information security

Introduction to ECU Control Software Development and Testing

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Introduction to ECU Control Software Development and Testing

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

Methods for Rapid Diagnosis of ECU Functionality

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Methods for Rapid Diagnosis of ECU Functionality

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

Go 1.24.2 Released: Major Security Vulnerability Fix in net/http – Is Your Service Safe?

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Go 1.24.2 Released: Major Security Vulnerability Fix in net/http - Is Your Service Safe?

📢 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

An Overview of the HTTP Protocol

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An Overview of the HTTP Protocol

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

C++ Embedded System Security: Protection and Vulnerability Mitigation

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C++ Embedded System Security: Protection and Vulnerability Mitigation

C++ Embedded System Security: Protection and Vulnerability Mitigation In today’s technological environment, embedded systems have become increasingly important due to their widespread applications in areas such as IoT devices, home appliances, automotive, and medical equipment. However, as these systems are often connected to networks, they also face numerous security threats. This article will detail how … Read more

Significant Breakthroughs in Domestic Chips for High-Value Applications, Reducing Dependence on American Chips

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Significant Breakthroughs in Domestic Chips for High-Value Applications, Reducing Dependence on American Chips

Market research firm IDC recently released data on the global server chip market for Q4 2024, indicating significant changes in the server chip market. The market share of American-dominated X86 server chips has drastically declined, suggesting that China’s self-developed server chips have made substantial inroads into the market. According to IDC, the global server chip … Read more

April 15th National Security Education Day

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April 15th National Security Education Day

2024 marks the 75th anniversary of the founding of the People’s Republic of China, a crucial year for achieving the goals of the 14th Five-Year Plan, and also the 10th anniversary of General Secretary Xi Jinping’s overall national security concept. April 15th is the ninth National Security Education Day, and this year’s theme for the … Read more

Automotive Grade Testing of ECUs: DV Testing (Part 11: EMC Standards and Testing – 6)

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Automotive Grade Testing of ECUs: DV Testing (Part 11: EMC Standards and Testing - 6)

This article is approximately 5,700 words long, recommended for saving and reading. Author | Zuo Chenggang Produced by | Automotive Electronics and Software Introduction: This article is the eleventh piece in the series of articles titled《Automotive Grade Testing of ECUs》 (click to view all articles).Continuing from the previous text, this article will continue to introduce … Read more

Guide to Diagnosing and Repairing ECU Control Anomalies

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Guide to Diagnosing and Repairing ECU Control Anomalies

1. Core Fault Analysis of ECU Anomalies 1. Program Corruption: The “Amnesia” of Digital Neurons Typical Triggers: Unofficial ECU tuning (e.g., aggressive first/second-order program flashing leading to checksum failure) CAN bus signal conflicts (devices occupying diagnostic protocol IDs, such as permanent devices on the OBD interface) OTA upgrade interruptions (voltage fluctuations causing packet loss rate … Read more