(In the technical department meeting room of the food factory, Engineer Zhao sits at the main position of the conference table with a laptop, projecting the workshop network topology on the screen. Engineer Zhang flips through the equipment ledger, while Assistant A holds a freshly printed PLC parameter list.) Engineer Zhao (typing on the keyboard): … Read more
Today, smart home products such as smart doorbells, home surveillance cameras, robotic vacuum cleaners, and smart speakers are becoming increasingly common in households. In March this year, the “data scandal” involving smart homes was exposed, revealing that smart home devices have become “eavesdroppers,” turning into “surveillance tools” in an instant, with cloud cameras becoming “leakage … Read more
In embedded systems and industrial equipment, the CAN bus is widely used in various scenarios as an efficient and reliable communication protocol. CAN0 and CAN1, as two independent CAN bus interface identifiers, are fundamentally distinguished by their physical channel separation and application scenarios. This article will delve into the differences between CAN0 and CAN1 from … Read more
1. Introduction In database clusters, network isolation is one of the common fault scenarios. For example, when a node cannot communicate with other nodes due to a network interruption, the cluster may trigger a master-slave switch, data synchronization interruption, or split-brain issues. By actively injecting network isolation faults, we can verify the cluster’s high availability, … Read more
Requirements for Industrial Control Level Protection 2.0 On May 13, 2019, the Cybersecurity Level Protection System 2.0 standard (Level Protection 2.0) was released, which refined, classified, and strengthened the existing standards, incorporating industrial control systems, cloud computing, mobile internet, IoT, and big data security into the management scope. Level Protection 2.0 officially came into effect … Read more
▼ Click the card below to follow me ▲ Click the card above to follow me Siemens PLC Cybersecurity Strategies: Key Measures to Protect Industrial Control Systems Hello everyone, I am XXX. Today, let’s talk about a hot topic in industrial control systems – the cybersecurity of Siemens PLCs. With the advancement of Industry 4.0, … Read more