information security

Essential Guide for Linux System Administrators: Ultimate Guide to Changing the Root Password

by
Essential Guide for Linux System Administrators: Ultimate Guide to Changing the Root Password

1. General Scenario: Known Regular User Password Applicable Scenario: When a regular user account with sudo privileges is available 1. Open Terminal<span><span>Ctrl+Alt+T</span></span> to quickly launch the terminal, or search for “Terminal” in the application menu.2. Execute Password Change Command sudo passwd root 3. Authentication Process First, enter the current regular user password (for sudo permission … Read more

What is Bluetooth Man-in-the-Middle Attack?

by
What is Bluetooth Man-in-the-Middle Attack?

What is Bluetooth Man-in-the-Middle Attack? A man-in-the-middle attack occurs when an attacker inserts themselves between two devices, intercepting their communication and possibly altering the data, often without the users’ knowledge. In Bluetooth, this typically happens with Bluetooth Low Energy (BLE) devices, such as smartwatches. How the attack is carried out: 1.The attacker must be within … Read more

Allwinner T3/T3-C Power Intelligent Measurement Device Operating System Certified by Authoritative Evaluation!

by
Allwinner T3/T3-C Power Intelligent Measurement Device Operating System Certified by Authoritative Evaluation!

About the China Software Testing Center (Software and Integrated Circuit Promotion Center of the Ministry of Industry and Information Technology) With rich equipment and advanced software and hardware environment, software testing is mainly based on GB/T25000.51-2016 “System and Software Engineering – System and Software Quality Requirements and Evaluation (SQuaRE) Part 51: Quality Requirements and Testing … Read more

UXMT | Internet of Things (IoT): The Intelligent Revolution of Connectivity!

by
UXMT | Internet of Things (IoT): The Intelligent Revolution of Connectivity!

Experience Consulting | Technical Services | Brand PromotionUser Research | Product Evaluation | Public Opinion Monitoring In today’s rapidly advancing technological era, the Internet of Things (IoT) is a revolutionary technology that is profoundly changing our lives, work, and the operation of society as a whole. With its unique charm and powerful functions, it tightly … Read more

Gateways in the Internet of Things (IoT): An Indispensable Core Component

by
Gateways in the Internet of Things (IoT): An Indispensable Core Component

The IoT gateway is a core component of IoT systems, responsible for protocol conversion, data aggregation and preprocessing, edge computing, security assurance, device management and monitoring, data forwarding, cross-domain interconnection, network management and load balancing, energy management, redundancy and fault tolerance, local interaction, multi-tenant support, and intelligent prediction. It not only breaks down communication barriers … Read more

Eclipse Kura: A Powerful Tool for Building IoT Gateways

by
Eclipse Kura: A Powerful Tool for Building IoT Gateways

With the development of Internet of Things (IoT) technology, the demand for efficient and flexible data processing and communication solutions is growing.Eclipse Kura serves as a crucial application framework designed specifically for IoT gateways, playing an essential role in this field. This article aims to delve into the features of Eclipse Kura and how it … Read more

A Discussion on the Security and Control Risks of ARM Chips

by
A Discussion on the Security and Control Risks of ARM Chips

In recent years, incidents of supply chain disruptions have become frequent. Although the recent two incidents are not directly related to our country, they inevitably evoke a sense of loss and concern. First, ARM’s cancellation of the instruction set architecture license to Qualcomm indicates that commercial reputation is worthless in the face of economic interests. … Read more

Remediation Plan for Virtual Machine Escape Vulnerability on QEMU-KVM Virtualization Platform

by
Remediation Plan for Virtual Machine Escape Vulnerability on QEMU-KVM Virtualization Platform

Friendly Reminder: The full text contains over 6200 words, estimated reading time is 16 minutes. Abstract In public cloud environments, users no longer own the hardware resources of the infrastructure; software runs in the cloud, and business data is also stored in the cloud. Therefore, security issues are one of the main concerns for users … Read more

LTE-Based Vehicle-to-Everything Communication Architecture

by
LTE-Based Vehicle-to-Everything Communication Architecture

The LTE-based vehicle communication system supports vehicle-to-vehicle (V2V) applications, vehicle-to-infrastructure (V2I) applications, vehicle-to-network (V2N) applications, and vehicle-to-pedestrian (V2P) applications. These applications provide users with various services such as road safety, traffic efficiency improvement, and infotainment. V2X communication has two operational modes: PC5-based V2X communication and LTE-Uu-based V2X communication. The LTE-Uu-based operational mode can be either … Read more

The Urgent Security Challenges of the Internet of Vehicles: How AI Can Combat Hacking Attacks and Data Leaks

by
The Urgent Security Challenges of the Internet of Vehicles: How AI Can Combat Hacking Attacks and Data Leaks

Click the blue text to get more exciting information about the automotive market Smart cars are not just machines that can drive; they are more like “computers on wheels,” and they can be even more complex than the computers at home. Technologies such as autonomous driving, intelligent navigation, and remote control make cars smarter, but … Read more