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Posts by André Jacobs - Software Engineer

Security by Design Across the Mobile App Lifecycle

7 minute read | September 23, 2025

From mobile banking to telemedicine, e-commerce, and even industrial IoT control, apps are no longer just an extension of business, they are the business. Yet, with this critical role comes an amplified attack surface. CISOs, security officers, and...

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    About André Jacobs - Software Engineer

    15 min read | November 17, 2019

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

    iOS Technical Protection iXGuard
    10 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