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Posts by André Jacobs - Software Engineer

Telecom Mobile App Security Across the Lifecycle

8 minute read | May 5, 2026

Telecommunications mobile apps have become a front door into the customer relationship. They handle billing, plan upgrades, account recovery, device management, support chat, purchases, personalized offers, and more.

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    About André Jacobs - Software Engineer

    6 min read | November 17, 2019

    iOS App Security: Protecting SDK Symbols & Preventing Information Leakage (Part 2 of 2)

    iOS Technical Protection iXGuard
    5 min read | November 12, 2019

    iOS App Security: An Introduction to Objective-C Metadata & Symbols in Swift & Objective-C Apps (Part 1 of 2)

    iOS Technical Protection iXGuard
    Using LLVM to Prevent Objective-C Swizzling Through Devirtualization https://www.guardsquare.com/blog/using-llvm-to-prevent-objective-c-swizzling-through-devirtualization
    iOS App Security: Protecting SDK Symbols & Preventing Information Leakage (Part 2 of 2) https://www.guardsquare.com/blog/ios-app-security-protecting-sdk-symbols-preventing-information-leakage-part-2-2
    iOS App Security: An Introduction to Objective-C Metadata & Symbols in Swift & Objective-C Apps (Part 1 of 2) https://www.guardsquare.com/blog/ios-app-security-introduction-objective-c-metadata-symbols-swift-objective-c-apps-part-1-2