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      Posts by Jan Seredynski - Security Researcher & Pentester

      Attack of the Clones: Preventing Fake Mobile App Proliferation

      6 minute read | April 29, 2025

      Somewhere in the world, you might have an evil twin that steals money, abuses the innocent, and brings shame to your name. But while most ordinary citizens don’t have to worry about this seemingly far-fetched dilemma, the “evil twin” problem is an...

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        About Jan Seredynski - Security Researcher & Pentester

        7 min read | March 21, 2023

        How to Protect the Android Accessibility Service

        Android Technical Dexguard Security research
        15 min read | November 2, 2022

        How Development Skills Translate to Reverse Engineering: Using LLDB to Reverse Engineer an Android App

        Android Technical
        6 min read | September 28, 2022

        What is TrollStore? Mitigations for iOS Applications

        iOS iXGuard Thought leadership
        19 min read | August 10, 2021

        Demystifying Typical Mobile Game Hack

        iOS Protection iXGuard Security research Gaming
        14 min read | March 15, 2021

        Cheat Prevention: How to Stop Mobile Game Memory Tampering

        iOS Technical Protection iXGuard Gaming
        6 min read | March 15, 2021

        How hackers use LLDB to cheat with non-jailbroken devices

        iOS Technical Protection iXGuard Gaming
        10 min read | February 1, 2021

        Attacking the Network Layer in Multiplayer Games

        Technical Security research Gaming
        Device Binding for Enhanced Mobile App Authentication https://www.guardsquare.com/blog/mobile-device-binding
        How to Protect the Android Accessibility Service https://www.guardsquare.com/blog/protecting-against-android-accessibility-services-threats
        How Development Skills Translate to Reverse Engineering: Using LLDB to Reverse Engineer an Android App https://www.guardsquare.com/blog/how-development-skills-translate-to-reverse-engineering
        What is TrollStore? Mitigations for iOS Applications https://www.guardsquare.com/blog/trollstore-mitigations-for-your-ios-application
        Demystifying Typical Mobile Game Hack https://www.guardsquare.com/blog/demystifying-typical-mobile-game-cheats
        Cheat Prevention: How to Stop Mobile Game Memory Tampering https://www.guardsquare.com/blog/cheating-easy-how-prevent-mobile-game-memory-tampering
        How hackers use LLDB to cheat with non-jailbroken devices https://www.guardsquare.com/blog/how-hackers-use-lldb-cheat-non-jailbroken-devices
        Attacking the Network Layer in Multiplayer Games https://www.guardsquare.com/blog/attacking-network-layer-multiplayer-games