A lot of site owners may not care much about the security of their websites especially if they use wordpress. All they do is let wordpress run on auto-update then, they go to bed and snore.
ALAS! You're living in a hut built on sinking sand. You may not meet your wordpress site the way you left it 5 minutes ago any more. Perhaps, some hackers have played with your files, tried logging in with all kinds of dictionary usernames and passwords; or they just bombard your site with stupid comments!
Now, your nightmare is over! I am a InfoSec expert (MSc.) Let me analyse your site and tweek it up to the optimum sec level. I will install all necessary malware-free plugins on your site.
And most interesting part is that this gig is almost FREE!