1. What is an HTTP Packet What is HTTP HTTP: (HyperText Transfer Protocol) is the protocol used for transferring hypertext from World Wide Web (WWW) servers to local browsers. HTTP is a protocol based on the TCP/IP communication protocol for transmitting data (HTML files, image files, query results, etc.). HTTP is an application layer protocol, … Read more
Authors: Ding Chaohui, Zhang Wei, Yang Guoyu, Liu Teng Affiliations: 1.China Datang Corporation Science and Technology Research Institute Co., Ltd., Beijing 100043. Abstract: In the face of complex network security situations, attackers often employ extensive information reconnaissance, vulnerability exploitation, and obfuscation techniques to conduct malicious activities or destructive actions on the network. Although current network … Read more
The DHS 4300A series manual, released by the U.S. Department of Homeland Security, aims to guide the secure use of wireless technologies in sensitive systems. The manual includes usage specifications for various wireless technologies such as RFID and Bluetooth. Next, we will analyze the guidance requirements for Bluetooth technology in this manual. DHS 4300A –Q6 … Read more
A few days ago, I started writing a series of articles about tools and methods for unpacking malware. Each piece of malware or packer is different, and sometimes a universal method cannot be used for unpacking. However, common characteristics can sometimes be found. For example, packers often use weak encryption algorithms, and breaking these algorithms … Read more
The Internet of Vehicles (IoV) is a new industrial form that deeply integrates next-generation information technologies such as 5G, artificial intelligence, big data, and cloud computing with the automotive, electronics, and road traffic fields. It serves as an important carrier for accelerating the development of new productive forces and building new competitive advantages for the … Read more
Author | Zhang Xiaoming, Cao Kejian, Peng Guangming Everything is a computer. Everything is connected. With the development of “informationization” and “intelligence” in human society, the trend of the Internet of Things (IoT) is emerging, from smart homes and smart grids to smart cities and industrial IoT, the integration of cyberspace and the real world … Read more
Good evening, my friends! When we browse the internet, we often see “http” or “https” at the beginning of a URL. Both represent the HyperText Transfer Protocol, but there is a key difference between them: “security.” Today, we will explore the differences between HTTPS and HTTP, as well as their working principles and applications. Today’s … Read more
A few days ago, the news of Google cracking the SHA-1 algorithm flooded my social media feed. In fact, the term “crack” is not entirely accurate, it should be that they published an example of breaking the SHA-1 algorithm. Regarding this news, I saw two different comments: A: Wow, that’s amazing! They actually cracked an … Read more
The COVID-19 pandemic has made remote working the new norm and brought the business world into a phase that is yet to be explored. Undoubtedly, due to the lack of face-to-face interaction and standard distance restrictions, many users have had to digitally sign some official documents over the past few years. To maintain the authenticity … Read more
The Tor browser, known for its anonymity, is striving to reach new heights in the pursuit of encryption keys. To generate encryption keys that are hard to crack, it is necessary to innovate and upgrade the random algorithms. A key is a parameter that is input data in the algorithm that converts plaintext to ciphertext … Read more