SOS Security, a Parsippany, NJ-based security solutions provider, has been recapitalized by ZS Fund and company management. Its security services include uniformed security officers, executive protection, concierge services, receptionists, consulting and investigation work. The company serves clients in an array of industries, including telecommunications, utilities, entertainment, government, financial services and healthcare, among others. The capital will accelerate the company's growth through the expansion of its global client footprint, as well as strategic acquisitions in a variety of vertical markets.