In modern applications, data security is a top priority, especially when sensitive information may be copied or transferred to external applications. By preventing certain actions like "cut," "copy," and "paste" on text fields within iOS apps, we can safeguard text data, ensuring it remains within a trusted group of applications.
Our approach centers around the TextActionInterceptor class, which "swizzles" standard text-related methods, replacing them with secure alternatives. This class intercepts and overrides the "copy," "paste," and "cut" methods, with an option to enable or disable swizzling dynamically.
By managing text actions, we can prevent unauthorized access to sensitive information and create an internal buffer that ensures that text remains protected within the app.
By limiting access to the system clipboard, we can ensure that only authorized applications within a defined group can access this information.
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