Recently from few days , i'm facing a problem with wordpress admin login on my site. My wp-admin password is changing automatically after 3-4 hours. when i try to reset my password it dont sent mail to registerd mail . In recent days , i just installed a wordpress plugin this plugin (used for copy paste across websites). And i opened some few msgs , which i recieved through contact form, All were Promotional msgs. I'm unable to find find any solution for this problem .
My website is hosted on aws server and i'm using mysql database. All the plugins i'm using on my wordpress site have big number of installations.
How can i identify , why this is happening and how can i be safe from this problem