Managed Security Services is a systematic approach to managing the security of an organization’s IT Infrastructure. It is an assessment conducted to evaluate the effectiveness of security devices and applications in the environment. Organizations lacking resources and expertise often require third-party Managed Security Services for building a strong security program. This security service includes a wide range of services including infrastructure security management, incident management, managed firewall services, intrusion detection, and security of virtual private network, and vulnerability scanning to name a few. Managed Security Service helps monitor the IT environment for intrusion and protect sensitive information against internal/external threat. Organizations looking to overcome challenges of evolving security landscape, lack of skilled resources and efficiency in their IT systems and operations will need Managed Security Services.