Question

how is personal information misused by cybercriminal

Answer 1

if our personal information will be leaked so,
the cyber criminals make a fake id and will do the missuse of it.

Answer 2

cyber criminal  

they use our mob. no. to get our email address

if they will got it .they can see all thing or sites that we have login  or linked by our email address.

tough they can also look into our accounts atm pins password .

if we change paasword of our accounts of any operator .

the bamk sends otp  or the password in our g mail .

understand .

i hope it will help you