Operational technology (OT) environments – which have long been centred on safety, uptime, and operational continuity – are now more interconnected than ever. Driven by the need for increased efficiency, agility, and integration, these advancements offer significant operational benefits (such as real-time analytics, predictive maintenance and remote monitoring & administration), but they also introduce risks.
Organisations deploying or operating OT systems often face challenges in prioritising cyber security due to operational constraints, such as dependence on legacy technologies that were never designed for modern connectivity or security requirements.
Read more…
Source: U.S. Federal Bureau of Investigation Cyber Division
Sign up for the Cyber Security Review Newsletter
The latest cyber security news and insights delivered right to your inbox
Related:
- The Next Evolution of MDR: Preemptive Defense and Agentic Investigation
July 28, 2026
For years, security operations followed a familiar sequence: detect suspicious activity, investigate what happened, and respond before it caused significant harm. That model developed in a threat landscape where defenders had considerably more time to establish the facts and decide what to do next. In 2019, the average data breach took 206 days to identify ...
- Experts warn hackers could shut down entire power grids by hijacking cloud accounts
July 21, 2026
Whenever an AI data center thinks really, really hard, it can increase its power consumption so much to trigger disruptions and possibly even blackouts and gear malfunctions. So, is it possible for a malicious actor to trigger this scenario deliberately, in order to cause physical harm? Multiple researchers from the Zhejiang University in Hangzhou, China, wrote ...
- Three Steps to the Terminal: A Siemens ROX II Zero-Day Trilogy
July 17, 2026
Palo Alto Unit 42 conducted this research in close partnership with Siemens, reflecting their shared commitment to advancing the security and resilience of critical infrastructure. This report details a critical, chained exploit comprising three zero-day vulnerabilities (CVE-2025-40948, CVE-2025-40947, and CVE-2025-40949) discovered in Siemens ROX II operational technology (OT) switches. Successful exploitation of this chain would allow ...
- Microsoft tops last month’s record with 622 Patch Tuesday CVEs
July 14, 2026
Remember last month when we were awed by Microsoft’s record-setting Patch Tuesday that addressed 206 CVEs? That was a quaint era compared to this month: Redmond just rolled out patches for 622 CVEs specific to its products, slightly more than tripling last month’s all-time high. Redmond’s Patch Tuesday release is once again one for the record books, with everything under ...
- Two Chrome updates in two days fix critical vulnerabilities
July 10, 2026
Updating Chrome is becoming an almost daily task lately. But it’s too important to ignore. On Wednesday, July 8, Google released another Chrome update, just one day later after the previous one. Between them, the two updates fixed 27 security vulnerabilities, including two critical flaws that could be exploited to compromise Chrome. Google says both are “use-after-free” memory vulnerabilities, which ...
- Microsoft has fixed the “RoguePlanet” zero-day in Microsoft Defender
July 9, 2026
Microsoft has quietly fixed the “RoguePlanet” zero-day in Microsoft Defender, closing the latest hole exposed by security researcher Nightmare Eclipse after months of public sparring over the company’s handling of vulnerability reports. The vulnerability, tracked as CVE-2026-50656, was addressed through an update to the Microsoft Malware Protection Engine rather than via its monthly Patch Tuesday bundle. Microsoft said ...

