ZDTA case studies
ZDTA · Put your knowledge to work in context.
The Zscaler Digital Transformation Administrator (ZDTA) credential is aimed at IT and security practitioners who run day-to-day operations on the Zscaler Zero Trust Exchange. It sits at the administrator level: rather than asking you to design a zero trust roadmap from scratch, it tests whether you can configure, operate and troubleshoot the platform the way a working admin does. The ZDTA case studies are 5 cases and about 3,803 words.
1Retiring VPN for a Mixed Workload Estate: What ZPA Can and Cannot Carry
A global manufacturer with 3,200 employees across 14 sites is retiring its remote-access VPN in favour of ZPA. The operations team depends on four things: a web front end to the manufacturing execution system (MES) on TCP 443; a thick-client admin console that opens TCP 1433 to a SQL cluster; a legacy licensing service whose server opens a reverse TCP connection back to the client on a random high port; and a NOC tool that monitors servers by pinging them over ICMP.
876 words, about 4 min2A Category-Wide Inspection Bypass That Quietly Disabled DLP
A financial services firm with 12,000 users runs ZIA with SSL inspection across all categories except one bypass rule. Last quarter a business-critical certificate-pinned mobile app began failing once inspection was enabled.
696 words, about 3 min3A Wildcard Segment That Made the ZPA Access Policy Decorative
After retiring VPN, a retail bank runs ZPA for 900 contractors and 4,000 staff. A single application segment, .corp.bank.internal on ports 443, 3389 and 22, covers every internal hostname.
724 words, about 4 min4ZDX Green While the Service Desk Is Red
A software company with 250 users across London, Austin, Manila and Bangalore has ZDX deployed on its Windows and macOS laptops. The Manila service desk reports the CRM is unusable every afternoon.
743 words, about 4 min5Fail Closed, Private Addresses, and the Captive Portal
A healthcare group has 800 managed Windows laptops running Client Connector with a single forwarding profile: all traffic tunnelled to ZIA. Three problems surfaced in one week.
764 words, about 4 min