For any code from that app to be run, you have to authenticate with your password.īonus tip: When a website tells you that your flash player is out of date by way of a pop-up like you've shown, that should be an automatic red flag! Outdated Flash Player alerts are almost never legitimate. The disk image is merely saved to your designated folder (typically Downloads) then waits for you to take further action by double-clicking on it to mount it. You may click on a link (or a button) to start the download, but disk images themselves are not 'installed' by the download process-meaning they can't run any code on your Mac until you type in your password to install them (again, because of macOS's built-in security feature Gatekeeper). The reason for this is that a website can only offer a. No, your security is not compromised unless you manually install the file. dmg file, I could have compromised my security? Is there a possibility that by simply visiting a website that auto-installs a.
Even if you double-click it (so long as you leave the security feature Gatekeeper on), you must approve both the downloaded from the web alert and the authentication prompt to actually permit the install to proceed. dmg must be double-clicked to install it before it can run any code. dmg (disk image) file is not the actual installer.
dmg file, but don't click on it to install it, am I safe?
