Here is a list of countries that you can target to pursue master’s in cybersecurity:

United Kingdom: Reasons include world-class educational institutions, modernised facilities and equipment, and rewarding employment opportunities.
United States of America (USA): Reasons include a diverse range of specialisations, world-class universities, and competitive job opportunities.
Switzerland: High-quality hands-on training, a world-class educational system, and well-respected educational institutions are the reasons.
Reason: Highly accredited degrees and programmes, top-performing universities, and a diverse career path.
Denmark: Internationally focused academic programmes, highly innovative, modernised facilities and laboratories are the reasons.
Denmark is regarded as one of the best countries in the world for studying cyber security. First, because Denmark is highly innovative, they built their university with modernised research and training facilities and laboratories. As a cyber security major here, you'll gain an excellent and modernised understanding of the field. Here is a list of affordable universities that you can target:

GEORGIA INSTITUTE OF TECHNOLOGY
ILLINOIS INSTITUTE OF TECHNOLOGY
FLORIDA INSTITUTE OF TECHNOLOGY
ARIZONA STATE UNIVERSITY
MISSISSIPPI STATE UNIVERSITY
UNIVERSITY OF WASHINGTON
SAINT LEO UNIVERSITY
BELLEVUE UNIVERSITY
CALIFORNIA STATE UNIVERSITY SAN BERNARDINO
CLEMSON UNIVERSITY
If you have any further questions just ask me.