Author | Shalitha SurangaEditor | Wan JiaTranslator | Zhang JianxinI am a fan of Windows 98, 2000, XP, 7, and 10. However, I ultimately decided to use Ubuntu permanently. My Ubuntu Desktop Without an operating system, a computer becomes a worthless device, as the operating system serves as the intermediary interface between the user and … Read more
0x00 Introduction When a company experiences a hacker intrusion, system crash, or other security incidents that affect normal business operations, it is crucial to respond immediately to restore the company’s network information system to normal operation in the shortest time possible. Furthermore, it is necessary to investigate the source of the intrusion, reconstruct the incident … Read more
In automotive electronic diagnostics, secure access (0x27) and communication control (0x28) are two key technologies. The former protects ECU data security, while the latter optimizes communication efficiency. Mastering these is essential for becoming a diagnostic expert! 1. Secure Access (SID 0x27): The ECU’s ‘Password Lock’ Mechanism The ECU stores critical vehicle data (such as program … Read more
Vehicle Condition: A BMW 328i with a mileage of over 220,000 km. The engine experiences idle shaking, fluctuating RPM, and sometimes fails to accelerate, emitting black smoke at times. Fault Diagnosis: Using a BMW-specific diagnostic tool, three fault codes were retrieved: 16685 (Cylinder 1 Misfire) 16686 (Cylinder 2 Misfire) 16688 (Cylinder 4 Misfire) It was … Read more
With the background of technological advancements in electrification, intelligence, and connectivity, the electronic and electrical architectures across various industries are undergoing profound transformations. New architectures are gradually replacing traditional ones in fields such as automotive, engineering machinery, energy storage, and shipping, transitioning from traditional distributed architectures to domain-centric and even central-centric models, with controller functions … Read more
There are input and output circuits on the ECU hardware, while the software consists of programs and data. The assessment of ECU functionality should focus on these three aspects. Given the numerous pins and functions utilized by the ECU, it is advisable to create a project list and measure each item one by one. Measurement … Read more
📢 Latest News On April 2, 2025, Beijing time, the official Go team urgently released Go 1.24.2 and Go 1.23.8, focusing on fixing a critical security vulnerability in the <span><span>net/http</span></span> package—HTTP Request Smuggling (CVE-2025-22871). This vulnerability could allow malicious attackers to bypass security checks, construct illegal requests, and threaten server security. 🚨 Vulnerability Impact Scope … Read more
1. Introduction to HTTP 1.1 Versions of HTTP HTTP/0.9 Overview Released in 1991, it has no headers and is very simple, supporting only GET requests. HTTP/1.0 Released in 1996, it has poor security for plaintext transmission and large headers. It has the following enhancements over 0.9: Added headers (decoupling metadata from data) Introduced status codes … Read more
In the first part of my adventure, I arrived at the Nginx building, where I was greeted by the receptionist at station 04, who then directed me to Tomcat. There, I encountered the famous thread 0x6904, who took me to meet the head of the Struts Filter. We then went to the second floor to … Read more
C++ Embedded System Security: Protection and Vulnerability Mitigation In the modern technological landscape, embedded systems are ubiquitous, with applications ranging from smart homes to automotive control. As these systems often involve sensitive data and core functionalities, ensuring their security is crucial. This article will explore how to enhance the security of embedded systems using the … Read more