Network Security
Managed firewalls, documented changes, and consistent policy for offices and remote work.
Our network security services, including managed firewall services, keep rules current, inspect traffic, and document changes for regulated organizations with offices and remote staff. Misconfigured firewalls remain a common path into a network, so this work is treated as an ongoing program, not a one-time install. For multi-location and remote work, SASE and SD-WAN can extend consistent policy beyond a single office perimeter. This sits alongside our cybersecurity services, which cover monitoring, endpoints, and response.
The work is configuration, monitoring, and documentation, so the network perimeter does not quietly drift out of date.
Firewall configuration, monitoring, and maintenance, with traffic inspection and a documented change process. The aim is current rules, fewer surprises, and a record of what changed and why.
Rules that are never reviewed become a risk. We monitor the environment and keep changes documented so you can explain the current state to an auditor or a carrier.
Secure Access Service Edge and SD-WAN can bring network security and wide-area connectivity together for multi-location and remote work, so policy is not stuck at a single office firewall.
Firewalls are one layer. Our cybersecurity services cover 24/7 monitoring, endpoints, testing, and incident response, so network security is not left standing on its own.
Firewall rules only stay trustworthy if changes are reviewed and recorded.
Rule changes are documented so you can explain the current state to an auditor or a carrier, and so a temporary exception does not quietly become the new normal.
If a specific platform is already in your environment, we manage and document it there. The work is configuration, monitoring, inspection, and a clear change process.
These network security services are built for regulated, often multi-location organizations that need the perimeter to be managed, not just installed. If that sounds like your industry, start here:
These case studies show security and recovery work in regulated environments, including controls that sit alongside a managed network.
About the author
Ken Satkunam, CISM
President & Founder, NorthStar Technology Group
Ken has spent over 25 years in IT leadership, serving in roles from technical support to CIO for organizations as large as 23,000 employees. He founded NorthStar Technology Group in 2000 to help regulated organizations build secure, compliant, and operationally resilient technology environments. Ken holds the Certified Information Security Manager (CISM) credential from ISACA and is the co-author of the Amazon best-seller "Cyber Attack Prevention." He has been quoted in industry publications including eWeek and DM News, and NorthStar has been recognized on the Inc. 5000 list in both 2024 and 2025.
We can talk through your current rules and documentation, or start with our free Security and AI Readiness Check.
