19/03/2026 Cyber Security Briefly News - Proactive AI Defense and Critical Vulnerability Exploitation Drive Urgent Security Mandates

1d ago · 6 min read · 📋 Top Headlines at a Glance Arcjet enables inline defense against prompt injection in production AI systems CISA Warns of Zimbra, SharePoint Flaw Exploits; Cisco Zero-Day Hit in Ransomware Attacks Aura confirms data breach exposing 900,000 marketin...