Vyas Sekar is an Assistant Professor of Electrical and Computer Engineering at Carnegie Mellon University CyLab. His research is at the intersection of networking, security, and systems. Sekar's current research focuses on systems for accelerating the deployment of innovative network middleboxes, and designing content distribution mechanisms to improve user experience.
...Somebody infiltrated your system, and then they're holding you up for ransom. They've encrypted or disabled some key elements. And basically, they tell you, "Pay us some Bitcoin or cryptocurrency, and then we'll let you go." So they essentially are blackmailing you at this point, for the extortion. The second aspect of this is what we would call a cyber-physical attack, which is, they've gotten through a cyber internet- or network-connected component to cause a physical component, or a physical infrastructure, to be affected. So, this is an example of a cyber-physical attack. That's the two main things we should worry about. It's ransomware; it's cyber-physical.2 December 2021