relion 670/650

About this tag
The relion 670/650 tag on WindowsForum.com covers discussions about Hitachi Energy's Relion 670 and 650 series protection relays, particularly in the context of industrial control system (ICS) security. Content includes CISA advisories detailing high-risk vulnerabilities in these devices, with CVSS scores and mitigation guidance. Topics focus on operational technology (OT) security, patch management, and defending energy-sector equipment from cyber threats. The tag is relevant for professionals managing power system protection relays in critical infrastructure environments.
  1. CISA ICS Advisories Sept 2, 2025: 4 High-Risk OT Vulnerabilities & Mitigations

    CISA’s September 2, 2025 bulletin that released four new Industrial Control Systems (ICS) advisories is a stark reminder that operational technology (OT) and energy-sector devices remain high-value targets—and that defenders must move faster than vendors and attackers to close windows of...