Wordfence

Wordfence is the global leader in WordPress security, protecting over 4 million websites and defending against 1 billion attacks each month. We regularly release high-quality software, firewall rules, and threat intelligence to millions of customers around the world, helping to keep the online community safe. Wordfence also publishes ground-breaking security research weekly, and we now provide command line tools for network administrators to conduct high-performance PHP malware scans.