information security

Shanghai Sightway: Leading Market Share in Image Sensor Chips for Security Applications

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Shanghai Sightway: Leading Market Share in Image Sensor Chips for Security Applications

Witness the rejuvenation of ChinaCompany – Semiconductor/Digital Chip DesignOverview of Chinese semiconductor digital chip design companies, number 16: Sightway.The top 15 companies are listed at the bottom of the article. Sightway (Shanghai) Electronic Technology Co., Ltd. (Stock Code: 688213) was established inApril 2017, headquartered in Shanghai, and is aleading domestic CMOS image sensor chip design … Read more

Fundamentals of Linux System Administration (Essential for Java Developers)

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Fundamentals of Linux System Administration (Essential for Java Developers)

For Java developers, mastering basic Linux system administration skills is essential. Whether it is deploying applications, troubleshooting issues, or performance tuning, interaction with the Linux system is necessary. This article will introduce the fundamental knowledge and practical skills of Linux system administration that Java developers must master. 1. Basic Concepts of Linux 1.1 Linux System … Read more

The Increasing Stringency of Real-Name Authentication for IoT Cards: A Case for Directional IoT Cards

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The Increasing Stringency of Real-Name Authentication for IoT Cards: A Case for Directional IoT Cards

Recently, one of the hottest topics in the industry has been the tightening of real-name authentication policies for IoT cards. Operators are imposing stricter requirements, mandating that each card be registered under a real name and undergo facial recognition. Many customers are troubled by this, especially enterprises that need to manage a large number of … Read more

Reflections on Safety Incidents in the Robotics Industry: Foreign Media Reveals High-Risk Vulnerability UniPwn in Unitree Robotics, Enabling Worm-like Attacks for Cluster Control

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Reflections on Safety Incidents in the Robotics Industry: Foreign Media Reveals High-Risk Vulnerability UniPwn in Unitree Robotics, Enabling Worm-like Attacks for Cluster Control

Registration: European Humanoid Robot Summit 2025 Abstract:The Andreas team discovered the UniPwn vulnerability in Unitree Robotics, which allows worm-like attacks to gain root access, affecting devices in multiple scenarios. In conjunction with IEEE/ISO standards, experts recommend disabling Bluetooth and implementing network isolation, while manufacturers need to reconstruct their security systems. 1. Core Information on the … Read more

Microsoft’s ‘Half-Life’ Handed Over to Rust! Legendary Tech Guru at Microsoft Champions Rust, Reveals Core Infrastructure Has Been Rustified, and Third-Party Drivers Are Not Exempt, Unveiling Internal Secret Weapons

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Microsoft's 'Half-Life' Handed Over to Rust! Legendary Tech Guru at Microsoft Champions Rust, Reveals Core Infrastructure Has Been Rustified, and Third-Party Drivers Are Not Exempt, Unveiling Internal Secret Weapons

Editor ｜ Yun Zhao More than five years have passed, and Microsoft has handed over half of its life to Rust. As we all know, Microsoft has been grappling with Windows security issues for decades, one of the nightmares being the global computer blue screen incident in July last year, which attracted seismic attention. Now, … Read more

Linux Kernel ksmbd Vulnerability Allows Remote Attackers to Execute Arbitrary Code (CVE-2025-38561)

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Linux Kernel ksmbd Vulnerability Allows Remote Attackers to Execute Arbitrary Code (CVE-2025-38561)

Part01 Vulnerability Overview A high-risk vulnerability has been disclosed in the ksmbd SMB server implementation of the Linux kernel, which may allow authenticated remote attackers to execute arbitrary code on affected systems. This vulnerability is identified as CVE-2025-38561, with a CVSS score of 8.5, posing a significant security risk to Linux systems utilizing kernel-based SMB … Read more

13 Essential Tools for Linux System Administration

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13 Essential Tools for Linux System Administration

This article introduces several practical tools for Linux system administration, hoping to assist Linux administrators. 1. Monitor Process Bandwidth Usage – Nethogs Nethogs is a network traffic monitoring tool that runs in the terminal and can visually display the bandwidth used by each process. Download: http://sourceforge.net/projects/nethogs/files/nethogs/0.8/nethogs-0.8.0.tar.gz/download [root@localhost ~]# yum -y install libpcap-devel ncurses-devel [root@localhost ~]# … Read more

How to Run Docker as a Non-Root User in Linux?

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How to Run Docker as a Non-Root User in Linux?

Have you ever had this experience? While typing commands on a Linux server, you decide to try Docker, but when you run <span>docker run</span>, the system coldly responds with “permission denied”. You sigh, switch to root, use sudo, and the container starts, but there’s always a nagging feeling—what if a script goes awry and root … Read more

Essential Guide to Configuring Linux Password Policies

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Essential Guide to Configuring Linux Password Policies

The Linux system provides a powerful password management mechanism that can effectively enhance server security. Below, we will introduce how to set password complexity rules and expiration times. 1. Setting Password Complexity Rules 1. Using the PAM pam_pwquality Module Edit <span>/etc/pam.d/system-auth</span> or <span>/etc/pam.d/common-password</span> file, and add the following content: password required pam_pwquality.so minlen=10 ucredit=-1 lcredit=-1 … Read more

The Dark Side of Linux Permissions: Why Root Abuse Can Lead to Disaster?

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The Dark Side of Linux Permissions: Why Root Abuse Can Lead to Disaster?

Link: https://blog.csdn.net/GGDxianv/article/details/144171476? ☞ The course by Liang Xu has completely exploded! ☜ Linux Permissions (A Comprehensive Understanding of Linux Permissions) • 1. Two Types of Users in Linux • • Super User (root) and Regular User • su Command • sudo Command • 2. Linux Permission Management • • 2.1 File Accessors • • Owner … Read more