Marshall Security Training Home ›› Local Listings ›› NSW ›› Merrylands ›› Marshall Security Training NSW Education and Learning Merrylands, NSW 2160 Idris Barakzai1300 633 324https://www.marshallsecuritytraining.com.au At Marshall Security Training we thrive on our excellent training services in NSW, Sydney. Our services range in Certificate II in Security Operations CPP20212, Provide First Aid Course – HLTAID003 & Provide Responsible Service of Alcohol (RSA Training) SITHFAB009A.