On this week’s Cyber Security Brief, Alan Neville joins Brigid O Gorman and Dick O’Brien to discuss the recent discovery of a zero-day vulnerability in popular VPN product Pulse Secure. We also discuss some recent developments in the SolarWinds and Microsoft Exchange Server stories. Finally, we discuss a recent potential data breach at software testing company Codecov, and look at why UK authorities are warning government employees about potential approaches from foreign spies on social media.