Question 1

What is the difference between Arqit NetworkSecure vs ISG Federal?

Accepted Answer

**Arqit NetworkSecure**: Quantum-safe VPN hardening via on-demand encrypted key orchestration. built by Arqit. Core capabilities include Quantum-safe encryption key generation and orchestration for IPsec VPN tunnels, Protection against Store Now, Decrypt Later (SNDL) quantum attacks, Multi-layer OSI support: TLS, Layer 3 IPsec, Layer 2 MACsec, and Layer 1 OTNsec..

**ISG Federal**: Post-quantum crypto discovery, agility & mgmt for US gov agencies. built by Merlin Cyber. Core capabilities include Automated cryptographic asset discovery across the enterprise, Cryptographic library identification without deep domain expertise, Visualization of cryptographic dependencies and vulnerabilities..

Both serve the Quantum Security market but differ in approach, feature depth, and target audience.

Question 2

What features do Arqit NetworkSecure vs ISG Federal offer?

Accepted Answer

**Arqit NetworkSecure** differentiates with Quantum-safe encryption key generation and orchestration for IPsec VPN tunnels, Protection against Store Now, Decrypt Later (SNDL) quantum attacks, Multi-layer OSI support: TLS, Layer 3 IPsec, Layer 2 MACsec, and Layer 1 OTNsec. **ISG Federal** differentiates with Automated cryptographic asset discovery across the enterprise, Cryptographic library identification without deep domain expertise, Visualization of cryptographic dependencies and vulnerabilities.

Question 3

Who makes Arqit NetworkSecure vs ISG Federal?

Accepted Answer

**Arqit NetworkSecure** is developed by Arqit. **ISG Federal** is developed by Merlin Cyber. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

Question 4

How do Arqit NetworkSecure vs ISG Federal compare on integrations?

Accepted Answer

**Arqit NetworkSecure** integrates with Fortinet FortiGate, Juniper SRX, Cisco SKIP, strongSwan, ETSI 014 key interface. **ISG Federal** integrates with Venafi, HashiCorp, Tanium, DreamLab, Microsoft and 5 more. Check integration compatibility with your existing security stack before deciding.

Question 5

Is Arqit NetworkSecure a good alternative to ISG Federal?

Accepted Answer

Arqit NetworkSecure and ISG Federal serve similar Quantum Security use cases: both are Quantum Security tools, both cover Quantum Safe. Review the feature comparison above to determine which fits your requirements.

Arqit NetworkSecure vs ISG Federal: Side-by-Side Comparison (2026)

Arqit NetworkSecure

ISG Federal

Side-by-Side Comparison

NIST CSF 2.0 Mapping

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Arqit NetworkSecure vs ISG Federal FAQ

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