the kolbicz blog

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Security

UCPD.sys – UserChoice Protection Driver Part 2

July 15, 2025 admin 0

In my previous blog post, I explained the functionality of the UCPD.sys driver when it was at version 2.1. Since then, Microsoft has updated the […]

UserChoiceLatest – Microsoft’s new protection for file type associations

April 20, 2025 admin 2

When I wrote the article about UCPD.sys, I had already noticed the references to the UserChoiceLatest registry key, and in earlier versions, even to UserChoicePrevious. […]

Extract, Backup and Restore Google Authenticator Keys on iOS (Migrate Accounts) – Jailbreak required

November 16, 2020 admin 0

everyone who changes mobile phones often like me, probably faced the issue that not really all settings are being migrated to a new phone. even […]

about the author

Hi - I am Christoph Kolbicz and im IT-Consultant at AXACOM AG in Switzerland. Most of my projects are about Citrix and Microsoft, but i like Security topics and sometimes i do some programming and Reverse Engineering.



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I am Microsoft Certified Solution Expert (including Exchange) and Citrix Certified Expert - Virtualization and Networking. I hold 30 Microsoft MCP and 20+ Citrix CCA certifications - to many to list them here - and i am eidg. Dipl. Inf. HF.

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Categories

  • Citrix
  • iPhone
  • Netscaler
  • Security
  • Uncategorized
  • VMware
  • Windows
  • XenApp

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