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- Ultimately, hardware is the foundation for digital trust. A compromised physical component can undermine all additional layers of a system’s cybersecurity to devastating effect. Hardware security, therefore, focuses on protecting systems against the vulnerabilities at the physical layer of devices.
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Feb 27, 2014 · In this post, I will cover considerations when selecting hardware and software for network devices. After an organization has identified device roles and features, the next step to building a secure network is selecting the right hardware and software.
- Natalie Timms
Dec 7, 2023 · Learn how to create a network security policy and see how these precautionary documents improve resilience to network-based threats. Our latest post presents 14 different types of network security policies that are a must-have for any security-aware company.
Dec 19, 2019 · Ultimately, hardware is the foundation for digital trust. A compromised physical component can undermine all additional layers of a system’s cybersecurity to devastating effect. Hardware security, therefore, focuses on protecting systems against the vulnerabilities at the physical layer of devices.
- Segment and Segregate Networks and Functions
- Physical Separation of Sensitive Information
- Virtual Separation of Sensitive Information
- Limit Unnecessary Lateral Communications
- Harden Network Devices
- Secure Access to Infrastructure Devices
- Perform Out-Of-Band Management
- Validate Integrity of Hardware and Software
Security architects must consider the overall infrastructure layout, including segmentation and segregation. Proper network segmentation is an effective security mechanism to prevent an intruder from propagating exploits or laterally moving around an internal network. On a poorly segmented network, intruders are able to extend their impact to contr...
Traditional network devices, such as routers, can separate Local Area Network (LAN) segments. Organizations can place routers between networks to create boundaries, increase the number of broadcast domains, and effectively filter users' broadcast traffic. Organizations can use these boundaries to contain security breaches by restricting traffic to ...
As technologies change, new strategies are developed to improve information technology efficiencies and network security controls. Virtual separation is the logical isolation of networks on the same physical network. Virtual segmentation uses the same design principles as physical segmentation but requires no additional hardware. Existing technolog...
Allowing unfiltered peer-to-peer communications, including workstation-to-workstation, creates serious vulnerabilities and can allow a network intruder's access to spread easily to multiple systems. Once an intruder establishes an effective beachhead within the network, unfiltered lateral communications allow the intruder to create backdoors throug...
A fundamental way to enhance network infrastructure security is to safeguard networking devices with secure configurations. Government agencies, organizations, and vendors supply a wide range of guidance to administrators—including benchmarks and best practices—on how to harden network devices. Administrators should implement the following recommen...
Administrative privileges can be granted to allow users access to resources that are not widely available. Limiting administrative privileges for infrastructure devices is crucial to security because intruders can exploit administrative privileges that are improperly authorized, granted widely, or not closely audited. Adversaries can use compromise...
OoB management uses alternate communications paths to remotely manage network infrastructure devices. These dedicated communications paths can vary in configuration to include anything from virtual tunneling to physical separation. Using OoB access to manage the network infrastructure will strengthen security by limiting access and separating user ...
Products purchased through unauthorized channels are often known as counterfeit, secondary, or gray market devices. Numerous media reports have described the introduction of gray market hardware and software into the marketplace. Illegitimate hardware and software present a serious risk to users' information and the overall integrity of the network...
Jun 3, 2022 · What Is a Network Security Policy? A network security policy (Giordani, 2021) lays out the standards and protocols that network engineers and administrators must follow when it comes to: Identifying which users get specific network access ; Determining how policies are enforced
Aug 20, 2024 · At its core, the primary function of a hardware firewall is to filter incoming and outgoing network traffic based on preset security rules. This proactive filtering mechanism serves as a defense against unauthorized access attempts, malware, and other cyber threats.
Jun 15, 2022 · administrator’s role is critical to securing the network against adversarial techniques and requires dedicated people to secure the devices, applications, and information on the network. This...
