What are security vulnerability

Answer 1

these are loop holes in the code which could be used by hackers the way it is not supposed to be.

Answer 2

thank u

Answer 3

Another thing that was missed in the discussion is simply the misconfiguration of ports. Some sysadmins use out of the box setups which could result to undesired username password combinations like "admin" or a common port like ftp or ssh to be open publicly.

Answer 4

can u give me the list

Answer 5

simplest example could be divide by zero error. imagine you have written a web application named calculator and you forget to catch divide by zero error. although your code is correct and will work but when some one will divide something by zero in your application, it may respond in unusual way or it could just working.
This is vulnerability .
and the vulnerability which affect the security of data are known As security vulnerablity

Answer 6

well the some of popular security vulnerabilities are cross site scripting, SQL injection, session hijacking, directory transversal. the list is long

Answer 7

right