As you know, enterprise network security has evolved significantly over the past decade. Firewalls have become more intelligent, threat detection methods have advanced, and access controls have become more granular. However (and this is a big “however”), the increased use of mobile devices in business operations requires network security measures specifically tailored to the unique operational patterns of mobile devices.
Yes, businesses have invested heavily in robust network security, including firewalls, intrusion detection, and threat intelligence platforms. Granted, these controls work very well on traditional endpoints, but they behave differently on mobile devices. These connect to each other to corporate Wi-Fi and public networks. They run dozens of apps with varying trust levels. They process sensitive data in coffee shops, airports, and home offices.
The problem is not that organizations lack security, but that mobile devices require security controls that adapt to their unique usage patterns.
Samsung Knox is specifically designed to address this reality. Let’s see how.
Samsung Knox Firewall offers granular control
Please change your mind. Most mobile firewalls are blunt weapons. Traffic is allowed or blocked with little to no knowledge of what is happening or why. This makes it difficult to enforce meaningful policies and investigate problems when they occur.
Knox Firewall takes a more precise approach. This gives IT admins the granular network control per app and the transparency security teams expect.
Rather than defaulting to “allow all” or “block all,” rules are tailored to individual applications. You can restrict sensitive document viewers to specific IP addresses. Collaboration tools can be restricted to approved domains. Each app gets network access based on its risk profile, rather than being lumped together with everything else on the device.
I think what really sets this tier apart is visibility. When a user attempts to access a blocked domain, Knox Firewall logs an event with detailed context, such as:
App package name Blocked domain/IP timestamp
For threat hunting and incident response, this level of insight can reduce investigations from days to hours.
Knox Firewall also supports IPv4 and IPv6 filtering, domain and subdomain control, and both per-app and device-wide modes. Built into the device architecture, it avoids the performance overhead and deployment complexity common with third-party firewalls.
Key Takeaways: Knox Firewall provides IT teams with granular control and complete visibility, turning “block or allow” firewalls into proactive investigation tools.
Zero Trust network access that works in conjunction with VPN
Perimeter security alone is no longer enough. Access decisions must consider device state, user identity, and context, and must be made continuously, not just at login.
That’s where the Samsung Knox Zero Trust Network Access (ZTNA) framework comes into play. It supports Zero Trust principles while working alongside your existing VPN investments, rather than replacing them.
The Samsung Knox ZTNA framework uses host-based microsegmentation to separate network traffic by app and domain. result? If a device or app is compromised, the attack surface is smaller and there is much less room for lateral movement.
The main features are:
Balance security and performance with split DNS tunneling Context-rich metadata (e.g. app package name, signature, version) to enable precise access policies Dynamic policy evaluation at access time based on device and application context Privacy-friendly traffic handling that respects enterprise-user boundaries
Most importantly, the Samsung Knox ZTNA framework is built for real-world environments. It works in conjunction with the VPN and mobile threat protection tools your organization already uses, so you don’t have to completely replace them.
For organizations with existing VPN infrastructure, the Samsung Knox ZTNA framework allows for a gradual migration path. That’s what Zero Trust actually is. Precise access control, reduced attack surface, and the flexibility to evolve your security architecture at your own pace.
Key takeaway: The Samsung Knox ZTNA framework locks down mobile access while working with the tools your teams already trust to deliver practical zero trust.
Benefits of integration
Samsung Knox is more than just a collection of tools; it’s a system. Threat signals flow throughout the device and adapt protection in real time. Phishing alert? This could trigger new firewall rules or trigger a hardware lockdown. Device health, user context, and threat intelligence all work together. Zero Trust doesn’t just work on paper; it works in practice.
Samsung Knox is built into Samsung Galaxy devices, avoiding the confusion of multiple agents, vendors, and integrations. SOC 2 certified, GDPR ready, fully compatible with leading MDM, UEM, and SIEM platforms, and works out of the box.
Mobile devices are no longer endpoints, they are entry points. And if network security doesn’t protect them, it’s not just incomplete. It’s a waste.
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