HOW TO SET HACKERS ARE NOT WORKING IN MY APPLICATION

Question

Hi all,
My application is to be getting code thru Hackers tool. Not get code use the hacker tool.
If Encrypt & decrypt also get the code from hackers. I want to  be never getting code from hackers tool.
How is it Possible?
If anybody know the answer Please reply me.
Thanx & Regards,
MsHema