This Week in Cybersecurity

Week of July 21st, 2025 - Zero-Days, Geopolitics & The Crumbling Trust Layer

This week exposed the fragility of our cybersecurity assumptions — from trust in software vendors, to the sanctity of government agencies, to the growing unreliability of open-source ecosystems. The SharePoint ToolShell zero-days hitting NNSA is the final wake-up call. Our adversaries aren’t just probing defenses; they’re walking through open doors we f…