Securing SCADA Systems from Cyber Attacks

Learn about the many ways cyber-attacks threaten SCADA systems, and what can be done to keep manufacturing and utility plants protected. In the initial days of SCADA, OEMs used proprietary communication protocols for the communication network. Over time, however, systems required parts from multiple OEMs and the communication protocol converged. This shift was instrumental for … Read more

Introduction to Functional Safety (IEC 62061) and its Implementation

Functional safety is the safety of a system and is critical for industries such as medical devices, automotive, railways, and machinery. This article will focus on functional safety for machinery and the standards that help its implementation. Functional safety is one of the methods to ensure safety in various industries. It does not deal specifically … Read more

Security Decisions in Modbus Industrial Systems

Learn about Modbus security in industrial automation, including vulnerabilities, fixes, and alternative solutions. There are many pros and cons associated with the integration of security on existing Modbus systems. The primary driver for security introduction is the addition of TCP/IP networking to utilize cloud networking, and this brings with it many potential vulnerabilities. Concern for … Read more

What is Machine Guarding?

During national safety month, let’s dive into a safety feature required by OSHA: machine guards. OSHA Machine Guarding Standards Occupational Safety and Health Administration (OSHA) is the regulatory body in the United States for ensuring labor safety and devises protective methods from a severe or life-threatening injury. Machine parts, especially moving ones, can harm the … Read more

Safety Requirements for Cobots

Cobots are poised to provide major breakthroughs in robot integration alongside the workforce. The questions around safety are certainly warranted, as this single factor is the biggest consideration when integrating them into any project. Collaborative robots, or cobots, are quickly gaining traction in the workforce. The strength of these machines lies in projects where ultra-precise … Read more

Building Cyber Resilience In Industrial Control Systems

Industrial control system cybersecurity can be a matter of vital corporate and national interest. What are the operational risks, and how are they assessed? The problem domain of cyber resilience is so complex and dynamic that it is difficult to imagine where to begin. What practical steps ensure fiduciary responsibilities to both stakeholders and the broader … Read more

What Are Plenum-Rated Cables? Safety, Function, and Usage

In this article, we will look at plenum cables, what they are made of, and when it can be appropriate to use them. When installing cables, it is essential to choose the right type for your specific application. Plenum cables are used specifically in the plenum space of a building. The plenum space is an area that … Read more

The TLS (Transport Layer Security) Protocol in Secure Modbus/TCP

What is TLS and what is its role in the Modbus-TCP version of the Modbus protocol? Security comes with added protocol complexity. Many industrial control systems rely upon encapsulating Modbus Application Protocol (MBAP) Protocol Data Unit (PDU) messages carried on a TCP/IP network within a “TLS” layer to secure communications. The combined solution is called ‘Modbus/TCP … Read more