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 is reprinted from the “Petrochemical Automation” magazine, Issue 2, 2021 The full text is approximately 7190 words, with a reading time of about 20 minutes A Method for Measuring the Health and Security of Industrial Control System Networks XU Zhijie1, ZHU Lingyun2, JIN Xin3 (1. Kenexis Consulting; 2. Beijing Shangde Automation System Co., … Read more
Ye Haiqiang stated that the company's ASIC security dedicated chip is expected to enter mass production in October this year, with plans to release a hardware platform officially equipped with the ASIC mass production chip by the end of this year, and to complete the transition of all cybersecurity platform products by the first half … Read more
As someone who frequently deals with electronics, I have always had a question. Is there no trick behind the ability to casually interact with external servers just by tapping on a phone or typing on a computer at home? How do home devices access external servers? Before this, I only knew part of the story. … Read more
In today’s digital wave, the Internet has become an indispensable part of people’s lives and work. The TCP/IP protocol stack, as the cornerstone of Internet communication, carries the massive data transmission tasks globally. However, this “cornerstone” is not unbreakable; its design flaws and vulnerabilities at various layers are often exploited by hackers, posing potential threats … Read more
In this era of information explosion, the development of new technologies is changing rapidly, and the Internet of Things (IoT), as an emerging technology, is gradually transforming our lives. Agriculture, as the foundation of our national economy, is also experiencing the benefits of IoT. Through IoT, agriculture has become “smarter,” allowing farmers to say goodbye … Read more
Introduction Recently, the National Internet Emergency Center (CNCERT) issued a risk warning regarding the BlackMoon variant of the HTTPBot botnet. The China Mobile Smart Home Operations Center promptly captured this significant security incident and collaborated with the Cybersecurity Center to initiate an emergency response. After investigating and analyzing the China Mobile network, it was determined … Read more
HTTP Identification Control HTTPS Identification Control Custom Identification Control Background: During work hoursIT cannot access video websites Background Analysis:HTTP message, which field identifies the URL? Blocking HTTP websites, should the three-way handshake be allowed first? HTTP Identification Working Principle: HTTP website identification, after the terminal device resolves the domain name through DNS, completes the three-way … Read more
Such situations can happen to anyone. You need to complete a project, download files, or track some information, and you really need to connect to some wireless networks. Whether you are at home, in your office, or traveling in an unfamiliar city, you know that the urgently needed free Wi-Fi networks are around you, but … Read more
As the first rays of morning sunlight filter through the curtains, the smart speaker automatically plays the weather forecast; when leaving home, the security system arms itself, and the air conditioning and lights turn off automatically; on the way home from work, the phone remotely starts the vacuum cleaner and preheats the water heater… These … Read more