How to find hole or debug other app or websites

Question

take example as WhatsApp & Facebook

Answer 1

there are various tools one popular one is code resharper during coding. other tool to increase security is debug blocks there is ollydbg which has many tools to guess bugs.

Answer 2

thank you sir

Answer 3

can i use this tools to find bug in WhatsApp and in Facebook?

Answer 4

I am just student friend. well I don't know much about its practical application maybe other too help your question is interesting.

Answer 5

ok thanks 👍👍👍 for help

Answer 6

for websites there are specials tools too
like seriouswebsupport.com

Answer 7

to find bug by codes of Facebook you can freely contribute by visiting code.facebook.com which has some open source codes. you can learn debugging at black hat. you can try owasp testing too

Answer 8

Facebook has too many tools for finding bugs in code it is called infer infer is open source and available in GitHub.

Answer 9

wow....👍 its very informative