NoPorts vs TrustFour T4 - Protect: side-by-side comparison (2026)
NoPorts is a commercial zero trust network access solution by Atsign. TrustFour T4 - Protect is a commercial microsegmentation solution by TrustFour. Features, integrations, deployment and the company behind each one, side by side.
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Zero-open-port remote access via cryptographic identity-first connectivity.
Enforces mTLS & NHI credential controls to reduce workload attack surface.
Side-by-side comparison
Feature
NoPorts
TrustFour T4 - Protect
Pricing model
Commercial
Commercial
Category
Zero Trust Network Access
Microsegmentation
Deployment and fit
Deployment type
Cloud
Hybrid
Company size fit
SMB, Mid-Market, Enterprise
Mid-Market, Enterprise
Company
Company
Atsign
TrustFour
Use cases and capabilities
ZTNA
Yes
No
Remote Access
Yes
No
Zero Trust Architecture
Yes
Yes
Encryption
Yes
Yes
SSH
Yes
No
Authentication
Yes
Yes
Private Networks
Yes
No
Microsegmentation
Yes
Yes
Infrastructure
Yes
No
Network Protection
Yes
No
TLS
No
Yes
Workload Security
No
Yes
Lateral Movement
No
Yes
Non-Human Identity
No
Yes
Quantum Safe
No
Yes
Authorization
No
Yes
Core features
8 features listed
8 features listed
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