Using Infrastructure as a Service (IaaS), Information Services customers also get the opportunity to implement additional technologies to enhance system security - cloud DDoS protection, malicious code identification systems, WAF functionality, anti-spam and backup solutions. The provided service includes expert support in administrating and updating the core systems’ components, and monitoring and tracking events, connected to the security. The "Information Services" JSC data centers are built according to the best modern practices, they have specialized systems for video surveillance, physical security, two-factor access control, environmental control, fire alarm and fire extinguishing, guaranteed power supply through UPS and generator systems, as well as a specialized team for round-the-clock maintenance. Among the clients that use "Infrastructure as a Service" from us are The National Revenue Agency, The National Health Insurance Fund, The Registry Agency, Ministry of Health, The Public Financial Inspection Agency, Geodesy. Cartography and Cadastre Agency, BDZ, The Central Election Commission, and Bulgarian News Agency.