1 Various Types of Parts a CKD Parts CKD is a term that is quite common! The full English name is: Completely Knocked Down The full German name is: in Einzelteile zerlegt The Chinese explanation is: complete knockdown procurement / completely disassembled imported parts and assemblies. Do you think there are some differences among the … Read more
I am Lao Yu by the sea. When NVIDIA suddenly announced the suspension of H20 chip production, when American lawmakers openly clamored that “backdoors must be reserved in exported chips,” and when the Trump administration enforced a 15% “licensing tax”—we finally see clearly: the battlefield of chips has no luck, only a life-and-death game! If … Read more
90% of imported chips have ‘backdoors’! NVIDIA H20 is just the tip of the iceberg! From Qualcomm being exposed for collecting user data, to NVIDIA being questioned for security vulnerabilities, to foreign legislation requiring exported chips to have remote lockout capabilities—backdoors are both a technological product and a political tool. Hello everyone, I am Uncle … Read more
In the summer of 2025, global chip giant NVIDIA found itself in an unprecedented trust crisis—its H20 computing chip, specifically supplied for the Chinese market, was reported to have serious security issues, leading to discussions with the National Internet Information Office. The fate of the H20 chip has been tumultuous: born in 2023 to circumvent … Read more
The Terrestrial Trunked Radio (TETRA) standard, developed by the European Telecommunications Standards Institute (ETSI), is one of the most widely used radio encryption communication standards globally. It is extensively adopted by communication equipment manufacturers such as Motorola and Sepura, with applications spanning over 100 countries, primarily for encrypted communications in police, rescue, military, and critical … Read more
The “backdoor” issue concerning NVIDIA’s AI chips has sparked extensive discussions and controversies. In July 2025, shortly after the lifting of restrictions on NVIDIA chips, relevant national departments issued a warning, advising the public and businesses to exercise caution when procuring foreign chips, alerting them to the potential “backdoor” risks that may exist within these … Read more
On July 31, a brief announcement shook the global tech community:The National Internet Information Office officially summoned NVIDIA Corporation based on the “Cybersecurity Law,” “Data Security Law,” and “Personal Information Protection Law,” requiring an explanation regarding the “backdoor security risks” of the H20 computing power chip sold to China, and to submit complete technical proof … Read more
Recently, Group-IB disclosed a bank network attack incident: the notorious hacker group UNC2891 (also known as LightBasin) attempted to bypass multiple security defenses to carry out ATM fraud by implanting a Raspberry Pi microcomputer equipped with a 4G module within the bank. Their plan ultimately failed when it was exposed. This “hybrid attack,” which combines … Read more
This article mainly introduces the detailed format of certain versions of Netgear wireless router firmware, as well as how to implant a backdoor into the firmware and repack it. Finally, it reverse analyzes the official packaging tool. 1. Introduction to Netgear Netgear, translated into Chinese as 网件, is a company dedicated to providing easy-to-use and … Read more
According to the received threat intelligence report, the hacker group IronShade has launched attacks against Linux servers in the region. To prevent attacks from this APT organization and understand their attack patterns, our team set up a honeypot, exposing weak SSH and ports. As security analysts, we need to conduct a comprehensive intrusion assessment on … Read more