Research and insights on stopping modern bots and fraud
Today, May 15, 2025, Castle extends its proven behavioral detection to the network edge through a no-code, fully managed Cloudflare
If you’ve ever visited a site like amiunique.org, browserleaks.com, or pixelscan.net, you’ve probably seen a
Headless Chrome bots controlled by Selenium remain a staple in the bot developer’s toolkit in 2025. While newer frameworks
We learned our hiring philosophy the hard way: by getting it completely wrong. After Y Combinator in 2016, we did
Most disposable email services are easy to detect. They use obvious domains like tempmail.xyz or tmxttvmail.com, which are
When it comes to bot and fraud detection, identifying the exact browser being used can be important, especially for privacy-focused
Time zone is a valuable signal in both bot and fraud detection. It's commonly used in browser fingerprinting
The other day, I bought sneaker proxies by mistake. I know, I know, how do you accidentally buy sneaker proxies?
CAPTCHAs are the most recognizable anti-bot mechanism on the web. Whether you're logging into a game, signing up
Fake account creation is one of the most persistent forms of online abuse. What used to be a fringe tactic
Credential stuffing remains one of the most scalable and persistent threats on the internet. While defenders have improved at catching
This is the third edition of our monthly tracker highlighting email domains linked to fraudulent activity. Just like in Mays’
Every time there's a Hacker News thread about bots, bot detection, or CAPTCHAs, a familiar complaint shows up:
