TCC on macOS isn't just an annoying prompt—it's the last line of defense between malware and your private data. Read this article to learn why.

Lately, I have been reporting many vulnerabilities in third-party applications that allowed for TCC bypass, and I have discovered that most vendors do not understand why they should care. For them, it seems like just an annoying and unnecessary prompt. Even security professionals tasked with vulnerability triage frequently struggle to understand TCC’s role in protecting macOS users’ privacy against malware.

Honestly, I don’t blame them for that because, two years ago, I also didn’t understand the purpose of those “irritating” pop-up notifications. It wasn’t until I started writing malware for macOS. I realized how much trouble an attacker faces because of TCC in actually harming a victim. I wrote this article for Application Developers in mind so that, after reading it, they do not underestimate the vulnerabilities that allow bypassing TCC. It is also intended for Vulnerability Researchers to illustrate an attack vector for further research.

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