What is Network Security? — Free eBook

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Network security is the practice of protecting the data, devices, and systems on a network infrastructure from threats. Network security incorporates various tools, processes, and policies and encompasses the entirety of a network, from the core to the perimeter.

A comprehensive approach to network security includes strong access controls, as well as the ability to identify, isolate, and remove threats; verify user identities; encrypt sensitive data in transit; and apply security to the content of network traffic. Network security technology aims to ensure network performance and connectivity aren’t compromised.

Network security can tackle a wide range of problems. These include the following:

• Lack of visibility into network activity
• Shadow IT
• Inside threats
• Misconfigurations
• Control of privileged access
• Tool interoperability
• Phishing and ransomware attacks
• IoT-related vulnerabilities
• Software vulnerabilities
• Regulatory compliance

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What is Network Security? — Free eBook
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