LinkGuard

LinkGuard

Blue Ridge Networks
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About

LinkGuard from Blue Ridge Networks is a cybersecurity and network-segmentation solution designed to secure critical IT and OT (operational technology) assets by placing them inside a “stealth” overlay that isolates, conceals, encrypts, and authenticates access to sensitive systems. LinkGuard uses a zero-trust, high-assurance cryptographic overlay (called CyberCloak) that creates separate secure Layer-2 network enclaves, segregating protected systems from the general network and each other, thereby dramatically reducing the attack surface without requiring changes to existing network infrastructure. Because LinkGuard operates as an overlay rather than replacing underlying networking or requiring reconfiguration of IP addressing, it can rapidly deploy using pre-configured cryptographic devices (like BorderGuard) and/or client-side agents, enabling secure remote access across distributed sites.

About

MetaDefender OT Access enables secure, just-in-time remote access to Operational Technology (OT) and Cyber-Physical Systems (CPS), allowing both internal employees and external vendors to connect safely over mutually authenticated, outbound-only TLS tunnels without exposing OT networks to inbound traffic risks. It supports various industrial and IT protocols (e.g., Ethernet/IP, MODBUS, OPC UA, S7Comm, Telnet, SSH, RDP, HTTPS), enabling compatibility across a wide range of legacy and modern OT infrastructure. Depending on deployment mode, the solution can be cloud-managed (with remote configuration via AWS-hosted services) or on-premises (with a local Management Console), making it suitable for both internet-connected and air-gapped environments. It leverages components such as an Admin UI, Windows client (or service-level client), and a Management Console (in on-site deployments) to manage connections and enforce security policies.

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

Organizations managing critical IT and/or OT infrastructure seeking a solution to optimize their network segmentation, secure remote access, and cryptographic protection for sensitive assets and operations

Audience

Industrial operators and organizations searching for a tool to ensure safe vendor access, secure file transfers, and full auditing for compliance and operational security

Support

Phone Support Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Supported
24/7 Live Support Supported
Online Supported

API

Offers API Not Supported

API

Offers API Not Supported

Screenshots and Videos

Screenshots and Videos

Pricing

No information available.
Free Version Not Supported
Free Trial Not Supported

Pricing

No information available.
Free Version Not Supported
Free Trial Not Supported

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation Supported
Webinars Supported
Live Online Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Supported
In Person Supported

Company Information

Blue Ridge Networks
Founded: 1997
United States
blueridgenetworks.com/linkguard/

Company Information

OPSWAT
Founded: 2002
United States
www.opswat.com/products/metadefender/ot-access

Alternatives

BlastShield

BlastShield

BlastWave

Alternatives

TorGuard

TorGuard

TorGuard VPN
Enclave

Enclave

SideChannel
AQtive Guard

AQtive Guard

SandboxAQ

Categories

Categories

Integrations

Amazon Web Services (AWS) Not Supported
Splunk Cloud Platform Not Supported

Integrations

Amazon Web Services (AWS) Supported
Splunk Cloud Platform Supported
Claim LinkGuard and update features and information
Claim LinkGuard and update features and information
Claim MetaDefender OT Access and update features and information
Claim MetaDefender OT Access and update features and information