Latest cybersecurity reporting from selected sources.

CISA: Iran-Linked Groups Actively Exploiting OT Exposure Risks, PLC ProgrammersFederal agencies are warning that Iranian-linked actors have begun actively exploiting internet-facing PLCs and misconfigured OT systems across U.S. critical infrastructure, enabling network access, lateral movement and potential disruption amid rising geopolitical tensions.

Joint US, UK and Five Eyes Guidance Flags OT Exposure as National RiskU.S. and allied cyber agencies issued new guidance warning that insecure operational technology connectivity - driven by remote access, third-party vendors and IT integration - remains a major threat vector, enabling cyber intrusions to escalate into physical disruptions.

Microsoft has emphasized the need for securing internet-exposed operational technology (OT) devices following a spate of cyber attacks targeting such environments since late 2023

Cyberattack on Aliquippa Water Plant Highlights Vulnerabilities in OT SystemsThe onset of war between Israel and Hamas led to a spike in cyberattacks against operational technology, says Microsoft in a warning to critical infrastructure operators about the dangers of internet-exposed operational technology.

Cyber Authorities Warn Pro-Russian Hacktivists Targeting Small-Scale OT SystemsU.S. and international cyber authorities issued a warning Wednesday that pro-Russian hacktivists are increasingly targeting small-scale operational technology systems throughout North America and Europe that have been left vulnerable to attacks due to internet-exposed industrial control systems.