There seems to be a hacking tool available online

http://mrcrackworld.com/this-month/cheat-crack-download-zoho-mail-password-hacker-free-hack.gov

and hackers willing to do it for hire

http://hackersforhire.org/hack-zoho/

Do these tools actually work?

If so, what does the Zoho team do or intend to do to mitigate these security risks?