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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

Hackers Exploit Recent WordPress Plugin Bugs for Malvertising

Bleeping Computer

Sergiu Gatlan

July 22, 2019

Critical Bug in WordPress Plugin Lets Hackers Execute Code

Bleeping Computer

Sergiu Gatlan

July 15, 2019

WordPress Users Urged to Delete Zero-Day-Ridden Plugin

Threatpost

Lindsey O'Donnell

January 28, 2019

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Check Out The Latest From Our Blog

Podcast Episode 45: Securing and Scaling eCommerce with Zach Stepek

September 20, 2019

Kathy Zant

This week, our lead customer service engineer Tim Cantrell interviews Zach Stepek, CEO of MindSize, a digital agency focused on helping customers scale and succeed with eCommerce. Zach talks about how he got started with WordPress and WooCommerce, new features in JetPack that add functionality to WooCommerce, and how critical security is to site owners …
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Podcast Episode 44: Unpacking the WordPress 5.2.3 Security Release

September 10, 2019

Kathy Zant

WordPress core version 5.2.3 was released on September 4. This was a security release patching eight key vulnerabilities in WordPress core, most of which were cross site scripting vulnerabilities. In this episode of Think Like a Hacker, we walk through each of the patched elements of WordPress core and how these vulnerabilities could have been …
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Episode 43: Wordfence Research on Malvertising Campaign Makes the News

September 05, 2019

Kathy Zant

This week, we chat about the plan for WordPress 5.3 and some of the new features we will see added to WordPress in November, including many improvements to the editor. We will also see a switch from robots.txt files to meta tags for better control over search engine indexing. We also cover the latest developments …
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The WordPress 5.2.3 Security Release Unpacked

September 05, 2019

Mark Maunder

WordPress core version 5.2.3 has just been released.┬áThis is a security release which contains several fixes. I’m going to detail each of them below and unpack what each fix means and add any additional info that may be relevant. Seven of the eight vulnerabilities fixed in this release are cross site scripting (XSS) vulnerabilities. Wordfence …
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Ongoing Malvertising Campaign Evolves, Adds Backdoors and Targets New Plugins

August 30, 2019

Mikey Veenstra

In July, we reported on a malvertising campaign which was distributing redirect and popup code through a number of public vulnerabilities affecting the WordPress ecosystem. As mentioned in the article, we’ve continued tracking this threat for new or changing activity. Much of the campaign remains identical. Known vulnerabilities in WordPress plugins are exploited to inject …
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Podcast Episode 42: Building WordPress Websites that Convert with Bill Rice

August 29, 2019

Kathy Zant

´╗┐ Bill Rice is the CEO of Kaleidico, a digital agency in Michigan. We chatted at WordCamp Minneapolis about WordPress and the community, and his work creating websites that convert. Bill spoke at WordCamp Minneapolis about trends in WordPress website design that allow businesses to deeply engage with site visitors. Mobile browsing has changed the …
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