NBC: Microsoft ended support for the popular operating system, Windows XP.
Over the years, Microsoft has issued over 700 upgrades to Windows XP and about 60 percent of those updates were rated as "critical." Given its track record, there's a good chance more vulnerabilities will be discovered and that could cause a big headache for companies and consumers still using the outdated OS, said Sanjay Castelino, vice president of marketing at Spiceworks, a professional network for IT.
Windows XP was released to the public in 2001, and despite newer operating systems since then (Windows 7 in 2009, and Windows 8 in 2012) a lot of businesses still use it to run important operations.
Read more here.