Best SD-WAN and SASE providers for financial services (2026)

1. No. 1 · Score 95.8

   Cato Networks

   Cloud-native SASE / SD-WAN provider · Typical deployment: hours

   Cato runs SSL/TLS inspection, DLP and segmentation through a single policy engine, which is the main reason it tops this list for financial services. For an institution working through PCI-DSS scoping, having one system handling all three means the cardholder data environment is defined in one place, with one set of logs, rather than pieced together from several products that each log things slightly differently.

   The segmentation side works the same way. ATMs, branch teller networks, corporate office traffic and remote wealth manager devices can be put into separate segments and that policy applies consistently across every site - there isn't a separate VRF configuration that has to be kept in line with the security policy on top.

   Evidence caveats: Financial services: Partial

   Watch out: if an institution is already running Zscaler or Netskope as its SSE layer, and that's already been through security review or sits inside a current PCI-DSS attestation, Cato's all-in-one approach doesn't really sit alongside that. Moving to Cato in that situation means re-doing the attestation against a new stack, which is a much bigger piece of work than the hours-to-deploy figure suggests on its own.

   Contact Cato Networks via Netify ↗

2. No. 2 · Score 94.6

   AT&T Business

   Global carrier managed SD-WAN / SASE provider · Typical deployment: months

   AT&T offer multi-vendor platform options, including Fortinet for AT&T SASE, which means a large retail bank with thousands of branch ATMs and a trading floor don't have to be forced into the same architecture. The portfolio can be matched to the site rather than applying one approach across the whole estate.

   There's also established peering into AWS, Azure and Google Cloud as part of AT&T's carrier-scale infrastructure, which is relevant given how much core banking workload now sits across both on-premises and cloud.

   Watch out: because the platform proposed varies by service tier, DLP and SSL/TLS inspection capability isn't consistent across an AT&T-delivered estate. For an institution with a large branch network, that means the PCI-DSS audit boundary has to be worked out site by site - confirming which platform is actually deployed where, rather than assuming it's the same everywhere based on the initial proposal.

   Contact AT&T Business via Netify ↗

3. No. 3 · Score 94.6

   BT Business / BT Global

   Global/UK managed SD-WAN / SASE provider · Typical deployment: weeks

   BT's main advantage for financial services comes from owning the access circuits. For latency-sensitive traffic like SWIFT messaging or interbank settlement feeds, dynamic path selection depends on having control over the path itself - and when BT owns both the underlay and the policy steering traffic onto it, a degrading circuit is something BT's own engineers deal with directly, rather than something that needs chasing with a separate access provider.

   For UK-regulated institutions, that ownership also helps with the operational resilience expectations under PRA and FCA rules, since there's one provider managing connectivity end to end rather than several access circuits from different suppliers each needing their own risk assessment.

   Watch out: BT doesn't run a single platform across its SD-WAN portfolio, and the VRF and micro-segmentation capability for separating ATM traffic from branch teller networks differs depending on which platform is used. An institution might evaluate BT based on one platform's segmentation model during procurement, then find a different platform proposed at contract stage - at which point the segmentation boundaries it had assessed for audit purposes may not match what's actually deployed.

   Contact BT Business / BT Global via Netify ↗

4. No. 4 · Score 94.6

   NTT DATA / NTT Ltd.

   Global managed network provider · Typical deployment: months

   NTT runs global operations centres on a 24x7 basis, with a follow-the-sun handover between regions. For trading desks operating across time zones, that means latency-sensitive paths get continuous monitoring regardless of which centre is currently covering.

   The portal visibility NTT provides is also useful for compliance teams specifically - the kind of evidence a QSA wants around how cardholder data traffic is monitored and segmented is available on an ongoing basis, rather than something that has to be pulled together specifically ahead of an assessment.

   Watch out: NTT doesn't build its own platform, and wraps its managed service around Palo Alto, Zscaler and others depending on the deployment. So the actual DLP and SSL/TLS inspection depth available depends on which platform sits underneath in a given case. NTT's overall score reflects the strength of the managed service, but the cardholder data environment boundary for PCI-DSS purposes is a separate question that depends on the platform, and needs working out before the audit scope can be finalised.

   Contact NTT DATA / NTT Ltd. via Netify ↗

5. No. 5 · Score 94.6

   Verizon Business

   Global carrier managed SD-WAN / SASE provider · Typical deployment: months

   Verizon's North American network has carried latency-sensitive financial traffic for a long time, and that experience carries over into the managed SD-WAN service. Dynamic path selection for trading feeds and core banking ledger traffic is running on infrastructure that's already proven for this kind of use, rather than something adapted afterwards.

   International delivery extends well beyond the US too, which matters for institutions with cross-border trading desks or correspondent banking relationships in other regions.

   Watch out: the underlying platform is largely Versa-based, and for an institution running part of its estate on a different SD-WAN technology, that creates two different segmentation models to maintain. The VRF structure separating ATMs, branch banking, corporate traffic and wealth manager access is built around Versa's specific implementation - so keeping a single audit-ready segmentation standard across both platforms becomes extra reconciliation work for compliance, and the overall audit scope ends up larger than it would be on one platform.

   Contact Verizon Business via Netify ↗

6. No. 6 · Score 93.5

   Colt Technology Services

   Enterprise managed SD-WAN / connectivity provider · Typical deployment: months

   Colt own the fibre network across European business districts, which is the main reason their data sovereignty positioning is strong for institutions working to European central bank data residency requirements. Because Colt controls the physical path data takes, demonstrating in-region processing to a regulator is more straightforward than where the path runs through third-party infrastructure with its own jurisdictional questions.

