent in 1978. Almost five decades later, email spam continues to plague us. There are industries creating spam and those who defend against it. Why is that?
May 13, 2021
Big Brother Brasil has broken all records for engagement, setting a new popularity benchmark and peaking at 2.988 million votes in a single minute and hundreds of millions of votes per day.
March 24, 2021
This post discusses our ongoing work to improve the accessibility experience at hCaptcha via two major initiatives: Privacy Pass for accessibility, and text-based challenges.
March 23, 2021
If you are looking to easily add forms to your WordPress site while getting all the benefits of hCaptcha protection, give them a try!
December 17, 2020
This post details our thoughts on this topic in the context of AI Ethics, and the processes we follow to ensure use of our services is in line with the policies we have adopted as a company.
July 18, 2020
You can get up and running in just a few minutes with Flutter and hCaptcha.
June 13, 2020
Below is the process to get hCaptcha invisible mode working in an Outsystems 11 Reactive web application.
May 21, 2020
hCaptcha has several difficulty modes available for publishers to choose. Today we’ll look at what they do, and the tradeoffs of picking each one.
April 3, 2020
Telegram has become an increasingly popular chat option, boasting hundreds of millions of monthly users. However, popular Telegram groups are bombarded by spam due to a lack of built-in protections.
December 5, 2019
hCaptcha.com served many billions of requests in 2019, and some interesting trends emerged from all that data.
December 3, 2019
Online privacy is important to us at hCaptcha, and we are always looking for ways to strengthen this fundamental human right.
November 4, 2019
Two of the most-requested publisher features for hCaptcha have been more accurate real-time estimates and more rapid final reconciliations. Learn about the changes being made to enable these features.
October 25, 2019
Good news! It is quite simple to integrate hCaptcha with your native Android app today.
June 21, 2019
Want to integrate hCaptcha on a site with PHP? It only takes a few seconds.
June 2, 2019
It takes only seconds to start using hCaptcha for WordPress!
May 2, 2019
hCaptcha uses sophisticated machine learning models to determine whether your visitors are human, and whether the answers they supply are correct.
February 5, 2019
We maintained better than 99.99% uptime in 2018 despite heavy growth in popularity of the hCaptcha service. This was due to engineering our operations for high reliability from day one.
January 28, 2019
At hCaptcha we see failures often: load balancers go offline, cluster hardware degrades, developers commit incorrect code, network links overload, and so on.
January 24, 2019
This is a multi-part series that details the business and technical architecture of HUMAN Protocol, an approach to human-level machine intelligence allowing machines to ask us for the data they need.
November 8, 2018
This is a multi-part series that details the business and technical architecture of hCaptcha, the drop-in replacement for reCAPTCHA that pays website owners.
August 27, 2018
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