Attackers continue to exploit known vulnerabilities to circumvent expensive security solutions, highlighting a gap in network security. Phishing remains the primary threat vector due to its effectiveness, and ransomware attacks have impacted hospitals and universities. A new self-replicating ransomware called WannaCry has caused global disruptions. To properly secure networks, organizations need to adopt a zero trust architecture, integrate security into all applications and devices, and automate threat detection and response across the entire network.