: Ensure you were expecting a file from the person or service that provided the link.
: Services like WeTransfer or Firefox Send often use randomized strings for security when sharing private files.
: Automated export tools (e.g., Google Takeout or Shopify backups) sometimes name files with complex alphanumeric IDs.
: ZIP files can hide executable scripts (.exe, .js, .vbs) that run immediately upon extraction. Only open files you recognize.