Qualifications improve your chances; they do not gate the job. Level 2 is the most recognised.
Level 2 most recognisedOpen entry
Your route in
You can start without qualifications - direct entry/volunteering; a qualification improves your chances
1
Qualifications employers recognise (Level 2)
Any of these strengthens your application.
2
Where this can take you
With experience, you could work towards professional registration in a particular IT security specialism, such as: security systems management, testing and architecture and design. You could also: move into security consultancy and work for the police, security services or specialist law firms who investigate computer crimes.
Courses for this career
Level 1
Level 2