OT systems are a prime target due to their criticality and the potential impact if these systems are disrupted. As the number and capability of threat actor targeting OT increases, so too does the need for robust cyber security controls.
However, the complexity, scale, and long-standing nature of OT systems often means organisations can lack a holistic view of their environment, which undermines their ability to implement effective cyber security measures. Traditionally, OT networks were isolated (or ‘air-gapped’) from the internet and external systems. However, modern operational demands have led to increased connectivity as networks now integrate with enterprise systems, third-party vendors and cloud services. This makes designing appropriate security controls increasingly critical, to reduce the risks to previously isolated systems.
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:
- Spam and phishing in 2025
February 11, 2026
In 2025, online streaming services remained a primary theme for phishing sites within the entertainment sector, typically by offering early access to major premieres ahead of their official release dates. Alongside these, there was a notable increase in phishing pages mimicking ticket aggregation platforms for live events. Cybercriminals lured users with offers of free tickets to ...
- SolarWinds Web Help Desk Exploitation – February 2026
February 10, 2026
Multiple intrusions have been publicly reported starting on February 6, 2026 stemming from Internet-connected servers utilizing SolarWinds Web Help Desk software. This exploitation activity reportedly first occurred in December 2025. Given the number of recent CVEs affecting this product, it’s not yet clear which of several CVEs is directly responsible for these campaigns. Below are ...
- Singapore says China-backed hackers targeted its four largest phone companies
February 10, 2026
Singapore’s government has blamed a known Chinese cyber-espionage group for targeting four of its top telecommunication companies as part of a months-long attack. In a statement Monday, Singapore confirmed for the first time that the hackers, known as UNC3886, targeted the country’s telecoms infrastructure, including its largest companies: Singtel, StarHub, M1, and Simba Telecom. While the ...
- Germany prepares to attack cyber enemies
February 9, 2026
The German government is preparing an overhaul of its intelligence and cybersecurity powers to fight back against foreign hackers and spies with offensive cyber operations of its own. Officials are drafting two pieces of legislation, one revising the powers of Germany’s foreign intelligence services to allow them to conduct cyber operations abroad, and another giving security ...
- UK: Welsh firms ill-prepared to meet the challenges of cyber security threats
February 9, 2026
Many businesses in Wales lack the readiness to meet cyber security threats while also underestimating their potential costs, shows new research. Undertaken by Bridgend-based managed services provider CSG, the research focused on firms across construction, manufacturing, professional services, retail, public services and tourism. It reveals that two-thirds of (66%) have already experienced a cyber security incident. Typically, ...
- Novel Technique to Detect Cloud Threat Actor Operations
February 6, 2026
Cloud-based alerting systems often struggle to distinguish between normal cloud activity and targeted malicious operations by known threat actors. The difficulty doesn’t lie in an inability to identify complex alerting operations across thousands of cloud resources or in a failure to follow identity resources, the problem lies in the accurate detection of known persistent threat actor ...