Kazakhstan shuts down its Internet as civil unrest continues (and one consequence is a disruption of alt-coin mining in that country). The UK’s NHS warns of unknown threat actors exploiting Log4j bugs in unpatched VMware Horizon servers. In the US, CISA continues to assist Federal agencies with Log4j remediation, and observers call for more Government support of open-source software security. A major provider of school websites is hit with ransomware. Our guest is John Belizaire of Soluna Computing with a new approach to data center efficiency. Thomas Etheridge from CrowdStrike on supply chain risks. And the US extends the deadline to apply for grants in support of rip-and-replace. For links to all of today's stories check out our CyberWire daily news briefing: https://thecyberwire.com/newsletters/daily-briefing/11/5 Learn more about your ad choices. Visit megaphone.fm/adchoices