ThreatARMOR

Cisco Umbrella's cloud-delivered security enables an immediate improvement in security and compliance posture. That's because DNS is at the heart of every internet connection request. Securing the DNS layer means blocking malicious domains, IP addresses, and cloud applications before a connection is ever established. More than 30,000 organizations depend upon Umbrella DNS to deliver a fast, safe, and reliable internet experience that is simple to deploy and easy to manage. A recent study by GigaOM ranked Cisco #1 in DNS-layer security, and our DNS security contributed to Miercom ranking Cisco #1 in the industry in its laboratory testing of SSE threat efficacy. When you are looking to build upon DNS-layer protection with additional user protection capabilities, including ZTNA, SWG, CASB, DLP, and more, see Cisco Secure Access. Cisco Secure Access features a single client, single manager, and single policy construct protection for multi-function internet access protection and integrated

OpenText Core DNS Protection is a cloud-native security solution that monitors and filters every DNS request to block threats before they reach your users or devices. It prevents malware infections by stopping access to malicious domains and Command and Control servers, reducing the risk of data exfiltration. The platform offers full visibility into DNS activity through detailed logs, giving security teams greater insight into network behavior and potential vulnerabilities. With agent-level intelligence, it detects unauthorized DNS servers, enforces policy across encrypted DNS traffic, and eliminates DNS leaks in real time. Deployment takes only seconds, and protection applies on any network—whether employees are in the office, at home, or on public Wi-Fi. By acting as a DNS firewall, OpenText Core DNS Protection closes critical visibility gaps left by legacy tools and strengthens organizational resilience against modern cyber threats.