What is Network Security?

As the needs of today’s networks change, so has the very definition of network security.

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  • What Is Web Security?

    Web security is a broad category of security solutions that protect your users, devices, and wider network against internet-based cyberattacks—malware, phishing, and more—that can lead to breaches and data loss. It reduces the security risk to your organization when your users accidentally access malicious files and websites through some combination of firewall inspection, intrusion prevention system (IPS) scanning, sandboxing, URL filtering, and various other security and access controls.

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    8 Min read

  • What Is a Secure Web Gateway?

    A secure web gateway (SWG) is a security solution that prevents unsecured internet traffic from entering an organization’s internal network. Enterprises use SWGs to protect employees and users from accessing or being infected by malicious websites and web traffic, internet-borne viruses, malware, and other cyberthreats. It also helps ensure regulatory compliance.

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    8 Min read

  • What Is Network Security?

    Network security is the strategic combination of hardware and software designed to protect sensitive data in a computer network. Network access controls, intrusion detection, and many other types of network security functions work together to secure the environment against unauthorized access, data breaches, malware delivery, and other cyberattacks.

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    9 Min read

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  • What Is 5G Security?

    5G security is an area of wireless network security focused on fifth-generation (5G) wireless networks. 5G security technologies help protect 5G infrastructure and 5G-enabled devices against data loss, cyberattacks, hackers, malware, and other threats. Compared to previous generations, 5G makes greater use of virtualization, network slicing, and software-defined networking (SDN), making it vulnerable to new kinds of attacks.

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    8 Min read

  • What Is IEC 62443?

    IEC 62443 is a series of international standards that provide guidelines for securing industrial control systems (ICS) and operational technology (OT) networks. A key framework for Industry 4.0, it covers a range of security topics, including risk assessment, security policies, network security, access control, and incident management.

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    8 Min read

  • What Is a VPN?

    A virtual private network (VPN) is an encrypted tunnel that allows a client to establish an internet connection to a server without coming into contact with internet traffic. Through this VPN connection, a user’s IP address is hidden, offering online privacy as they access the internet or corporate resources—even on public Wi-Fi networks or mobile hotspots and on public browsers such as Chrome or Firefox.

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    15 Min read

  • What Is IoT Security?

    IoT security is all the measures and technologies in place to protect internet of things devices (connected devices like cameras, ATMs, and printers) and the networks they use. Despite their growing footprint in organizations worldwide, many IoT devices are designed with little regard for cybersecurity, and the resulting vulnerabilities can turn them into significant security risks.

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    10 Min read

  • What’s the Difference Between SD-WAN and MPLS?

    The difference between SD-WAN and MPLS is that SD-WAN is a virtualized network overlay that can combine multiple types of connections, whereas MPLS is a dedicated, hardware-based private network. Furthermore, SD-WAN creates encrypted tunnels over the internet, while MPLS doesn’t directly support encryption but is partitioned from the internet. Today, it’s widely agreed that SD-WAN is more cost-effective, flexible, and secure than MPLS.

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    9 Min read

  • What Is a Denial-of-Service (DoS) Attack?

    A denial-of-service (DoS) attack is a cyberattack in which cybercriminals disrupt the service of an internet-connected host to its intended users. This is done by sending the targeted network or server a constant flood of traffic, such as fraudulent requests, which overwhelms the system and prevents it from processing legitimate traffic.

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    14 Min read

  • What Is a Remote Access VPN?

    A remote access virtual private network (VPN) is a network security technology that allows for remote worker authentication and access to applications and data residing in the corporate data center and cloud locations through an IPsec encrypted tunnel. When apps and data were primarily in the data center, VPN connections served as a means of offering secure remote access—even for those using public Wi-Fi.

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    8 Min read

  • What Is SD-WAN?

    A software-defined wide area network (SD-WAN) is a network service that uses virtualization to connect an organization’s users to workloads across multiple transport services, such as multiprotocol label switching (MPLS) nodes, VPNs, broadband internet, LTE, and other existing network infrastructure. With automated traffic steering to optimize traffic, SD-WAN technology offers an efficient alternative to traditional WAN as organizations migrate away from on-premises data centers.

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    10 Min read

  • What Is Multiprotocol Label Switching (MPLS)?

    Multiprotocol label switching (MPLS) is a method of wide area networking (WAN) that routes traffic using labels—not network addresses—to determine the shortest possible path for packet forwarding. It labels each data packet and controls the path it follows rather than sending it from router to router through packet switching. It’s intended to minimize downtime, improve quality of service (QoS), and ensure traffic moves as quickly as possible.

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    11 Min read

Network Security?