MSS - Managed Security Services Home Cybersecurity Dictionary MSS - Managed Security Services MSS are security service functions that have been outsourced to an external service provider (such as management of security tools, threat management, incident response, and forensics). A company providing these services is referred to as a Managed Security Service Provider (MSSP). Outsourcing can be an easy way for an organization to add specific security expertise they may lack, can create cost savings by eliminating the need to hire full-time in-house resources, or it can be used to augment in-house capabilities to accomplish 24/7 security monitoring. Related TermsMSSP - Managed Security Service ProviderSOC - Security Operation CenterIR - Incident ResponseEDR - Endpoint Detection and ResponseMDR - Managed Detection and Response Share: Seeking Clarity? View the Cybersecurity Dictionary for top terms searched by your peers. Back to the Dictionary RELATED INSIGHTS DOWNLOAD April 16, 2019 Optiv’s Managed Security Services Mitigate Risk for Multi-Brand National Retailer Optiv’s Managed Security Services provides you with cost effective approach to remotely secure your environment. See Details Read more about Optiv’s Managed Security Services Mitigate Risk for Multi-Brand National Retailer How Can We Help? Let us know what you need, and we will have an Optiv professional contact you shortly.