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Network Access Control (NAC)
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Tech Innovation    >    Security    >  Network Access Control (NAC)

Tech Innovation

Network Access Control (NAC)

In an increasingly complex digital era, organizations face major challenges in managing access to corporate networks, especially with the increasing use of BYOD devices, IoT, and remote access.

 

Network Access Control (NAC) is a solution that enables organizations to identify, verify, and control device access to the network based on strict security policies.

Without NAC, companies face the following risks:

Unauthorized Access to Network
Unrecognized devices can infiltrate without detection.
Lack of Device Visibility
There is no real-time control over the devices connected.
IoT & BYOD Security Risks
Risk of malware attacks & exploitation of unprotected devices.
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Key Features & Capabilities
Network Access Control (NAC) offers features to ensure secure device access and data protection.
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a. Smart Visibility & Compliance
  • Device Profiling & Compliance Enforcement: Identify devices by type, OS, and security policy.
  • Dynamic Grouping & Network Segmentation: Group devices based on security rules to reduce the risk of threat spread.
  • Support for Wired, Wireless, Virtual, & IoT Devices: Provides visibility for all types of connected devices.
b. Access Control & Threat Mitigation
  • Zero Trust Access Policy: Applying the principles “Never Trust, Always Verify” before granting network access.
  • Role-Based & Contextual Access Control: Determine access rights based on identity, location, time, and device type.
  • Automated Quarantine & Remediation: Isolate devices that are not in compliance with policy or are indicated as security threats.
c. Network & Endpoint Integration
  • SIEM, Firewall, & Threat Intelligence Integration: Work with other security solutions to improve response to threats.
  • Cloud, On-Premises, & Virtual Deployments: Flexible to be applied in various IT infrastructure models.
  • Endpoint Compliance Checks: Ensure devices meet security standards before granting access.
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Business Benefits
Network Access Control (NAC) solutions provide strategic advantages for organizations in securing device access.
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a. Prevent Unauthorized Access & Insider Threats
  • Manage devices connected to the network automatically, ensuring only approved devices can access corporate resources.
  • Avoid exploitation from unknown devices with anomaly detection based on AI.
b. Improving Network Security Management Efficiency
  • Facilitates visibility of connected devices with real-time monitoring.
  • Reducing the workload of IT teams with security policy automation & threat isolation automatically.
c. Mitigating Cyber Attack Risk & Regulatory Compliance
  • Ensure compliance with regulations such as ISO 27001, NIST, GDPR, PCI DSS, and UU PDP.
  • Prevent network-based attacks such as MITM (Man-in-the-Middle), spoofing, and IoT exploitation.
d. Simplifying Access Management with Automation
  • Eliminates the need for manual intervention in managing security policies across the network.
  • Improve operational efficiency with risk-based access segmentation.
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Use Cases
Network Access Control (NAC) provides effective solutions for various security challenges across industries.
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a. Banking & Finance
    Strictly control access to transaction data & customer information.
b. Health Services
    Ensure only secure devices can access electronic medical records (EMR).
c. Government & Defense
    Apply Zero Trust Access to secure sensitive digital infrastructure.
d. Retail & E-Commerce
    Protect payment & POS systems from insider threats.
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How It Works
How Network Access Control (NAC) and Security Awareness Training Protect Against Unauthorized Access:
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a. Connected Devices Verification
    NAC verifies device type, user identity, and risk level before granting access.
b. Policy-Based Access Enforcement
    NAC determines if a device receives full, limited, or denied access based on policies.
c. Monitoring & Threat Detection
    NAC continuously monitors network activity to detect anomalies or policy violations.
d. Automated Response & Isolation
    If a threat is detected, NAC can automatically block or isolate high-risk devices.
e. Audit & Compliance Reporting
    All activities are logged for investigation and security audit purposes.
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