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Network Security Services

Network Security Services | Firewall Management, Network Protection, Threat Monitoring

Secure your network infrastructure with comprehensive security services designed to strengthen firewall controls, protect connected systems, and identify potential threats.

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Why Companies Choose AppStudio for Network Security Services

24/7 Reliability

24/7 monitoring of firewall health and security events means threats and outages are handled before they become breaches or downtime.

Stronger Security

Policy is designed, reviewed, and enforced consistently so remote workers and branch offices do not become the weak link.

Predictable Costs

One managed model replaces emergency break-fix work and overlapping security appliances with clear ownership.

Scalable Partnership

Architecture scales from a single office to multi-site and hybrid cloud without rewriting policy from scratch each time.

Services

What Our Network Security Services Cover

Firewall Policy Management

Firewall rules designed, documented, and enforced across sites and remote access paths.
Regular policy reviews that remove dead rules and reduce attack surface.
Change control so urgent opens do not become permanent exceptions.

VPN & Site-to-Site Connectivity

Secure remote VPN for hybrid and traveling staff.
Site-to-site tunnels between offices, colo, and cloud networks.
Access patterns that favor least privilege over flat network trust.

Zero-Trust Access

Identity-aware access that verifies user and device before granting entry.
Conditional access and MFA coordinated with your identity provider.
Reduced reliance on broad VPN for every application.

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Intrusion Prevention & Traffic Filtering

IPS, web filtering, and traffic inspection tuned to your risk profile.
Live threat intelligence applied to block known-bad destinations.
Alert triage that separates noise from incidents that need action.

Network Segmentation

Segmentation that keeps critical systems and sensitive data walled off.
Guest, IoT, and corporate traffic separated with clear policy.
Designs that limit blast radius when a device is compromised.

Firewall Health & Lifecycle

Firmware, certificates, and high-availability monitored continuously.
Capacity and performance reviews before bottlenecks hit users.
Refresh planning so aging appliances are replaced on purpose, not in crisis.

Logging, Detection & Response

Centralized logging with retention suited to your compliance needs.
Coordination with SOC and cybersecurity services for escalation.
Documented response playbooks for common network security incidents.

Compliance-Ready Network Controls

Evidence of policy, change, and access reviews for auditors.
Controls mapped to frameworks such as PCI DSS, HIPAA, and SOC 2.
Alignment with your broader IT compliance and risk program.

Solving the Network Security Challenges that Others Overlook

Business Priorities

Consistent policy everywhere

Zero-trust remote access

Segmented critical systems

Live threat blocking

Auditable changes

Always-on monitoring

Lifecycle without drama

Industry Gaps

Different rules per site and VPN

Flat VPN into the whole network

Flat LAN that spreads ransomware

Static rules that age out

Emergency opens that never close

Discovering outages from user tickets

Appliances fail past end of support

Our Proven Advantage

Centralized firewall policy with regular review

Identity-aware access and least privilege

Network segmentation that limits blast radius

IPS and threat intelligence kept current

Change control and documented exceptions

24/7 health and security event monitoring

Firmware, HA, and refresh planned ahead

Global Standards. Built-In Trust.

We operate with the highest levels of security, privacy, and quality, backed by globally recognized certifications. Our standards are built to meet enterprise and regulatory requirements across industries.

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Pick a time that works for you and walk through your current setup with one of our specialists. You will leave with a clear read on your options and a practical next step, with no obligation.

Rated Among the Top Managed IT Partners

Independent review platforms and analysts consistently rank AppStudio for the things clients care about most: reliability you can plan around, governance you can prove, and operations that scale as you do.

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How We Onboard and Run Your Firewall & Network Security

Firewalls only protect what policy and monitoring keep honest. At AppStudio, we take over network security in phases so you get visibility first, then tighten segmentation and zero-trust access without breaking the business.

We operate with ITIL change practice and close coordination to your identity, endpoint, and SOC programs, including full IT managed services when you want one owner.

The outcome is a network perimeter and access model that auditors can follow and attackers find harder to traverse.

We inventory firewalls, VPNs, rules, and network zones, then flag high-risk exceptions and single points of failure.

We normalize policy, enable logging, fix HA and certificates, and remove unused access paths.

We design segmentation and zero-trust or VPN patterns that match how your people actually work.

We watch health and security events 24/7, triage alerts, and execute response playbooks.

We run periodic policy and architecture reviews so controls stay aligned as you add sites and cloud.

Why Clients Stay With Us

We are measured on blocked risk and uptime together. The numbers below are why clients keep network security with us.

