NETWORK • CLOUD • CYBERSECURITY

Security engineered across your entire environment.

Linko Cybersecurity helps organizations secure networks, cloud infrastructure, firewalls, remote access, applications and users through practical security architecture and hands-on engineering.

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NGFW Cloud Zero Trust VPN Segmentation SASE

LIVE SECURITY ARCHITECTURE

☁ AWS

☁ AZURE

☁ GCP

◎ INTERNET / SECURITY EDGE

↓

LINKO SECURITY NEXT-GENERATION FIREWALL APP-ID • IPS • URL • DNS • SSL/TLS

↓

USERS Identity

APPLICATIONS Workloads

DATA Protected Assets

SECURITY CAPABILITIES

Network and cloud security engineered together.

Modern security depends on understanding how users, applications, networks, cloud platforms and security controls communicate. Linko helps design and secure those connections from end to end.

◎

NETWORK SECURITY

Secure the network foundation.

Protect connectivity between users, branches, data centers, applications and cloud environments with security designed into the network architecture.

Network Segmentation BGP / OSPF Security Zones Threat Prevention Secure Routing Network Access

USERS LAN / Wi-Fi

→

SECURITY NGFW

→

NETWORK Core / Branch

→

APPS Services

☁

CLOUD SECURITY

Secure hybrid and multi-cloud environments.

Connect and protect workloads across AWS, Microsoft Azure, Google Cloud and on-premises infrastructure while maintaining segmentation, routing control and consistent security policy.

AWS Microsoft Azure Google Cloud Hybrid Connectivity Cloud Segmentation Cloud Firewalls

☁ AWS

☁ AZURE

☁ GCP

CENTRAL SECURITY CLOUD SECURITY GATEWAY ROUTING • INSPECTION • POLICY

↓

ENTERPRISE NETWORK Data Center • Branch • Users

SECURITY ENFORCEMENT

Control traffic. Verify access. Reduce exposure.

Firewalls protect traffic moving between security zones, while Zero Trust and secure access controls help determine who should reach applications and resources.

▰

FIREWALL & VPN

Next-generation security at the traffic edge.

Inspect and control traffic between the internet, users, applications, cloud environments and internal networks with modern firewall and secure connectivity technologies.

NGFW Architecture Security Policy Threat Prevention URL / DNS Security IPSec VPN Remote Access VPN NAT SSL/TLS Inspection

TRAFFIC INSPECTION FLOW

◎ INTERNET UNTRUSTED TRAFFIC

Malware Exploit C2 Web

↓ INSPECT

LINKO SECURITY NEXT-GENERATION FIREWALL

IDENTIFY APP

IDENTIFY USER

INSPECT THREAT

CONTROL POLICY

IPS URL DNS SSL/TLS

✕ BLOCK MALICIOUS

✓ ALLOW VALIDATED

USERS Corporate

APPS Services

CLOUD Workloads

INTERACTIVE SECURITY DEMO

See how the firewall makes a security decision.

Select a traffic scenario to see how the NGFW responds.

SOURCE INTERNET / USER Incoming session

LINKO SECURITY NEXT-GENERATION FIREWALL

IDENTIFY APP-ID

IDENTIFY USER-ID

INSPECT THREATS

ENFORCE POLICY

IPS URL DNS SSL/TLS MALWARE

ALLOW Traffic validated

USERS Corporate

APPLICATIONS Services

CLOUD Workloads

Normal application traffic

The firewall identifies the application and user, evaluates security policy, inspects the session for threats and permits validated traffic.

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🔒

ZERO TRUST & SASE

Verify access before connecting users to apps.

Modern access security should evaluate identity, device posture, application requirements and policy instead of trusting a connection simply because it originated from inside the network.

Zero Trust ZTNA SASE Identity-Aware Access Least Privilege Device Posture Remote Workforce Application Access

ZERO TRUST ACCESS FLOW

👤 USER

💻 DEVICE

↓ ACCESS REQUEST

ZERO TRUST POLICY ENGINE VERIFY BEFORE ACCESS

01 IDENTITY Who is requesting access?

02 DEVICE Is the device trusted?

03 CONTEXT Is the request expected?

04 POLICY Should access be allowed?

✕ DENY POLICY FAILED

✓ GRANT LEAST PRIVILEGE

↓ SECURE ACCESS

▦

APPLICATION Authorized resource only

REFERENCE ARCHITECTURE

See how the security layers work together.

A simplified view of how Linko approaches modern network and cloud security architecture.

EXTERNAL

◎ Internet

☁ SaaS

☁ Public Cloud

Encrypted + Untrusted Traffic ↓

SECURITY EDGE

IDENTIFY App / User

INSPECT Threat / URL

CONTROL Security Policy

PROTECT IPS / DNS

LINKO NGFW

Validated Traffic ↓

👤 Users Identity + Device

▦ Applications Internal Services

☁ Cloud AWS / Azure / GCP

▤ Data Center Critical Infrastructure

THREAT EDUCATION

How can a Man-in-the-Middle attack happen?

A Man-in-the-Middle attack attempts to place an attacker between a user and the service they are trying to reach. Depending on the attack and security controls in place, traffic may be observed, redirected or modified.

ATTACK SCENARIO INTERCEPTED COMMUNICATION PATH

UNTRUSTED PATH

💻

USER Laptop / Mobile

REQUEST

Traffic

⚠

THREAT ATTACKER INTERCEPT

FORWARD

Traffic

▦

APPLICATION Web / Cloud

01 OBSERVE Attempt to view exposed traffic or metadata.

02 REDIRECT Attempt to send a user toward an unintended destination.

03 MODIFY Attempt to alter communication in transit.

EXAMPLE RISK SCENARIOS

Where interception risk can appear.

