WP Admin Bruteforce Protection and Notification (by SiteGuarding.com)

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Admin Bruteforce Protection was designed to manage the access to WordPress administrator login page. Plugin creates the wall between your login page and the hackers and adds a higher level of security to your website. This is simple, but very effective tool to limit access for brute-force scanners and bots. Main features: Easy to install, easy to use * One click verification (easy for human, complicated for robots) * Perfects against different type of the bots and hacking tools * No need to use database (no MySQL usage) * Works perfect on very slow/busy shared servers * Very low server CPU usage * Absolutely free * For any questions and support please visit https://www.siteguarding.com/en/contacts