Solutions for:

  • Home Products
  • Small Business 1-25 employees
  • Medium Business 26-999 employees
  • Enterprise 1000+ employees
Kaspersky official blog
  • My Kaspersky
    • My Devices
    • My Products / Subscriptions
    • My Orders
  • Security Solutions
      • PREMIUM PROTECTION
        Kaspersky Premium

        Complete protection for your devices, online privacy & identity

      • ADVANCED PROTECTION
        Kaspersky Plus

        Combines security, performance & privacy features in one app

      • STANDARD PROTECTION
        Kaspersky Standard

        Enhanced protection with device performance booster

      • Privacy & Kids
      • Kaspersky Safe Kids
      • Kaspersky Password Manager
      • View More
  • Renew
  • Downloads
  • Support
  • Resource Center
  • Blog
    • Business
    • News
    • Privacy
    • Products
    • Special Projects
    • Technology
    • Threats
    • Tips
    • RSS
    • Newsletter subscription
  • Secure Futures
  • Solutions for:
  • Home Users
    • Security Solutions
      • Kaspersky Premium
      • Kaspersky Plus
      • Kaspersky Standard
      • View All Solutions
      • Privacy & Kids
      • Kaspersky Safe Kids
      • Kaspersky Password Manager
    • Renew Licence
    • Support
    • Trials & Downloads
  • Business
    • Small Business (1-25 employees)
    • Medium Business (26-999 employees)
    • Enterprise (1000+ employees)
  • Search blog posts
  • Blog
    • Business
    • News
    • Privacy
    • Products
    • Special Projects
    • Technology
    • Threats
    • Tips
  • Partners
    • Partners
    • Find a Partner
    • Affiliate
    • Technology
    • Whitelist Program
  • My Account
    • Personal
      • My Kaspersky
    • Business
      • CompanyAccount
  • About Us
    • About Us
    • Company
    • Team
    • How We Work
    • Press Releases
    • Press Center
    • Careers
    • Motorsport
  • Support
  • Contact Us
  • Search

Captcha

5 articles

Why CAPTCHAs are about to vanish: how AI rewrote the "prove you're human" test
  • Captcha

AI beat CAPTCHA. What’s next?

For over a decade, internet users have had to squint at blurry fire hydrants, bridges, and bicycles — until AI came along. What’s next for the CAPTCHA?

  • Alexey Sadylko

  • July 6, 2026

What a browser-in-the-browser attack is, and how to spot a fake login window
  • phishing

Browser-in-the-browser attacks: from theory to reality

A browser-in-the-browser attack, theoretically described in 2022, has been adopted in real-world phishing. We break down how it works, and how to spot a fake authentication window.

  • Alanna Titterington

  • March 4, 2026

Ransomware group uses ClickFix to attack businesses.
  • ransomware

How Interlock attacks IT specialists with fake CAPTCHAs and ClickFix

We explore how cybercriminals are targeting IT specialists searching for a popular network scanner, using the Interlock ransomware attack as an example.

  • Alanna Titterington

  • May 16, 2025

  • RSAC

RIP, CAPTCHA

At the online RSA Conference 2021, researchers talked about CAPTCHA farms.

  • Nikolay Pankov

  • May 25, 2021

  • Captcha

Google’s reCAPTCHA defeated by security researchers

Let’s start with where the word ‘captcha’ came from. It turns out that captcha is an acronym for Completely Automated Public Turing test to tell Computers and Humans Apart. The

  • Jake Kenny

  • April 19, 2016

Home Solutions

  • Kaspersky Standard
  • Kaspersky Plus
  • Kaspersky Premium
  • All Solutions

Small Business Products

1-25 EMPLOYEES
  • Kaspersky Small Office Security
  • Kaspersky Endpoint Security Cloud
  • All Products

Medium Business Products

26-999 EMPLOYEES
  • Kaspersky Endpoint Security Cloud
  • Kaspersky Endpoint Security for Business Select
  • Kaspersky Endpoint Security for Business Advanced
  • All Products

Enterprise Solutions

1000 EMPLOYEES
  • Cybersecurity Services
  • Threat Management and Defense
  • Endpoint Security
  • Hybrid Cloud Security
  • All Solutions

© 2026 AO Kaspersky Lab. All Rights Reserved.

  • Privacy Policy
  • Online Tracking Opt-Out Guide
  • Anti-Corruption Policy
  • License Agreement B2C
  • License Agreement B2B
  • Contact Us
  • About Us
  • Partners
  • Blog
  • Resource Center
  • Press Releases
  • Securelist

  • Eugene Personal Blog

  • Encyclopedia

India

  • Americas
  • Brasil
  • México
  • Africa
  • South Africa
  • Middle East
  • Middle East
  • الشرق الأوسط
  • Western Europe
  • Deutschland & Schweiz
  • España
  • France & Suisse
  • Italia & Svizzera
  • Nederland & België
  • United Kingdom
  • Eastern Europe
  • Polska
  • Türkiye
  • Россия (Russia)
  • Kazakhstan
  • Asia & Pacific
  • Australia
  • India
  • 中国 (China)
  • 日本 (Japan)
  • For all other countries
  • Global