Apple explains new macOS Terminal security alerts and malware blocking (opens in new tab)

Apple has released a support document detailing new security mechanisms in macOS Tahoe 26.4 that monitor the Terminal command-line interface. The operating system now triggers a "Possible malware, Paste blocked" warning when users attempt to paste commands copied from external sources like websites or emails. This specific alert is designed to protect infrequent Terminal users from social engineering scams that trick people into executing harmful code. <a href="