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Threat actors exploited Windows 0-day for more than a year before Microsoft fixed it
(arstechnica.com)
This is a most excellent place for technology news and articles.
Don't bother with teh MS apologists. They are the worst.
If the operating system doesn't know the file and the type of file, it's a bad operating system.
It should be trivial to have an OS determine the file type and display a warning if the extension doesn't match.
Posix has had
file
for decades.