Vanta has signed a definitive agreement to buy Pillar Security, a two-year-old startup that tests and guards AI agents while they run. Price and terms weren't disclosed. The same day, Orca Security put out its 2026 State of AI Security Report, and one number in it explains why a compliance company wants a runtime security team: of the AI vulnerabilities that already have a fix, … [Read more...] about Vanta Buys Pillar Security to Police AI Agents at Runtime as Orca Finds 99.9 Percent of Fixable AI Flaws Left Open