Secure Application Access Beats VPNs for FinTech Deployment
Secure application access means giving a specific application a controlled path to the exact resource it needs — nothing more — instead of putting it on the same network as everything else. For FinTech providers connecting to financial institutions, that distinction is the difference between a deployment that takes a day and one that takes weeks.
Legacy WAN technology — MPLS and IPSec VPN — connects users to entire networks. That model doesn’t fit hybrid cloud environments where a single FinTech application needs a narrow, auditable path into one FI’s core system, not broad network access. The market for application-centric infrastructure is growing at roughly 16% annually, largely because more of that connectivity now needs to happen between a cloud application and one specific resource — not between two entire networks.
Why Network-Level Access Doesn’t Fit FinTech Connectivity
A traditional VPN connects two networks. Once that tunnel is up, anything on one side can potentially reach anything on the other, and locking that down requires ongoing firewall rule management on both ends.
That’s a mismatch for FinTech-to-FI connectivity. A FinTech application typically needs access to one system — a specific core banking API, a specific data path — not the FI’s entire network. Network-level access grants more than the application needs, which means more for compliance teams to audit and more surface area if something goes wrong.
What Secure Application Access Requires
Application-Specific Access Policies
Access should be scoped to what a specific application actually needs to reach — not the network segment it happens to sit on. This is the core difference between application-driven connectivity and traditional site-to-site networking.
Certificate-Based Authentication
Every connection should be tied to a verified identity, not a shared key. Certificates can be issued, rotated, and revoked per application without renegotiating firewall rules.
Centralized Visibility Across Every Deployment
As the number of FI connections grows, providers need one place to see the health and status of every connection — not a separate login for each environment.
Replacing VPN and MPLS with AI-Enabled Network as a Service
Trustgrid replaces VPN and MPLS with AI-enabled Network as a Service — connectivity that’s provisioned, monitored, and secured at the application level, without the manual overhead of traditional networking hardware. Application-based access policies, certificate-based authentication, and encrypted connections replace the broad network access a VPN grants by default.
This also solves the cloud migration problem. FinTech applications increasingly run in public cloud while the data they need still lives in FI data centers or private clouds. Trustgrid’s connectivity model is built for exactly that: an application in one environment reaching a specific resource in another, securely, without either side needing matching network architecture.
See how Trustgrid connects FinTech applications to financial institutions → trustgrid.io/fintech
FAQ
What is secure application access?
Secure application access is a connectivity model that gives a specific application a controlled, auditable path to the exact resource it needs, rather than connecting entire networks together.
How is secure application access different from a VPN?
A VPN connects two networks, granting broad access once the tunnel is established. Secure application access scopes the connection to a single application and a single resource, reducing what’s exposed and what needs to be audited.
How does Trustgrid provide secure application access for FinTech?
Trustgrid uses AI-enabled Network as a Service with application-based access policies and certificate-based authentication, connecting FinTech applications directly to the specific FI resources they need without exposing the broader network.
Chief Technology Officer
Steven Stites is the CTO and Co-Founder of Trustgrid, where he leads the vision and engineering teams behind the company’s innovative platform for secure networking and edge computing solutions. With over 20 years of expertise in network security, distributed computing, and cloud infrastructure, Steven brings deep industry experience to establishing Trustgrid as a trusted provider for secure, scalable application connectivity across FinTech, HealthTech, SaaS, and enterprise environments.
Leadership at Trustgrid
As CTO and Co-Founder, Steven drives the technical strategy, product development, and architectural direction at Trustgrid. He focuses on creating solutions that bridge modern hybrid ecosystems, empowering SaaS and cloud application providers to connect securely to on-premise resources with maximum reliability and performance. Steven’s guidance is central to Trustgrid’s integration of SD-WAN, Zero Trust Network Access (ZTNA), and edge computing into a unified platform, simplifying deployment, elevating data security, and supporting enterprise-grade operational scale .
Professional background
Before founding Trustgrid in 2017, Steven held senior technical leadership roles at Cisco, where he served as Senior Technical Leader for IoT Cloud and Cloud Web Security. At Cisco, he architected and led customer engagement for major SaaS security products, designing enterprise-scale networking and security solutions and overseeing technical vetting for large-scale technology acquisitions. Earlier in his career, Steven spent over a decade at IBM as a technical lead, driving development for network monitoring and distributed application performance products, and began as a software engineer researching sonar and signal processing at Applied Research Labs. He holds a bachelor’s degree in Electrical and Electronics Engineering from The University of Texas at Austin .
Building the Future of Connectivity
Steven’s vision at Trustgrid centers on advancing secure, cloud-like connectivity across modern digital environments, ensuring frictionless integration between public cloud, data center, and on-premise resources. His background in high-performance network design and distributed security shapes Trustgrid’s commitment to eliminating complexity in deploying, monitoring, and supporting thousands of application connections. He is also an inventor, with patents for secure network technologies and is recognized as a strategic leader with a rare blend of deep technical expertise and business insight .
About Steven Stites
Steven is a passionate technology executive and product architect based in Austin, Texas. His approach emphasizes pragmatic problem-solving, strong team leadership, and client advocacy, helping organizations leverage networking and security innovations to enable secure, scalable applications. He is highly regarded for his ability to clarify complex technical challenges, mentor teams, and deliver solutions that balance technical excellence with cost efficiency. Steven is deeply interested in machine learning, cloud security, and agile product development.
Connect with Steven
https://www.linkedin.com/in/srstites/
Or
Contact him at www.trustgrid.io