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Self-Hosted Anti-Spam in 2026: Why Proof-of-Work CAPTCHAs Are Not Enough and What On-Prem Protection Needs
TL;DR. Self-hosted protection is having its moment: Cap has 8,013 GitHub stars after 21 months, ALTCHA’s npm packages are downloaded 1.49 million times a month, Anubis collected 23,427 stars in a year and a half. Every one of these tools runs on your server and keeps your users’ data at home. Every one of them…
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Why do contact form 7 users prefer Anti-spam by CleanTalk against reCAPTCHA?
As a WordPress user let me share my experience of using CAPTCHA less and CAPTCHA style Anti-Spam tools on the example of Contact form 7. Is reCAPTCHA good or bad for Contact form 7? Contact Form 7 users may prefer Anti-Spam plugin by CleanTalk over reCAPTCHA for several reasons, as each solution has its own…
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WordPress CAPTCHA: Should You Use It or Not? Pros and Cons Explained
In today’s digital landscape, protecting your WordPress website from spam and malicious activities is paramount. One of the most common tools used to achieve this is CAPTCHA. However, whether to use CAPTCHA or not can be a topic of debate among website owners. This article will explore the pros and cons of using CAPTCHA on…
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Our Investigation of the Hack of One Website (OR: How We Investigated a Hack of One Website)
We were contacted by one WordPress website owner with the issue of a website hack. Consequences of the hack were that their whole website content was deleted, meaning articles, pictures, plugins and themes were gone and visiting the website displayed a blank page. What was left in the folder «wp-content» was a single folder «uploads»,…
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Security Update: Please Update CleanTalk Anti-Spam to the Latest Version
We’re reaching out to let you know about a security vulnerability that was recently disclosed in the CleanTalk Anti-Spam plugin for WordPress. We’ve already released a fix, and we want to make sure you’re protected. What happened? On February 14, 2026, a vulnerability (CVE-2026-1490) was publicly disclosed affecting CleanTalk Anti-Spam plugin versions 6.71 and earlier.…
