Ransomware threat actors tracked as Velvet Tempest are using the ClickFix technique and legitimate Windows utilities to deploy the DonutLoader malware and the CastleRAT backdoor.

A new social engineering campaign is abusing fake CAPTCHA verification pages to trick Windows users into launching StealC information-stealing malware. The attack relies on compromised websites that ...

This project is a tool to process mathematical captcha images and calculate the answer using deep learning models and image processing using Python language. An example of captchas used in this ...

It's been a quarter of a century since the invention of the CAPTCHA. The great gatekeeper of the internet was originally created by students at Carnegie Mellon University to prevent bots from rigging ...

Russian state-backed hackers have stepped up their game with new malware families that hide behind fake CAPTCHA tests. The group, known as Star Blizzard or ColdRiver, now uses ClickFix attacks to ...

Are you human? A new game wants you to prove it. I’m Not a Robot is a fun spin on the popular CAPTCHA game synonymous with using the internet. Except it’s not just one game, but 48 increasingly absurd ...

When you log on to a site or go to buy something online, you may be asked to prove you're not a robot. Those tests are called CAPTCHA programs. A CAPTCHA program may present you with a collage of ...

Windows Only - Requires Admin privileges (modifies hosts file when it needs to replicate the captcha environment and spoof the original website domain).

CAPTCHA solvers like Anti-Captcha can efficiently solve and bypass CAPTCHAs, enabling users to explore the web without restrictions. Although CAPTCHAs can help prevent unauthorized access and spam on ...

Abstract: In this study, a CNN-based model capable of solving multiple CAPTCHA types was developed. The model was trained using both real and synthetic CAPTCHA datasets to enhance generalization.

ClickFix, a social engineering tactic that has been targeting both Windows and Mac users since early 2024, continues to evolve. Just last month, I reported on how attackers were using fake CAPTCHA ...

Emily Long is a freelance writer based in Salt Lake City. After graduating from Duke University, she spent several years reporting on the federal workforce for Government Executive, a publication of ...