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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 57: SEO Content Strategy and Lock Picking with Maddy Osman at WordCamp US

November 22, 2019

Kathy Zant

Maddy Osman is a SEO content strategist that has worked with a number of familiar brands in both the WordPress and SaaS spaces. She spoke at WordCamp US and took some time to chat with us at the Wordfence sponsor booth. Maddy talks about how she got started in SEO content strategy after doing web …
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Episode 56: WordCamp US, WordPress 5.3 and Chrome Blocking Mixed Content

November 20, 2019

Kathy Zant

In Episode 56, we review the premiere of Open, The Community Code, a film about the WordPress community that world premiered at Matt Mullenweg’s State of the Word Keynote at WordCamp US. Mark and Kathy talk about what it was like watching friends in the community see the film for the first time. We also …
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High Severity Vulnerability Patched in WP Maintenance Plugin

November 19, 2019

Chloe Chamberland

Description: Cross-Site Request Forgery to Stored Cross-Site Scripting CVSS v3.0 Score: 8.8 (High) CVSS Vector String: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:H Affected Plugin: WP Maintenance Plugin Slug: wp-maintenance Affected Versions: <= 5.0.5 Patched Version: 5.0.6 On November 15th, 2019, our Threat Intelligence team identified a vulnerability present in WP Maintenance, a WordPress plugin with approximately 30,000+ active installs. This flaw allowed …
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Podcast Episode 55: Yoast’s Marieke van de Rakt & Michiel Heijmans at WordCamp US

November 14, 2019

Kathy Zant

At WordCamp US in Saint Louis, Mark sat down with Yoast CEO Marieke van de Rakt and COO Michiel Heijmans in the Wordfence booth to talk about not only how Yoast began, but also how they’ve grown to over 9 million active installations and the challenges of managing such a large user base. Marieke and …
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Multiple Vulnerabilities Patched in Email Subscribers & Newsletters Plugin

November 13, 2019

Chloe Chamberland

A few weeks ago, our Threat Intelligence team identified several vulnerabilities present in Email Subscribers & Newsletters, a WordPress plugin with approximately 100,000+ active installs. We disclosed this issue privately to the plugin’s development team who responded quickly, releasing interim patches just a few days after our initial disclosure. The plugin team also worked with …
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Podcast Episode 54: The Hacker Mindset at WordCamp US

November 08, 2019

Kathy Zant

Kathy Zant gave a presentation about The Hacker Mindset at WordCamp US 2019 in St. Louis. Learning to think like a hacker in the security realm is a big part of keeping your assets safe, and there are additional benefits. Kathy illustrates how the hacker mindset is much more than protecting your site. Thinking like …
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