Cybersecurity in industrial automation: protecting HMIs from cyber attacks

HMIs: A Critical Point of Industrial Security

HMIs are essential tools in modern industrial infrastructures. Through these interfaces, operators monitor, manage and control manufacturing processes. However, increasing connectivity and integration with computer systems has made HMIs prime targets for cyber attacks.

Cyberattacks can have devastating consequences, such as stealing data, disrupting production, damaging facilities or even compromising workplace security. Therefore, it is critical to take robust measures to protect these devices and ensure the security of the entire system.

Cyber Threats in Industrial Environments.

Cyber threats in industrial environments are constantly evolving. Among the main ones are:

• Malware and ransomware: Malicious software capable of locking or compromising systems.
• Phishing and social deception: Manipulation techniques aimed at obtaining login credentials.
• Vulnerabilities in code: Weaknesses in software that can be exploited by attackers.
• Unauthorized access: Unsecured or unmonitored connections that allow intrusion.

Countering these threats requires a holistic approach to security, involving hardware, software, and operating procedures.

Advanced Solutions for HMI Protection.

Mect, a leading Italian manufacturer of industrial automation devices, designs and manufactures industrial panel PCs with Linux operating system, designed to meet the needs for reliability, scalability and control required in modern automation applications. By combining high-performance fanless hardware and open-source Linux systems, Mect terminals are the ideal platform for HMI, SCADA, supervision and advanced interfaces.

Each device can be configured on demand with optimized kernels, industrial libraries, real-time protocols and diagnostic tools, making Mect Panel PCs ideal for both OEM embedded installations and complex industrial plants.

Security, Remote Access and Diagnostics

To ensure the safety of HMIs and industrial plants, Mect integrates a number of advanced tools and technologies into its solutions:

• Iptables and OpenVPN: provide secure VPN connections for remote access to facilities, protecting data in transit.
• Cockpit: an intuitive web-based dashboard for system management, enabling easy monitoring and configuration of security settings.
• Watchdog, Monit and Systemd timers: supervisory tools that monitor system operation and trigger automatic restarts in case of anomalies.
• Portainer: a visual platform for managing Docker containers on ARM, simplifying the management of containerized environments.

These solutions not only reduce the risk of cyber attacks, but also simplify the management and maintenance of facilities, ensuring greater operational efficiency.

Security As A Priority: A Proactive Approach

Cybersecurity is no longer an optional extra, but a top priority for companies operating in the industrial sector. Mect shares this vision and offers solutions designed to prevent threats, protect data, and ensure business continuity.

Taking a proactive approach to security means not only protecting HMIs, but also investing in the future of industrial automation. With Mect, companies can rely on advanced, reliable and secure technologies ready to meet the challenges of the future.

In a world where connectivity and artificial intelligence are revolutionizing the industry, cybersecurity is a key pillar for success.

Mect, with its experience and passion for innovation, is the ideal partner for those who want to meet the challenges of industrial security with advanced and reliable solutions. Together, we can build a more secure and connected future for industrial automation.