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Micro-Segmentation · Identity-Based Firewall

One breached endpoint
shouldn't become an enterprise breach.

Attackers rarely land where they want to end up - they land somewhere, then move. On a flat network, one compromised device sees hundreds of others and spreads freely. truePass Grid isolates every endpoint into its own zone with an Identity-Based Firewall (IDFW), so a foothold stays a foothold - with nowhere to go.

Why it works.

Every endpoint in its own zone
Identity-Based Firewall · Not IP-based
Full IDP integration · Device Posture Check
01 Why flat networks fail

Three reasons one breach becomes many.

The perimeter will be breached - the only question is what an attacker can reach once they're inside.

/ 01

Flat networks give attackers room to move

Inside a traditional VLAN, one compromised device has line-of-sight to hundreds of others. Attackers pivot from a low-value entry point to domain controllers, databases, and backups - because nothing stops east-west traffic between machines that should never talk.

/ 02

IP-based rules can't keep up

Legacy segmentation ties policy to IP addresses and subnets. But identities move, devices roam, and workloads shift - so rules drift out of date, exceptions pile up, and the segmentation you designed on paper no longer matches reality.

/ 03

Traditional segmentation is a re-architecture project

Re-subnetting, VLAN sprawl, and firewall rule bloat make classic micro-segmentation a months-long infrastructure project that most teams never finish. The result is partial coverage - and the gaps are exactly where attackers move.

A perimeter firewall is not Zero Trust. It guards the edge but trusts everything inside. Zero Trust assumes breach: every endpoint is isolated, every east-west connection is verified against identity, and nothing is trusted just because it's already on the network.

02 The TerraZone approach

Every endpoint isolated.
Identity, not IP.

truePass Grid puts every endpoint in its own zone and governs east-west traffic with an Identity-Based Firewall (IDFW). Policy follows the user and device - who they are, what device they're on, whether posture checks pass - not a brittle IP address or subnet. Two machines can only communicate if identity and policy explicitly allow it; everything else is denied by default.

Because segmentation is software-defined and identity-driven, there's no re-subnetting and no VLAN sprawl. Grid integrates with your existing IDP for full identity context, applies Device Posture Checks continuously, and deploys over your current network - turning a months-long re-architecture into a policy rollout that contains lateral movement from day one.

Want the full architectural breakdown?
Identity-Based Firewall · Per-endpoint zones · Device Posture Check · Full IDP integration
See Grid page
03 The flow

From identity check to audited session.

01

Map identities & devices

Grid integrates with your IDP and Active Directory to build an identity-aware picture of every user, device, and workload - no manual IP inventory required.

02

Isolate every endpoint

Each endpoint is placed in its own zone. East-west traffic is denied by default - machines can only reach what policy explicitly allows.

03

Enforce identity-based policy

The IDFW evaluates every connection against identity, device posture, and context in real time - so access reflects who and what is connecting, not just an IP.

04

Contain & audit

A compromised endpoint is boxed into its zone with no lateral path. Every allowed and blocked connection is logged and exported to Syslog, SIEM, and SOC.

05 Where this applies

Real networks. Real containment.

These are the environments where teams use truePass Grid to contain a breach before it spreads.

When ransomware lands on one workstation, per-endpoint isolation stops it from enumerating and encrypting the rest of the network. The blast radius is one machine - not the whole environment - buying your SOC time to respond.

Keep OT and IT strictly separated without brittle VLANs. Grid enforces which identities and devices may cross between production, corporate, and control networks - so a compromised IT laptop can never reach a PLC or SCADA console.

Domain controllers, databases, and backup servers are an attacker's real target. Grid ring-fences them so only explicitly authorized identities and devices can connect - shrinking the attack surface around your crown jewels to almost nothing.

A stolen credential or malicious insider is only as dangerous as what it can reach. Identity-based policy limits every account to the specific systems it needs - so an over-privileged or compromised identity can't quietly roam the network.

06 The outcomes

What changes when you make the shift.

Breach contained to one host

A foothold stays a foothold - no lateral path out.

Identity-based, not IP-based

Policy follows the user and device, never a stale subnet.

No re-architecture

Software-defined. No re-subnetting, no VLAN sprawl.

Full IDP integration

Identity context from your existing directory and IDP.

Device Posture Check

Continuous posture evaluation on every connection.

Full east-west visibility

Every internal connection logged - allowed or blocked.

Assume breach.

Stop it from spreading.

A 30-minute consultation with our security architects. We'll map your current east-west exposure, identify where Grid contains lateral movement without re-architecting your network, and propose a tailored Proof of Concept.

Current segmentation & lateral-path review
Tailored Proof of Concept
Blast radius contained to one endpoint
Talk to an architect

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