The FBI issues a Private Industry Notification (PIN) alert to warn companies about the risks of using out-of-date Windows 7 systems, poor account passwords, and desktop sharing software TeamViewer. The alert comes after the recent attacks on the Oldsmar water treatment plants network where attackers tried to raise levels of sodium hydroxide, by a factor of more than 100. The FBI urges organizations to review internal networks and mitigate the risks posed by the above factors. TeamViewer allows cyber actors to exercise remote control over computer systems and drop files onto victim computers, making it functionally similar to Remote Access Trojans (RATs)”]