Core files should never be a mystery
Hackers love modifying core. Comparing against WordPress.org originals is one of the fastest ways to see if something changed that should not have.
- ✓ Checksum comparison against official files
- ✓ Spot unknown or modified core files
- ✓ View or restore guidance when issues appear
Pair with malware scanning on Pro
Core checks are essential. Pro malware scanning extends detection into plugins, themes, and other site files, plus cleanup tools.
- ✓ Malware signatures and suspicious patterns
- ✓ Plugin integrity checks
- ✓ Scheduled rescans
Customer reviews
4.9 / 5 from 254 reviews
★★★★★
“Great plugin! Allowed me to save a lot of time”
★★★★★
“Hi, I bought Security Ninja and Login Ninja. I must say they’re great and my website is much more secure now. I had quite a lot of security issues on my website, but they’re all fixed now thanks to the plugin.”
★★★★★
“Exceptionally awesome.”
Frequently asked questions
Is the Core Scanner free?+
Yes. It is included in the free Security Ninja plugin.
What if a file does not match?+
Treat mismatches seriously. Review the file, restore from official sources when appropriate, and investigate how it changed.
Verify core free. Clean deeper with Pro.
Use Core Scanner on Free, then add malware scanning and Cloud Firewall with Pro.
See pricing