◉

Rogue or Untrusted Wi-Fi

A malicious or untrusted wireless network can create an opportunity to observe or manipulate network communication.

⇄

Local Network Manipulation

Compromised local network behavior can attempt to redirect traffic through an unintended system.

◎

DNS Manipulation

Manipulated name resolution can attempt to direct users toward an unintended or malicious destination.

◇

Certificate Trust Problems

Ignored certificate warnings or improperly trusted certificates can weaken the protection users expect from encrypted connections.

PROTECTED SCENARIO ENCRYPTED & VALIDATED CONNECTION

VERIFIED PATH

💻

USER Trusted Endpoint

🔒 TLS

Encrypted

SECURITY CONTROLS TRUST VALIDATION

✓ Certificate ✓ DNS ✓ Identity ✓ Endpoint

🔒 TLS

Validated

▦

APPLICATION Verified Service

✓

ENCRYPTION + TRUST VALIDATION Helps protect confidentiality and integrity while validating the intended service.

DEFENSE IN DEPTH

No single control provides complete protection.

01 TLS / HTTPS Encrypt communication in transit.

02 CERTIFICATES Validate the identity of the intended service.

03 DNS SECURITY Help detect or block malicious destinations.

04 ENDPOINT SECURITY Protect the device initiating the connection.

05 IDENTITY Strengthen authentication and access control.

06 NETWORK SECURITY Segment, inspect and control network communication.

Security Note

HTTPS and TLS are important defenses against traffic interception, but encryption alone does not eliminate every attack path. Secure endpoints, certificate validation, DNS protection, identity controls and properly designed network security should work together.

OUR SECURITY ENGINEERING PROCESS

From discovery to validated security.

Linko approaches cybersecurity as an engineering lifecycle. We identify requirements, understand traffic flows and risks, design the security architecture, implement controls and validate the finished environment.

Discover

Understand business requirements, applications, users, locations, cloud platforms and existing network architecture.

REQUIREMENTS • INVENTORY • DEPENDENCIES

Assess

Review firewall policy, routing, segmentation, remote access, exposure and existing security controls.

POLICY • TRAFFIC • RISK • GAPS

Design

Develop the target architecture for network, cloud, firewall, VPN, segmentation and secure application access.

ARCHITECTURE • POLICY • DATA FLOW

Implement

Deploy and configure security controls with documented changes, migration planning and rollback considerations.

DEPLOY • MIGRATE • AUTOMATE

Validate

Test connectivity, routing, security policy, application access and expected enforcement behavior.

TEST • VERIFY • DOCUMENT

Support

Troubleshoot issues, refine controls and help maintain the security architecture as the environment changes.

MONITOR • TROUBLESHOOT • IMPROVE

SECURITY ASSESSMENT

Understand your security posture before making changes.

A Linko security assessment can help identify architecture gaps, unnecessary exposure, policy weaknesses and areas where security controls can be improved.

✓

Firewall Policy Review Review security rules, objects, NAT and policy structure.

✓

Network Segmentation Review trust boundaries, zones and traffic paths.

✓

Cloud Connectivity Review hybrid and multi-cloud connectivity and controls.

✓

VPN & Remote Access Review remote connectivity and access architecture.

✓

Zero Trust Readiness Review identity, device and application access controls.

✓

Security Architecture Review how security technologies work together.

Request Security Assessment Open Support Ticket

LINKO SECURITY ASSESSMENT

ASSESSMENT STATUS SECURITY REVIEW

01 NETWORK Architecture & Segmentation

02 FIREWALL Policy & Enforcement

03 CLOUD Connectivity & Controls

04 ACCESS Identity & Remote Access

DISCOVER

→

ANALYZE

→

RECOMMEND

OUTPUT PRIORITIZED SECURITY FINDINGS Architecture • Risk • Recommendations

FREQUENTLY ASKED QUESTIONS

Cybersecurity questions.

A few common questions about Linko Cybersecurity services and support.

What cybersecurity services does Linko provide?

Linko provides network security, cloud security, firewall and VPN engineering, segmentation, Zero Trust and SASE guidance, security assessments and technical cybersecurity support.

Can Linko help with an existing firewall environment?

Yes. Linko can assist with firewall architecture, configuration review, security policy, routing, NAT, VPN connectivity, troubleshooting and migration planning.

Do you support AWS, Azure and Google Cloud?

Linko works with hybrid and multi-cloud security architectures involving AWS, Microsoft Azure, Google Cloud and on-premises infrastructure.

Can you help with Zero Trust and secure remote access?

Yes. Linko can help evaluate identity, device posture, network segmentation, remote access and application access as part of a Zero Trust or SASE architecture.

What should I do if I have an urgent technical issue?

Open a support ticket with the details of the issue. Do not include passwords, authentication codes, private keys, API keys or other credentials.

Open Support Ticket →

Can I use Linko AI for a cybersecurity question?

Yes. Linko AI can provide general cybersecurity guidance for suspicious messages, URLs, account security, malware concerns, firewall or VPN questions and other security topics. For incidents or issues requiring hands-on assistance, contact Linko support.

Ask Linko AI →

LINKO CYBERSECURITY

Build security into the network, not around it.

Talk with Linko about your network, firewall, cloud or cybersecurity requirements.

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