Notes from the underground: data breach extortion and a criminal market shuts down. International cooperation against ransomware. Cyber risk and higher education.

Data breach extortion seems to be an emerging criminal trend. Notes on a darknet market’s retirement. Verizon advises Visible users to look to their credentials. Windows users’ attention is drawn to seven potentially serious vulnerabilities (all patchable). The Necro botnet is installing Monero cryptojackers. Organizing an international response to ransomware. Carole Theriault shares thoughts on social engineering. Dinah Davis from Arctic Wolf on the supply chain attack framework. And a quick look at the state of cyber risk in higher education. For links to all of today's stories check out our CyberWire daily news briefing: https://www.thecyberwire.com/newsletters/daily-briefing/10/198 Learn more about your ad choices. Visit megaphone.fm/adchoices