[Sophos]Hacker pwns 150,000 printers to issue a security warning

[igor51]

Hacker pwns 150,000 printers to issue a security warning

Why did thousands of printers suddenly spew out warning messages over the weekend - and how can you make sure that your printer isn't exposed to the outside world?
Source: Hacker pwns 150,000 printers to issue a security warning