CISO Corner: NSA Guidelines; a Utility SBOM Case Study; Lava Lamps

This issue of Dark Reading’s CISO Corner curates articles on NSA zero-trust network segmentation guidance, real-world entropy sources for cryptographic randomness, Southern Company’s OT SBOM pilot, CISA/OpenSSF recommendations to secure open source packages, DMARC adoption leadership in the Middle East amid Google/Yahoo sender requirements, the need for CISO–CFO collaboration on cyber insurance and risk quantification, and tips for building and managing diverse security teams.