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Stefan Keller
Stefan Keller is CTO, SASE at Open Systems, the preeminent cybersecurity and networking provider for the enterprise cloud. Open Systems is a secure access service edge (SASE) pioneer supporting enterprises in their digital transformation journey. Its cloud-delivered Secure SD-WAN and Managed Detection and Response (MDR) services unify security and comprehensive networking capabilities, enabling organizations to connect their clouds, branches, applications and users anywhere in the world, in a secure and agile way. Open Systems’ service delivery platform combines AIOps and automation with 24×7 experts to deliver immediate peace of mind and future-proof business-critical infrastructure. 

Is Your ZTNA Vendor Really Zero-Trust?

Is Your ZTNA Vendor Really Zero-Trust?

| | Cloud Security, Network Security, zero-trust adoption, ZTNA
A recent article defined ZTNA (zero-trust network access) and delivered recommendations on how to get the best results from ZTNA. The piece also touched on the importance of selecting a zero-trust vendor that is truly zero-trust. But that was just the tip of the iceberg. There are important considerations when ... Read More
Security Boulevard
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How to Get the Best Results From ZTNA

| | Open Systems, SASE, secure access service edge, zero-trust adoption, ZTNA
The pandemic greatly expanded the work-from-home population. Due to the pandemic, 86% of IT leaders say that at least a quarter of their staff members are connecting to corporate networks through personal and shared devices. But even before the pandemic, mass cloud adoption and mobile users meant that applications could ... Read More
Security Boulevard