Mac/OS/App/Management/Popup/Q/What happens when a terminal pop up that triggers this dialog

• What happens when a terminal opens which causes it to trigger the Mac/OS/App/Management/Popup

  • AI/Research

    • What this popup is

      • Apple classifies this under App Management privacy controls ("<App> would like to access data from other apps").
      • It appears when one app (for example, Terminal or iTerm) attempts to read/write data that macOS treats as belonging to another app domain.
      • Apple overview: Controlling app access to files in macOS
      • Apple overview: Protecting app access to user data

    • What happens when you click buttons

      • Allow grants the requesting app permission for that protected access path/category.
      • Don't Allow denies it; the requesting action fails (or degrades) until permission is granted later.
      • Apple Developer Technical Support (DTS) guidance says this specific container-access privilege is transient (process lifetime), so prompts can recur as process instances change.
      • Source (Apple Developer Forums, DTS): macOS keeps showing "[App] would like to access data from other apps" warning even if accepting it each time

    • Why Terminal/iTerm can trigger it

      • Mental model

        • Think of macOS as enforcing "app-owned neighborhoods" for data.
        • Terminal/iTerm itself is usually not the main issue; the issue is what runs inside the shell at startup.
        • If startup logic reaches into data/sockets/containers that macOS treats as belonging to another app, macOS asks for consent.

      • Typical trigger chain

        • Terminal launches.
        • Your shell init (.zshrc, .zprofile, plugins, agent bootstrap scripts) runs automatically.
        • One of those steps tries to use another app's managed resource (for example, an SSH-agent or credential helper socket exposed via an app-group/container path).
        • macOS interprets that as cross-app data access and shows: "<App> would like to access data from other apps".

      • Why it can feel surprising

        • The popup names Terminal/iTerm because that is the requesting process.
        • But the root cause is often an integration command in startup config, not an explicit action you just took in the terminal window.

      • Why it may reappear

        • Per Apple Developer Technical Support (DTS) guidance for this area, this permission can be transient to process lifetime in some cases.
        • Practically, that means a new process instance can cause the consent check again, which feels like "I already allowed this."

      • Sources behind this model

        • WWDC reference (Apple): What’s new in privacy
        • App-group security context (Apple Platform Security): App protection and app groups in macOS
        • Apple DTS deep dive (renamed from "Fight!" to "Working Towards Harmony"): App Groups: macOS vs iOS: Working Towards Harmony
        • Local proxy page: Apple/Forum/22/12/App Groups macOS vs iOS Working Towards Harmony

    • Practical interpretation for this question

      • If this appears when terminal launches, the trigger is likely not "terminal startup itself," but a command/integration run at startup that crosses an app-data boundary.
      • If access is denied, features depending on that cross-app data path may fail (for example: auth helpers, SSH agent access, keychain-like bridges exposed by third-party apps).
      • To isolate the trigger, test with a minimal shell startup (temporarily bypass custom init files) and then re-enable integrations one-by-one.