Topic

OT (Page 5)

All articles on OT.

Vulnerability management dashboard for OT systems with contextualized scoring

Cybersecurity

Vulnerability Management in OT: Why Traditional Patching Does Not Work

In OT environments, traditional patch management is often impossible. Legacy systems, certifications to maintain, very rare maintenance windows: how to build a VM program that actually works.

4 min read

Railway network architecture with SCADA and signalling systems

Cybersecurity

Railway Cybersecurity: Specific Challenges and a Regulatory Approach

Railway networks are becoming more connected and more exposed. An analysis of systems at risk, the regulatory framework and defence strategies for an often overlooked critical infrastructure.

3 min read

Pharmaceutical production line with OT control systems and GMP validation

Compliance

Cybersecurity in Pharmaceutical Manufacturing: OT, GMP and Converging FDA Regulations

Pharma faces strict quality regulations that now overlap with OT cybersecurity needs. How to integrate GMP, FDA 21 CFR Part 11 and IEC 62443 into one coherent program.

3 min read

Industrial network map with indicators of compromise and lateral movement from IT to OT

Cybersecurity

Sandworm and Manufacturing: State APTs Do Not Target Only Large Infrastructure

Sandworm is known for shutting off the lights in Ukraine and launching NotPetya. But its techniques are being replicated against European manufacturing, often as collateral damage. How an APT attack on an industrial OT network works and why SMEs are within range too.

5 min read

SCADA historian server in an industrial server room with connections between the corporate IT network and the OT process network

Cybersecurity

The SCADA Historian as a Lateral Attack Vector from IT to OT

Industrial process historians collect data from PLCs and expose it to business systems. This makes them a natural bridge between IT and OT, and a prime vector for lateral movement.

6 min read

Secure remote access in OT environments: attack vectors and defensive controls

Cybersecurity

Secure remote access in OT environments: the most underestimated attack vector

Remote access to OT environments exploded after the pandemic, but security practices never caught up. Here is why it became the attackers' favorite entry vector.

4 min read

Industrial OT network with unauthorized devices connected to switches and PLCs in a manufacturing plant

Cybersecurity

Shadow Devices in OT Networks: The Assets Nobody Knows They Have

Maintenance laptops left connected, 4G modems installed by vendors, uncatalogued switches: shadow devices in OT networks are more common than you think and represent concrete blind spots for security.

5 min read

Supply chain attack diagram against industrial OT environments

Cybersecurity

Supply Chain Attacks in OT: The Vector That Bypasses the Physical Perimeter

Supply chain attacks are among the hardest to detect and prevent. In industrial OT, the supplier chain is often long, poorly monitored, and holds privileged access to control systems.

3 min read

Technical diagram of hardware TAP and SPAN port on an industrial switch in an OT Purdue network

Cybersecurity

TAP vs SPAN Port in OT Environments: How to Choose Where to Place Sensors

Passive OT traffic monitoring depends on where and how traffic is captured. Hardware TAPs and SPAN ports have very different characteristics in industrial environments: a wrong choice means incomplete data or operational risks.

6 min read

Industrial plant control room with safety systems highlighted and anomaly indicators on Safety Instrumented Systems

Cybersecurity

Triton/TRISIS: When Attackers Target Industrial Safety Systems

Triton/TRISIS is the first documented malware designed to disable Safety Instrumented Systems — the systems that prevent physical industrial accidents. Its impact goes beyond the targeted plant: it changes the perimeter of what must be monitored.

5 min read

Water treatment plant with SCADA systems and field IoT sensors

Cybersecurity

Cybersecurity in Water Networks: The Water/Wastewater Sector as a Forgotten Critical Infrastructure

Water and wastewater treatment plants are critical infrastructures with often obsolete OT systems and exposed remote connections. A sector that industrial cybersecurity still struggles to reach.

3 min read

Zero Trust architectural diagram applied to an industrial OT network

Cybersecurity

Zero Trust in OT: Applicable Principles and Real Limits in Industrial Environments

Zero Trust is the security framework of the moment, but applying it to OT environments requires pragmatism: here is what actually works and where the model shows its limits.

4 min read