What is Zero Trust and where does Jiva define it?

Zero Trust removes implicit trust from the network and enforces per-request verification of identity, device posture, workload, and data — aligned to NIST 800-207. Network Security is the canonical definition on this site; IAM, Endpoint, and Cloud Security pages extend it with domain-specific controls.

How is SASE different from a traditional firewall stack?

SASE delivers SWG, CASB, ZTNA, and FWaaS as a cloud service consumed from any location, replacing the branch-office appliance stack. It follows the user instead of the site — a fit for hybrid work and multi-cloud.

Do we still need a VPN in a Zero Trust model?

Legacy always-on user VPNs are replaced by ZTNA (per-application access with device posture and MFA). Site-to-site IPsec still has a role for data-centre interconnect and OT networks.

Which NGFW platforms does Jiva work with?

Palo Alto Networks, Fortinet FortiGate, Cisco Secure Firewall, and Check Point — with in-house engineers for design, migration, and operational support.

How is a Zero Trust rollout phased?

Typically identity and MFA first, then device posture and EDR integration, then ZTNA for prioritised applications, then microsegmentation and workload identity — sequenced against a NIST 800-207 maturity baseline.

Network Security

Secure the perimeter. Inspect every packet. Trust nothing by default.

Design, integration and support cover network security architectures across data centre, campus, branch, and cloud — including next-generation firewalls, IDS/IPS, segmentation, secure remote access, SASE, ZTNA, and DDoS protection.

"Segment every workload. Verify every session."

Firewall Platforms

Multi-vendor

Palo Alto, Fortinet, Cisco, Check Point.

Network Design

Segmented

Zone, VLAN, VXLAN, and microsegmentation.

Access Model

Zero Trust

SASE, ZTNA, and per-application access.

Estate zones under one policy fabric

Data Centre
East-west inspection & microsegmentation
Campus
Wired / wireless posture, NAC & VLAN policy
Branch
SD-WAN with integrated SASE onramps
Cloud
AWS, Azure, GCP — CSPM tie-in and cloud NGFW
Remote
ZTNA per application with device posture & MFA

Capability groups

Perimeter
NGFW & IDS/IPS with TLS inspection, IPS content updates and threat-intelligence feeds.
- NGFW
- IDS/IPS
- TLS Inspect
- Threat Intel
Segmentation
Zone, VLAN, VXLAN and software-defined micro-segmentation for east-west containment.
- Micro-seg
- VLAN / VXLAN
- SDN
- OT / IoT zoning
Verified Access
SASE fabric with SWG, CASB, ZTNA and FWaaS delivered from the cloud edge.
- SASE
- ZTNA
- SWG / CASB
- FWaaS

Scope in detail

Next-Generation Firewalls (NGFW)
Application-aware perimeter and internal firewalls with deep packet inspection, TLS decryption, IPS, and threat-intelligence integration on platforms including Palo Alto Networks, Fortinet, Cisco Secure Firewall, and Check Point.
Intrusion Detection & Prevention (IDS/IPS)
Signature and behaviour-based detection engines that inspect north-south and east-west traffic to block exploits, malware command-and-control, and lateral movement.
Network Segmentation & Microsegmentation
VLAN, VXLAN, and software-defined segmentation designs that contain breaches, isolate OT and IoT, and enforce least-privilege lateral access across data centre and campus networks.
Secure Remote Access & VPN
Modern remote-access architectures — SSL VPN, IPsec, and ZTNA — with MFA, device posture checks, and per-application access that replace legacy always-on VPN concentrators.
SASE & Zero Trust Architecture
Cloud-delivered SWG, CASB, ZTNA, and FWaaS unified as SASE, plus a Zero Trust roadmap covering identity, device, workload, network, and data pillars aligned to NIST 800-207.
DDoS Protection & DNS Security
Volumetric, protocol, and application-layer DDoS mitigation with cloud scrubbing, plus protective DNS to block phishing, malware, and command-and-control domains at the resolver.

SASE / ZTNA verification flow

User
Identity verified
Device
Posture & health checked
Identity
MFA / conditional access
Policy
Per-application decision
Workload
Least-privilege session

What breaks in existing networks

Flat networks allow lateral movement
Once inside, attackers move laterally in minutes because there is no segmentation between workloads or user zones.
Legacy VPNs are the new perimeter
Always-on VPN trust exposes internal applications to any compromised laptop or unmanaged device.
Encrypted traffic hides threats
Most traffic is TLS-encrypted, so firewalls without inspection miss modern malware and data exfiltration.
Multi-cloud and branch sprawl
SaaS, IaaS, and branch offices each need their own security stack — cost and policy consistency drift over time.

Migration sequence

Layered network defence that inspects every packet, segments every workload, and treats no session as inherently trusted.

01
Assess
Network architecture review, firewall rule-base audit, and segmentation gap analysis against Zero Trust and CIS benchmarks.
02
Design
Target NGFW, SASE, and ZTNA architecture, segmentation blueprint, and phased Zero Trust roadmap tailored to the topology.
03
Implement
Deploy NGFWs, IPS, segmentation, secure remote access, and DDoS protection in prioritised waves with planned change windows.
04
Manage
Monitoring, rule-base hygiene, threat-intelligence updates, and periodic posture reviews as the network evolves.

Firewall platforms

Palo Alto Networks
Fortinet FortiGate
Cisco Secure Firewall
Check Point

In-house engineers cover design, migration and operational support across these platforms.

Deliverables and outcomes

Rule-base audit report with duplicate, shadowed and any-any rules identified
Segmentation blueprint with zone matrix and policy hand-off
SASE / ZTNA rollout plan with per-application access catalogue
Change-window playbook for firewall migrations and cut-overs
Threat-intelligence feed integration and IPS content baseline
Operational runbook for rule hygiene, review cycle and drift control

End-to-End IT Integration and Support

From assessment and solution design through implementation, remediation, ongoing support, and lifecycle optimization.

Fix What's Broken — Remediation Sprints

Already running NGFWs, IDS/IPS, segmentation or ZTNA but rulebase bloat, false-positive noise, or coverage gaps are weakening protection? We run fixed-scope remediation sprints against your existing network security estate.

Firewall rulebase audit, shadow-rule cleanup, and IPS signature tuning
Segmentation and ZTNA policy gap-closure with least-privilege enforcement
Post-incident hardening, TLS-inspection tuning, and auditor evidence pack

Request a remediation scope

Support & Maintenance — AMC-Backed

Keep your NGFW, IDS/IPS, segmentation and ZTNA controls healthy after go-live — firmware, policy hygiene and vendor-TAC escalation under a Jiva AMC with contractual SLAs.

L1/L2/L3 support for leading network security platforms and services
Quarterly rulebase hygiene, IPS tuning and segmentation policy reviews
Firmware, license renewal, vendor-TAC escalation and lifecycle refresh

Explore AMC & support contracts