ot-security
Safeguard articles tagged "ot-security" — guides, analysis, and best practices for software supply chain and application security.
14 articles
Iran-Linked Actors Are Disrupting U.S. Water and Energy PLCs: Inside CISA/FBI Advisory AA26-097A (2026)
A joint FBI, CISA, NSA, EPA, DOE and Cyber Command advisory (AA26-097A, April 2026) warns that Iranian-affiliated actors are now causing operational disruption to internet-exposed PLCs across U.S. water, energy, and government facilities. Through May 2026 it is the defining OT threat. We unpack the campaign and the defense.
ISA-TR62443-2-2-2025: Security Protection Schemes for IACS
The ISA released TR62443-2-2-2025 in December 2025, giving industrial operators actionable guidance for designing and validating a Security Protection Scheme. Here is what changed in OT defender practice.
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