Defender vs Wordfence
Defender and Wordfence are both WordPress security plugins built around a firewall and malware scanning, but they scale very differently: Wordfence holds an estimated 5.45 million active installs against Defender's 86,400 - a gap of roughly sixty times. Wordfence's rating (4.7) edges out Defender's (4.8) only barely, on a review count nearly fifteen times larger.
Support resolution actually favors the smaller plugin: Defender resolves 100% of its threads against Wordfence's 68% - though Wordfence is handling a far larger volume of support requests overall.
Quick verdict: Choose Wordfence for a firewall backed by threat intelligence from millions of sites. Choose Defender if you're already invested in WPMU DEV's broader toolkit and want security bundled into that membership.
Defender vs Wordfence at a glance
Numbers above are StatWP's own estimates, derived from WordPress.org's bucketed reporting rather than an exact figure the directory publishes, and update automatically rather than reflecting a fixed snapshot.
Feature and starting price at a glance
| Feature | Defender | Wordfence |
|---|---|---|
| Core method | Malware scanning, firewall, IP blocking, 2FA | Firewall backed by network-scale threat intelligence |
| Install base feeding threat data | ~86K sites | ~5.45M sites |
| Support resolution | 100% of threads resolved | 68% of threads resolved |
| Free version | Yes | Yes |
| Starting premium price | Bundled into WPMU DEV membership rather than sold standalone | Premium tier available - check wordfence.com for current pricing |
Wordfence's own pricing page wasn't reachable at the time of writing - confirm current figures directly. Defender's real cost is the WPMU DEV membership it comes bundled with, not a standalone line item.
What does Defender actually do?
Malware scanning and antivirus checks.
IP blocking and audit logs.
A firewall plus brute-force login protection.
Two-factor authentication.
Defender is developed by WPMU DEV, the company behind Smush and other bundled tools, and its premium capability comes as part of that broader membership rather than a standalone purchase.
What does Wordfence actually do?
A web application firewall inspecting traffic and blocking known attack patterns.
Malware scanning against a signature database maintained by Wordfence's own threat research team.
Live traffic monitoring and repeated-attacker IP blocking.
Two-factor authentication as a supporting feature.
Wordfence's scale is part of the product itself - attack data from millions of installs feeds back into faster detection of new threats across the whole network, something a much smaller install base structurally can't replicate.
What features does each one have that the other doesn't?
Wordfence's advantage is exactly that network effect - threat intelligence sourced from a install base roughly sixty times larger than Defender's.
Defender's advantage is being one line item inside a membership you might already be paying for, rather than a separate security vendor relationship to manage on top of everything else.
Which should you actually use?
If active-attack detection at scale is the priority, Wordfence's larger install base and dedicated threat-research team make it the stronger primary firewall. If you're already inside WPMU DEV's ecosystem for other tools, Defender's bundled security is a reasonable way to cover the basics without adding a separate vendor.
Frequently asked questions
What is the difference between Defender and Wordfence?
Defender is a WPMU DEV security plugin bundled into that company's broader membership. Wordfence is a standalone firewall and scanner backed by threat intelligence from a much larger install base.
Is Wordfence better than Defender?
For firewall strength driven by network-scale threat data, yes - Wordfence's install base is far larger. Defender resolves support threads at a higher rate and makes sense if you're already paying for WPMU DEV's other tools.
Is Defender free to use?
A free version exists, with more advanced features tied to a WPMU DEV membership rather than sold as a standalone upgrade.
Does Wordfence slow down a website?
It adds some overhead from continuous scanning and firewall inspection, which is a common trade-off across most active security plugins, not unique to Wordfence.
See the live, current numbers for either plugin any time on StatWP's Defender page or StatWP's Wordfence page, or run this comparison yourself with StatWP's compare tool.