GTT Enhances Portfolio of Managed Security Services Media Links McLean, VA, January 19, 2021 — GTT Communications, Inc. (NYSE: GTT), a leading global cloud networking provider to multinational clients, announced it has enhanced its portfolio of managed security services. Leveraging Fortinet’s next-generation Security Fabric, GTT is now able to deliver more advanced software-defined capabilities, including unified threat prevention (UTP), which integrates a range of security features, such as application control, web filtering, antivirus, data loss prevention, and intrusion detection and prevention. Additionally, GTT has added Managed Detection and Response capabilities to its security service portfolio, which provides comprehensive security coverage for cloud, on-premise and hybrid environments. The feature set includes an advanced security tool suite, with machine-learning behavioral analytics, embedded threat intelligence, and 24/7 security monitoring and incident response, managed by GTT’s certified security experts in its global Security Operation Centers.