Malicious meeting invite fix targets Mac users

**Executive summary:** Cybercriminals are using Telegram DMs and fake calendar meeting links (often leveraging Calendly) to trick Mac users interested in cryptocurrency into running AppleScript (.scpt) files or applets that request administrator authentication and download a macOS Trojan; indicators include the .scpt extension, domains masquerading as meeting support, impersonation of crypto investors, and a bogus "regional access restriction" ruse.