a16z charts: critical vulns jump to 600+/month as tech hiring shifts toward experience over skills

a16z · x · 2026-09-06

a16z's Charts of the Week highlights two trends: across 21 major software companies including Apple, AWS, Microsoft and Google, reported critical vulnerabilities never exceeded 100/month in four years but have jumped to over 600/month since spring. Meanwhile, Revelio Labs data shows tech job postings since January 2025 increasingly prefer years of experience over specific skills (5-10% shifts), likely AI-driven since frontier tech makes existing skills less relevant. Experience premia concentrate in data, systems and Java roles. Data center hiring continues booming.

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