wPadlock adds an additional PIN field to your login page and provides additional security against brute-force attacks

wpadlock

wPadlock adds an additional PIN field to your login page. In order to login, you’ll be using your credentials and PIN generated from your account on https://wpadlock.com
Major features in wPadlock include:
<ul>
<li>PIN field automatically added to your login page</li>
<li>You generate the PIN when you need to login (first create account at https://wpadlock.com)</li>
</ul>
PS: You’ll need an <a href="https://wpadlock.com/" rel="nofollow ugc">wPadlock.com API key</a> to use it. Keys are free, but donations are welcome (free for personal and commercial use).

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