Wordfence

Wordfence is the most popular WordPress security plugin. Wordfence currently protects over 5 million WordPress websites worldwide and has more than 200 million downloads & over 4,200 5-star ratings on WordPress.org

Wordfence includes an endpoint firewall and malware scanner that were built from the ground up to protect WordPress as well as 2 factor authentication for advanced login security

The Wordfence plugin is powered by data from the Wordfence Intelligence platform, the most extensive database of WordPress plugin, theme, and core vulnerabilities - as well as independent security research funded via the Wordfence Bug Bounty Program.

Rounded out by a suite of additional features, Wordfence is the most comprehensive security option available for Wordpress sites.

Find out more at https://www.wordfence.com