What you need to know For most of 2021, SolarWinds has been at the center of a massive cyber attack and the media coverage surrounding it. Microsoft has discovered a new SolarWinds vulnerability, further extending the aforementioned troubles. SolarWinds is urging customers to take its patch before it's too late. SolarWinds cannot catch a break. From the start of 2021 onward, it's been at the core of news coverage regarding an attack Microsoft's president Brad Smith has referred to as "[...] The largest and most sophisticated attack the world has ever seen." And now, it's back in the news because Microsoft has discovered a serious security vulnerability with its Serv-U Managed File Transfer Server and Serv-U Secured FTP Server (via BleepingComputer).