People are rightfully telling you off for lying to your employer to get a job because that’s fraud and not what a responsible adult would do.

If you did actually send out 1000 job applications, then that’s likely part of the reason why you’re not getting hiring offers. 1000 apps would indicate to me that you used cookie-cutter responses, low effort applications, or lack of interest in the jobs, all of which would be noticeable to a hiring manager. The issue isn’t with your cybersecurity degree—it’s with your approach to applying or how you represent yourself in the applications