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average reduction in unused or duplicate firewall rules after the first policy cleanup

firewall high-availability uptime maintained across the production estates we operate

of network security clients renew after the first year

What Our Clients Say About Working With Us

Vikram Nair

CTO, Logistics & Supply Chain, Calgary, AB, Canada

“AppStudio took over our environment end to end, standardized our monitoring, and automated the routine operations that used to eat our team's day. Incident resolution is faster, downtime dropped noticeably, and their governance is transparent and always on-SLA.”

Claire Bélanger

CIO, Financial Services, Toronto, ON, Canada

“The improvements showed up within weeks. AppStudio cut our incident counts, lifted SLA adherence, and gave us real-time visibility across the entire estate for the first time. Their governance and compliance-first approach makes them feel like a strategic partner.”

Sean O'Brien

VP of Infrastructure, Healthcare, Ottawa, ON, Canada

“AppStudio moved us to a fully managed model without a single hiccup on our critical systems. Between proactive monitoring, HIPAA-aligned processes, and a genuine 24/7 service desk, confidence in IT grew right across the organization.”

Divya Menon

Head of IT Operations, Retail, Montreal, QC, Canada

“Support is now consistent across every site, and AppStudio tied our metrics directly to business goals. They plugged straight into our tooling and scaled coverage through seasonal peaks, which kept operations steady when it mattered most.”

Pierre Gauthier

Director of Technology, SaaS, Vancouver, BC, Canada

“With AppStudio keeping our platform stable and scalable, our own engineers got to focus on building instead of firefighting. Their disciplined delivery and the uptime they hold meant our customers never felt a thing.”

Nora Haddad

Director of IT, Manufacturing, Hamilton, ON, Canada

“From proactive monitoring to fast response, our plant and office systems stay secure and available around the clock. Downtime is down more than 40% since we signed on, and our compliance posture is far stronger.”

Arjun Sethi

Director of Infrastructure, Insurance, Winnipeg, MB, Canada

“Bringing AppStudio on board genuinely changed how we operate. We finally have the stability and room to scale we needed, and our response times improved by roughly 35% with noticeably better uptime.”

Renée Cloutier

Senior IT Manager, Energy & Utilities, Edmonton, AB, Canada

“They keep our infrastructure secure, efficient, and compliant. Operational risk is lower, and availability is up across every department, exactly what round-the-clock operations demand.”

Success Stories

Skills Compétences Canada digital platform

Empowering Future Talent in Trades and Technology

Commissioned by Skills Compétences Canada, we built a national bilingual platform with native apps, a secure CMS, and Canadian cloud infrastructure to promote trades and technology careers at scale.

Canadian Wildlife Health Cooperative surveillance platform

Digitizing Wildlife Surveillance for National Resilience

For the Canadian Wildlife Health Cooperative, we replaced siloed tools with a cloud-native platform that unifies field reports, lab diagnostics, and cross-province analytics in real time.

Seattle Aquarium interactive digital experience

Interactive Learning Through Digital Experience

We unified kiosks, ticketing, and mobile into one cloud-native platform for Seattle Aquarium, raising visitor engagement and streamlining operations across every touchpoint.

Domain-Centric Network Security for Industry-Specific Needs

AppStudio manages firewalls and network security for industries that need segmented data, remote access, and audit-ready evidence without slowing operations.

Healthcare & Life Sciences

Segmented clinical, IoMT, and guest networks under least privilege.
Zero-trust remote access for clinicians and third-party vendors.
Firewalls and IPS tuned to shield EHR traffic and PHI.

Accounting & Financial Services

Zones isolating trading, payment, and back-office systems.
DDoS and intrusion protection in front of client services.
Encrypted, monitored links between branches and data centres.

Retail & Consumer Commerce

PCI-scoped segmentation walling off POS and payment paths.
Store-to-cloud SD-WAN with firewalling and content filtering.
Rogue-device and wireless intrusion detection in every store.

Government & Public Sector

Zone-based firewalls aligned to NIST and CIS baselines.
Multi-agency networks with inspected east-west traffic.
Least-privilege remote access with fully logged sessions.

Logistics, Supply Chain & Transportation

Warehouse, OT, and corporate traffic separated at the edge.
Firewalled links for depots, docks, and mobile fleets.
Intrusion detection spanning distributed, high-churn sites.

Telecom & Connectivity

Carrier-scale DDoS scrubbing at the network edge.
Separation between core, subscriber, and management planes.
Continuous inspection across very high-volume links.

Education & eLearning

Student, staff, research, and IoT traffic kept apart.
Campus-wide content filtering and safe-access controls.
Policy-enforced remote and eduroam connectivity.

