Computer and system security study

hello

i just need small advice please
i want to be computer and system security expert
and i found good university to study this
but i have multi choices for computer security study

1-Information system security

2-Network and Communications Management and then i become Network Security Specialist

3-Database Management and then i become database security expert

4-Computer Forensics

i don’t know what is the best
or what i suppose to chose
so some one who expert can give me small hint about the advantage of every section of the 4 sections
and want to know which is more powerful
really thx and i hope u can help me :wink:

Each are specialties in the Computer Security world.
Google each, research them (use Wikipedia if it will help) and then decide what you wish to pursue.
Good luck with your studies.