Security is the important part of our website. By default, WordPress enabled unlimited logins. If a user enters the wrong password, the user can try to login as many times. Hackers may take this facility to hack your website. To protect your website from brute force attacks, you need to limit the login attempts.
You can easily set up this security. Just download and active Login LockDown plugin. After activating, go to Settings » Login LockDown and setup.
When anyone failed to enter the correct login information, by default the user will lock for 1 hour. You can change the lockout length from the settings.
I hope this trick will increase the security of your WordPress website.Read all security tips and tricks about WordPress: The Powerful WordPress Security Guideline – Simple Tricks
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