For Business & Enterprise Networks

Enterprise-Grade DNS Security & Content Filtering for Modern Businesses

Secure64 LineGuard provides advanced DNS filtering and cybersecurity services designed to protect today’s complex enterprise networks. From financial services and manufacturing to global corporations and SaaS providers, LineGuard delivers carrier-grade DNS security with enterprise-level flexibility, visibility, and control. 

Secure 64 LineGuard allows enterprises to protect the network against shadow IT implementations such as AI and VPN tools delivering always on blocking irrespective of devove or access methods

LineGuard Offers DNS level content blocking and filtering for enterprise businesses

Why DNS Security Is Critical for Enterprise Networks

Ransomware, phishing, and credential theft remain the leading threat vectors targeting modern businesses, often exploiting DNS-layer vulnerabilities to bypass traditional firewalls and endpoint defenses. As remote workforces and cloud adoption continue to dissolve the traditional network perimeter, organizations face growing risks of data exposure.

Regulatory compliance frameworks such as GDPR, SOX, and PCI require the implementation of strong data protection policies across all environments. Employees need secure and reliable internet access from any location and device, without compromising sensitive or proprietary information.

Secure64 LineGuard enforces these protections at the DNS layer, the first point of contact for every internet request, blocking threats before they infiltrate the network. It also helps safeguard corporate data by restricting access to high-risk AI platforms, including large language models like Deepseek, which transmits user data to servers in China, thereby preventing unintentional data leakage and maintaining control over confidential assets.

Key Benefits for Enterprise Organizations

1. Block Modern Cyber Threats at the DNS Layer

Secure64 LineGuard provides real-time protection against a wide range of cyber threats, including malware, phishing, ransomware, botnets, scams, and data exfiltration. By intercepting command-and-control connections at the DNS layer, it stops ransomware attacks before encryption can begin, preserving system integrity and minimizing downtime. LineGuard also blocks DNS tunneling and defends against advanced persistent threats (APTs), delivering comprehensive threat prevention at the earliest point of network contact.

2. Centralized Policy Enforcement Across Global Locations

Secure64 LineGuard enables organizations to apply consistent DNS filtering policies across corporate offices, branch locations, remote workers, and cloud-based workloads, ensuring uniform security regardless of where users connect. With EDNS and source IP-based policy enforcement, LineGuard simplifies global network segmentation, allowing administrators to efficiently manage complex environments. Policies can be tailored by user group, department, role, or location, providing granular control that supports both security and operational flexibility.

DNS Content Filtering from LineGuard

3. Secure Remote Workforces & BYOD Access

Secure64 LineGuard enforces DNS security across all network locations and devices, ensuring consistent protection no matter where employees connect—from home offices to hotels, airports, or co-working spaces. This always-on defense safeguards against threats in distributed work environments while simplifying policy administration for both hybrid and fully remote work models. Organizations can maintain strong security posture without sacrificing flexibility or productivity.

4. Maintain Privacy, Compliance & Data Sovereignty

Secure64 LineGuard offers in-network deployment options that keep all DNS traffic under direct enterprise control, eliminating the need to route sensitive data through third-party cloud providers. This approach enhances data privacy, reduces external exposure, and simplifies adherence to regulatory frameworks such as GDPR, HIPAA, SOX, and PCI. With comprehensive audit logging and automated reporting, LineGuard makes it easier for organizations to demonstrate compliance while maintaining full visibility into DNS activity.

LineGuard protects data sovereignty

5. Integrate with Existing Security Architecture

Secure64 LineGuard provides full API access, enabling seamless integration with SIEM, SOAR, and other security operations platforms to streamline threat detection and response. Organizations can automate key functions such as reporting, provisioning, incident handling, and compliance workflows, improving operational efficiency. LineGuard also integrates easily with Active Directory, single sign-on (SSO), and identity management systems, allowing centralized policy enforcement and user-based access control across the network.

Secure64 LineGuard Enterprise Features

  • 500+ customizable content filtering categories
  • Real-time DNS-layer threat intelligence (AI + human-curated)
  • Malware, phishing, ransomware, crypto-mining, and scam blocking
  • Full EDNS & Source IP filtering for detailed policy control
  • API-driven automation for management, reporting, and compliance
  • Ultra-low latency (12.72 ms DNS resolution)
  • In-network, hybrid, or cloud deployments to match enterprise IT needs
  • 24/7 U.S.-based support with assigned Customer Success Managers
  • Listed by U.S. CISA as a Protective DNS Vendor
    Block shadow IT application usage
AI Powered content filtering by LineGuard

Why Enterprises Choose Secure64

  • Simplifies global policy management across diverse networks
  • Scales to support large, distributed workforces
  • Cost savings as high as 50% compared to cloud-only filtering solutions
  • Strengthens enterprise zero-trust strategies by controlling DNS traffic
  • Flexible deployment models support cloud-first or hybrid IT strategies
  • Trusted DNS partner to major enterprises, governments, and service providers worldwide

Protect Enterprise Business Operations at the DNS Layer

Modern businesses need protection that follows their users, workloads, and applications everywhere. Secure64 LineGuard delivers the DNS-layer defense that:

  • Blocks threats before they reach endpoints
  • Simplifies global policy management
  • Protects sensitive business data
  • Supports compliance and audit readiness
  • Optimizes internet performance across all locations

Schedule a demo or consultation to see how Secure64 LineGuard secures your business-critical operations at the DNS layer.

LineGuard

See How a Major U.S. Carrier Cut Cybersecurity Costs by 50% and Boosted Performance by 3X
Discover how LineGuard by Secure64 protects 6 million users, blocks 100 million threats daily, and delivers lightning-fast results after switching from Cisco Umbrella in just 6 weeks.