Reply to Apple has introduced a security feature in macOS Tahoe 26.4 that blocks pasting and executing potentially harmful commands in Terminal and alerts users to possible risks. on Mon, 30 Mar 2026 15:14:40 GMT

bontchev@infosec.exchange — Mon, 30 Mar 2026 15:14:40 GMT

@BleepingComputer Just an idea: when testing the protection, copy the malicious command from a web page, like in a real attack scenario - and not, say, from a text file. At least on Windows, this matters.

Here's similar protection for Windows but, unfortunately, it needs to run as Administrator:

GitHub - CertainlyP/ClipGuard: A lightweight tool designed to stop clickfix attacks by using clipboard formatting with execution surface checks

A lightweight tool designed to stop clickfix attacks by using clipboard formatting with execution surface checks - CertainlyP/ClipGuard

GitHub (github.com)