Protecting legacy OT systems against modern cyberthreats

This article warns that long-lived legacy OT in manufacturing has become a growing cyber risk due to IT/OT convergence, weak built-in security, and limited vendor support; it outlines the business and operational barriers to upgrades, highlights past OT-impacting attacks and ransomware trends, and recommends visibility, appropriate network architecture, agentless protections, and extended support commitments to improve resilience.