Alpha Security Home ›› Local Listings ›› SA ›› Adelaide ›› Alpha Security SA Business Services Adelaide, SA 5000 08 8340 775008 8340 7750Fax: 08 8447 7149Mobile: 0883407750https://www.alphasecurity.com.au Alpha Security Systems is one of the popular security system service providers in Adelaide giving you better protection from invaders and theft. You can reach us for full maintenance, repair and reinstallation of Adelaide Security Services at residential and commercial places. Reach us for 24 hour video monitoring services.