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Our Story

Wordfence is incorporated as Defiant, Inc., a Delaware company. We are a small team that is passionate about software engineering and delivering excellent customer service. Wordfence has been downloaded over 90 million times, and is consistently one of the top plugins for WordPress on WordPress.org. The Wordfence WordPress Security plugin protects over 2 million active WordPress websites.

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Notable Research Coverage

WordPress captcha plugin on 300,000 sites had a sneaky backdoor

The Register

Richard Chirgwin

December 20, 2017

Rogue WordPress Plugin Allowed Spam Injection

Threatpost

Tom Spring

September 15, 2017

Recent WordPress vulnerability used to deface 1.5 million pages

Network World

Lucian Constantin

February 10, 2017

Three More WordPress Plugins Found Hiding a Backdoor

Bleeping Computer

Catalin Cimpanu

December 28, 2017

New Tools Make Checking for Leaked Passwords a Lot Easier

Bleeping Computer

Catalin Cimpanu

March 2, 2018

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Check Out The Latest From Our Blog

Vulnerabilities Patched in WP Cost Estimation Plugin

February 13, 2019

Mikey Veenstra

At the end of January, Wordfence security analysts identified attackers exploiting vulnerabilities in outdated versions of the commercial plugin WP Cost Estimation & Payment Forms Builder, or WP Cost Estimation for short. These flaws were found and patched by the developer a few months ago, but no official public disclosure was made at the time. Following …
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Live Event: Wordfence Central Official Launch and Demo

February 06, 2019

Mark Maunder

Today we are very excited to announce the launch of Wordfence Central. Our team has been working hard for almost a year on this ground-breaking project. Wordfence Central gives you the power of a security events and information manager for WordPress. Join me for a live event starting at 8am Pacific time, 11am EST where …
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Introducing Wordfence Central

February 06, 2019

Dan Moen

Over the last several months, we have been focused on making Wordfence a better option for organizations with a large number of WordPress sites to protect. To start, we added the ability to secure your staging and development environments with a single Wordfence premium license, something you should take advantage of if you haven’t already. …
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WordPress Sites Compromised via Zero-Day Vulnerabilities in Total Donations Plugin

January 25, 2019

Mikey Veenstra

The Wordfence Threat Intelligence team recently identified multiple critical vulnerabilities in the commercial Total Donations plugin for WordPress. These vulnerabilities, present in all known versions of the plugin up to and including 2.0.5, are being exploited by malicious actors to gain administrative access to affected WordPress sites. We have reserved CVE-2019-6703 to track and reference these vulnerabilities …
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Analyzing a Week of Blocked Attacks

January 22, 2019

Dan Moen

If you’ve never taken a few minutes to look at the information available in the Wordfence Live Traffic feature, I strongly recommend it. It gives you a detailed look at what attackers are trying to do to break into your site, and how Wordfence is blocking them. For today’s post we analyzed all of the …
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A Tale of Two Vulnerabilities: Using Commercial Plugins Responsibly

January 18, 2019

Mikey Veenstra

As the most popular CMS on the market, one of the major draws of WordPress is a rich ecosystem of plugins made available by the community. The WordPress.org plugin repository makes the process of installing and updating plugins a seamless experience in the dashboard of a site, and a team of volunteers works to maintain …
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