Robert is a long time cybersecurity expert. He’s a regular speaker at cybersecurity conference, and blogs at https://blog.erratasec.com (technical) and https://cybersect.substack.com (less technical). He’s been a long time innovator in the community. Twenty years ago, he created the BlackICE personal firewall and first intrusion prevention system (IPS). He demonstrated the “sidejacking” technique that forced major websites to switch completely to SSL. He developed the ‘masscan’ tool that can port scan the entire IPv4 Internet in under 5 minutes from a single machine (given sufficient bandwidth). He develops many tools at https://github.com/robertdavidgraham.