   That network ownership also supports more direct peering into European cloud regions, with less backhaul needed to reach an on-ramp that has to stay inside the institution's regulatory perimeter.

   Watch out: this strength is concentrated in Europe, and global delivery depth outside Europe is less developed than the largest carriers. An institution with a European core but a site elsewhere - a New York trading desk, for example - has that site sitting outside Colt's primary strength. If local regulations at that site require specific data residency or reporting arrangements, Colt's capability there needs checking separately rather than assumed to match the European standard, since a gap here can become a regulatory finding if it isn't picked up in advance.

   Contact Colt Technology Services via Netify ↗

7. No. 7 · Score 92.3

   Comcast Business / Masergy

   Managed SD-WAN / SASE provider · Typical deployment: weeks

   Comcast Business inherited Masergy's AIOps capability, which is built to spot degradation - rising latency, increasing jitter - before a connection actually fails. For a path carrying trading feeds or settlement traffic, that's the difference between rerouting before anything is affected and missing a price update because the issue wasn't caught in time.

   Fully managed or co-managed delivery is also useful for smaller financial institutions that don't have their own network operations function, giving them access to a level of monitoring that a larger bank would otherwise need to build in-house.

   Evidence caveats: Financial services: Partial

   Watch out: the AIOps capability was built around North American operations first, and international delivery outside North America runs through partnerships rather than Comcast's own infrastructure. For an institution with European or Asian trading operations, the monitoring depth evaluated against a North American deployment may not extend to those partner-delivered regions in the same way - worth confirming specifically how monitoring works at those sites rather than just whether AIOps is offered there.

   Contact Comcast Business / Masergy via Netify ↗

8. No. 8 · Score 92.3

   Orange Business

   Global managed SD-WAN / SASE provider · Typical deployment: months

   For institutions operating across multiple European and African jurisdictions, Orange's NOC depth and field operations in those markets help with a real problem - data residency and reporting requirements differ from country to country, and having local operational teams who understand those differences is more useful than a single global team applying one approach everywhere.

   The same regional presence supports cloud connectivity too, since peering into a cloud provider's regional infrastructure can stay within the same regulatory perimeter as the data it's carrying, because Orange already has a presence there.

   Evidence caveats: Financial services: Partial

   Watch out: the underlying platform depends on which Orange-supported vendor is selected for a given deployment, and DLP / SSL-TLS inspection depth isn't the same across Orange's portfolio - strong in one configuration doesn't mean strong in another. For an institution defining its cardholder data environment across multiple jurisdictions, the specific platform and its inspection capability need confirming for each one rather than assuming Orange's overall positioning holds everywhere.

   Contact Orange Business via Netify ↗

9. No. 9 · Score 92.3

   Telefónica Tech

   Global managed SD-WAN / SASE provider · Typical deployment: months

   Telefónica's flexWAN programme is built on a Cisco-based converged service, and Cisco's segmentation and QoS frameworks have supported VRF-based isolation between branch banking and corporate traffic for a long time - it's an established capability rather than something recently added. Telefónica's positioning is particularly strong across Spain, Latin America and wider Europe.

   That regional footprint also means in-country processing options for central bank data residency requirements are more readily available than from a provider without an established local presence.

   Evidence caveats: Financial services: Partial

   Watch out: a Cisco-led platform is an advantage where an institution's teams already work with Cisco's segmentation model, but if the same institution is standardising on a different vendor for cloud on-ramp connectivity elsewhere in its estate, running Cisco-based WAN segmentation alongside a different cloud peering setup can fragment the policy model across the two. That fragmentation is exactly the kind of thing that expands what a compliance team has to review during an audit.

   Contact Telefónica Tech via Netify ↗

10. No. 10 · Score 90

    Palo Alto Networks

    SD-WAN / SASE technology vendor · Typical deployment: weeks

    Palo Alto sits in the top 10 despite a lower overall score than the managed providers above it, mainly because of Prisma SASE's threat prevention and DLP depth. For PCI-DSS, cloud-native DLP and deep SSL/TLS inspection are built into the platform rather than added as extras, which means an institution's cardholder data environment can be defined in terms that map directly onto Palo Alto's own policy model.

    ADEM - digital experience management - adds something most of the others on this list don't have in the same way. It's not just that latency-sensitive traffic gets prioritised through dynamic path selection, but that there's visibility into whether that prioritisation is actually delivering the latency a trading desk needs. Confirming a policy is configured and confirming a SWIFT message is arriving within tolerance are two different things, and ADEM is built to show the second one.

    Watch out: all of this comes at a price point that's noticeably higher than firewall-led SD-WAN vendors, and the commercial model needs careful scoping across users, bandwidth, locations and term. For a large retail branch network, where the segmentation needs at each branch are fairly standard, Prisma's full depth may not be proportionate at every site in the way it would be for a trading floor or data centre. Worth modelling the economics against the actual mix of sites rather than an average across the whole estate.

    Contact Palo Alto Networks via Netify ↗

Scores are weighted across 40 capabilities with points accrued based on: yes 1.0, via partner 0.75, via managed service 0.65, partial 0.5, not confirmed 0.15, not primary 0. Extended dimensions are indicative desk research; confirm via RFP.