Descrição The Croma Group knows how to keep its guard up and its customers protected. The company's security services include asset protection, biometrics and identity management solutions. Through its Vigilant subsidiary, the company provides security services ranging from security guards for special events to mobile patrols as well as security training. The company's Photobase division develops and installs biometric security software and hardware. The group signed a deal to sell its RDDS Avionics unit (28% of sales in 2010) to Oak Manor Investments in mid-2011.