Published 14 October 2026 · Invitty editorial team

SSE or SASE: define the project before choosing a vendor

SSE brings together cloud-delivered security capabilities such as secure web access, cloud-application controls and private application access. SASE combines security with networking capabilities such as SD-WAN. A business that already has suitable branch networking may be evaluating SSE first; a network refresh may need a wider SASE design.

Netskope, Zscaler and Skyhigh all deserve evaluation against your actual requirements. This guide provides a common test brief, not a scored product benchmark. No customer deployment results or measured vendor performance are claimed here.

Start with the buying problemScroll to see all columns →
Your priorityQuestions for every shortlisted supplier
Private application accessWhich applications, protocols, identity systems and device types must work? How is access revoked?
Web and SaaS protectionWhich traffic is inspected, which cloud applications are covered, and which actions can be controlled?
Data protectionWhich data patterns, destinations and user actions matter? How are false positives reviewed?
Branch connectivityDo you need SD-WAN or only security integration with the existing network?
OperationsWho owns policy, incidents, exceptions, logs and the service after deployment?

What to discuss with each vendor

Vendor discussion mapScroll to see all columns →
VendorPortfolio starting pointWhat to validate
NetskopeNetskope One SSE; broader SASE options combine security and networkingRequired private-access, web, SaaS and DLP capabilities; scope the networking component separately.
ZscalerInternet/SaaS security and Zscaler Private Access for private applicationsRequired ZIA/ZPA subscriptions, application discovery, access policy and connector design.
Skyhigh SecuritySSE with SWG, CASB, DLP and Private Access capabilitiesWhich components and deployment modes are included in the proposed package and how policies are operated.

These descriptions identify where to begin a discussion. They do not imply equivalent packaging, feature parity or that every capability is included in one licence. Ask for an itemised entitlement list for the current offer.

A pilot worksheet for an Indian business

Choose users from the office, remote locations and a representative branch. Include your actual internet providers, business applications and operating systems. Set acceptable results before running tests, and record the same conditions for every shortlisted platform.

  • Private access: test an approved user, a blocked user, an unmanaged device if relevant, and an access-revocation event. Include non-browser applications when required.
  • Web and SaaS: verify permitted and blocked actions for business and personal accounts. Document inspection exceptions and their impact.
  • Data protection: use approved synthetic data to test a permitted transfer, a blocked transfer and a false-positive review. Never upload real sensitive customer data solely for a demonstration.
  • User experience: measure application completion, connection setup, upload/download behaviour and helpdesk issues under normal working conditions. A nearby point of presence alone is not proof of a good experience.
  • Failure handling: agree safe testing of connector or internet failure, record the expected behaviour and verify the fallback.
  • Operations: have the intended administrator explain an alert, change a test policy, review logs and export the evidence required by your process.

Build a scorecard without inventing a winner

For each requirement, record the agreed acceptance criterion, test result, evidence, unresolved gap and owner. Mark a capability “not tested” when it has only been shown in a slide. Treat mandatory requirements as pass/fail gates before comparing convenience or cost. A vendor should not win because it was tested on easier applications or a different network.

Scope privacy, inspection and log handling

Document what traffic may be inspected, any justified exceptions, who can access logs, retention, export requirements and the vendor’s applicable data-handling terms. Confirm deployment regions and service behaviour with the supplier rather than promising that all data stays in India. Involve the customer’s privacy and security owners when approving the design.

What a complete quote should include

Request users and service components, contract term, networking dependencies, connectors, logging and retention, identity integration, implementation, pilot, support and any managed operations. Identify which team will administer policy and answer incidents. Record renewal and exit arrangements, including policy documentation and access to retained evidence.

A realistic starting scenario

For a hypothetical business with remote staff, Microsoft 365 and a private ERP application, start with identity, device posture, web/SaaS activity and ERP access. If the branch network is working well, assess the security layer before assuming an SD-WAN replacement is necessary. If branches also need a network refresh, evaluate both parts with one documented set of acceptance criteria. This is a planning example, not an Invitty customer case study.

More questions to ask before ordering

Is SSE a replacement for every firewall?
No. Cloud-delivered access security and local network controls solve different requirements. Review branch, server, segmentation and traffic paths before retiring an existing firewall.
Can ZTNA replace every VPN connection?
Assess the application protocols, users, devices and non-user connections first. Some flows may need another access method or a staged transition; demonstrate required workflows in a pilot.
Which is best: Netskope, Zscaler or Skyhigh?
There is no evidence-based universal winner for every organisation. Apply the same requirements, pilot conditions and commercial scope to each proposed solution.
Should we choose a vendor by the nearest cloud location?
Location is one input. Test actual application performance, routing, resilience and support using the networks your staff use.
How do we start an SSE evaluation with Invitty?
Share users, sites, current VPN or proxy, key private applications, identity platform, data-control needs and project timing. Request an evaluation scope and identify the technical and commercial decision owners.

Request an SSE evaluation proposal →

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Product references

Check the exact edition, model, software version and commercial terms in the quotation. These references describe products, not a guarantee of performance in your environment.