The Catholic Archdiocese of Seoul, South Korea’s central archdiocese overseeing 360 churches, needed stable, budget-friendly network security to protect sensitive member and donation data while building out its IT systems and enabling flexible cloud and on-prem management from headquarters. After a proof of concept, it adopted SonicWall NSa 5700 with APSS at headquarters (including Capture ATP sandboxing), deployed TZ Series firewalls across all 360 locations with zero-touch deployment, connected sites using SD-WAN with multiple WAN lines, and implemented NSM reporting and analytics plus a CMS for 100 concurrent users. Post-deployment, the archdiocese improved security effectiveness across remote access points, received reliable local support, and reduced its security budget while maintain

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