Travel, Hospitality & Aviation

Guest, POS, and operations traffic held firmly apart.
Wireless intrusion detection across properties and terminals.
PCI-scoped walls around booking and payment flows.

High-Tech, SaaS & Software Product Companies

Micro-segmentation and zero trust across cloud and pipelines.
WAF, API, and egress controls in front of product traffic.
East-west inspection between services and environments.

Real Estate & PropTech

Office, building-IoT, and access-control traffic separated.
Hardened remote connectivity for agents and site teams.
Firewalling for smart-building sensors and controllers.

Energy, Oil & Gas

IT and OT segmentation drawn to IEC 62443 zones.
Hardened remote paths into field and plant control systems.
Intrusion detection across pipeline and terminal networks.

Manufacturing & Industrial

Purdue-model layers between IT, OT, and SCADA.
Deny-by-default firewalling around cells and production lines.
OT-aware intrusion detection on the plant floor.

Media & Entertainment

Production, edit, and distribution traffic partitioned.
DDoS protection for streaming and high-traffic platforms.
Monitored, least-privilege access to high-value content.

Legal Services & Law Firms

Tight segmentation and least privilege around case systems.
Encrypted, monitored remote access for lawyers and staff.
Firewalls and IPS guarding privileged matter data.

Nonprofit Organizations

Right-sized firewalling and segmentation for lean networks.
Simple, hardened remote and volunteer access.
Budget-fit content filtering and intrusion alerts.

Pharmaceuticals & MedTech

Lab, manufacturing, and validated-system traffic separated.
Firewalls and access control ringing GxP environments.
Intrusion detection shielding research and trial data.

A Firewall Estate That Is Governed, Not Just Installed

A firewall full of exceptions is not a control. It is a history of emergencies. Managed network security replaces that drift with policy, monitoring, and ownership.

We manage firewalls, VPN, zero-trust access, IPS, and segmentation as an operating service. For deeper detection and response, pair this with cybersecurity services or a broader IT managed services engagement.

If you want a partner who will own the rule base and the 2 a.m. tunnel alert, book a consultation.

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Frequently Asked Questions

Policy design and cleanup, safe change control, 24/7 monitoring and alerting, firmware and high-availability care, VPN and site-to-site connectivity, segmentation, logging, and regular policy reviews with evidence. In short, we own the firewall estate end to end rather than just installing it and walking away.

We manage the major firewall platforms you already run, so there is no rip-and-replace by default. We only recommend a change when a device is end-of-life, cannot meet a security or performance requirement, or is holding back the rest of the estate, and we make that case with evidence.

Most estates accumulate thousands of rules no one dares touch. We inventory them, identify unused, shadowed, and duplicate rules, and remove them with business-owner sign-off, then hold the line with documented change control and periodic reviews so sprawl does not creep back.

Access decisions based on verified user and device identity and least privilege, instead of trusting anything that reaches the corporate network. In practice that means segmenting the network, tying access to identity, and removing the flat any-to-any paths attackers rely on.

We map application dependencies and traffic flows first, design segmentation against reality, then roll it out in phases with monitoring at each step. That sequencing is what prevents the surprise outages that make teams avoid segmentation altogether.

Every change goes through documented review, is tested where possible, and has a rollback path, with an auditable record of what changed and why. No silent, undocumented tweaks to production policy.

Yes. We enforce consistent policy across offices, data centres, cloud, and remote access, including site-to-site tunnels and secure VPN or zero-trust patterns, so a remote user is not a weaker link than someone in the office.

We maintain evidence of policy, change history, and access reviews mapped to the frameworks you answer to, such as PCI DSS, HIPAA, and SOC 2, so audit requests are a document pull rather than a scramble.

We centralise firewall and network logs, alert on suspicious traffic and policy violations, and have defined containment steps for critical findings, coordinated with your broader detection and response so issues are contained quickly rather than noticed late.

The firewall and network layer is one control among several. It sits alongside endpoint, identity, and SOC detection, and the escalation paths connect, so a perimeter alert can hand off to detection and response rather than dead-ending.

Monitoring and urgent hardening can begin within days of getting access. The deeper work, full policy cleanup and segmentation, runs on a phased plan sized to the complexity of your environment.

Book a consultation and we will review your current firewalls, rule base, and network topology, flag the biggest risks and quick wins, and lay out a practical plan to bring the estate under managed control.

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Tell us a little about your setup using the form below and our service delivery team will reach out to talk through your environment, your priorities, and the approach that fits best.

Network Security Services