network security

Fundamentals of Cybersecurity

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Fundamentals of Cybersecurity

1. Overview of Cybersecurity 1.1 Definition Information Security: The technical and managerial security measures established and adopted for data processing systems, protecting computer hardware, software, and data from accidental and malicious destruction, alteration, and disclosure. Cybersecurity: Prevent unauthorized users from accessing information Prevent unauthorized attempts to destroy or modify information 1.2 Characteristics of Information Security … Read more

What Is WLAN? Differences Between WLAN and Wi-Fi

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What Is WLAN? Differences Between WLAN and Wi-Fi

Introduction Wireless Local Area Network (WLAN) is a type of wireless computer network that connects two or more devices to form a Local Area Network (LAN) using wireless channels instead of wired transmission media. Typical deployment scenarios include homes, schools, campuses, or corporate office buildings. WLAN is a network system, while the commonly known Wi-Fi … Read more

Understanding WiFi: What Is It?

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Understanding WiFi: What Is It?

WiFi is a term that most people are now familiar with. Wherever you go, you can find many WiFi hotspots just by searching on your phone, although most of them require a password to connect. Nevertheless, let’s clarify what WiFi is. Originally, WiFi was an abbreviation for wireless fidelity. In the realm of wireless local … Read more

Research on Network Security Management and Protection of Industrial Internet Devices

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Research on Network Security Management and Protection of Industrial Internet Devices

1. Introduction The industrial internet is a product of the integration of new generation information and communication technologies with industrial systems. Ensuring the integration and transformation of industries and building a security assurance system for industrial internet is a prerequisite for the development of industrial internet security. With the trend of network connectivity and data … Read more

Research on Secure Access System for Massive IoT Devices in 5G Scenarios

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Authors: He Yueying, Sun Zhonghao Abstract: With the rapid development of 5G networks, while promoting the development of various IoT application scenarios and increasing the scale of IoT device access, it also brings more security threats. This paper starts from the actual threats faced by IoT application scenarios based on 5G, combines the challenges of … Read more

Jiang Zemin’s 2008 Paper on Intelligent Development and Machine Learning

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Jiang Zemin's 2008 Paper on Intelligent Development and Machine Learning

Source: “Development of China’s Information Technology Industry in the New Era” Organized and published by the Internet of Things Think Tank Introduction “Those who do not plan for the overall situation are not fit to plan for a single domain; those who do not plan for the future are not fit to plan for the … Read more

Essential Reading for Industrial Control System Security Evaluation

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Essential Reading for Industrial Control System Security Evaluation

——Interpretation of “Network Security Level Protection Evaluation Requirements Part 5: Industrial Control System Security Extension Requirements” Editor’s Note The “Cybersecurity Law of the People’s Republic of China” Article 31 states, “The state shall implement key protection for critical information infrastructure in important industries and fields such as public communications and information services, energy, transportation, water … Read more

Siemens PLC Control System Anti-Hacking Strategies

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Siemens PLC Control System Anti-Hacking Strategies

In today’s digital age, the security of industrial control systems has become increasingly important. As the core of industrial automation, if the PLC system suffers a hacker attack, it may lead to production line shutdowns and even cause serious safety incidents. This article will introduce how to protect Siemens PLC control systems from hacker attacks, … Read more

Siemens PLC and Industrial Control System Security: Essential Knowledge to Prevent Cyber Attacks

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Siemens PLC and Industrial Control System Security: Essential Knowledge to Prevent Cyber Attacks

▼Click the card below to follow me ▲Click the card above to follow me Hello everyone, I am XXX. Today we will discuss the security issues of industrial control systems, focusing on the security protection of Siemens PLCs. With the advancement of Industry 4.0, more and more factory equipment is connected to the internet, bringing … Read more

Siemens PLC Network Security Protection Guide

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Siemens PLC Network Security Protection Guide

Siemens PLC Network Security Protection Guide: Complete Solution for Industrial Control System Security Configuration and Hacker Intrusion Prevention 1. 1. Scenario Restoration A chemical plant’s DCS system suffered a hacker attack, causing some equipment to shut down abnormally, resulting in huge economic losses. Investigations revealed that hackers infiltrated the industrial control network through a remote … Read more