JD

Censys is a powerful and user-friendly network mapping tool that scans and collects a large amount of internet data, including hosts, certificates, and protocols. It also provides useful tools for fingerprint recognition, vulnerability detection, and security policy management. GreyNoise provides visual charts and statistical data to understand scanning and attack activities on the internet and their potential threats to network security. "Zhi Feng" proposes an automated analysis method for internet-connected industrial control assets, which helps users understand the ownership, access time, and system name of these assets. It can quickly determine if a target system has industrial control assets connected to the internet and assess the possibility of internet attacks. The Falcon platform is a global internet asset collection platform launched by Qihoo 360. It has a scanning engine that covers global IPv4 addresses and can scan various types of internet assets, providing a visual interface to display asset-related information. ZoomEye, also known as "Zhong Kui's Eye," is a network space detection engine developed by Beijing Qianxin Technology. It combines vulnerability detection and big data intelligence analysis to provide technical support and product support for global network space mapping. Shodan is known as the "dark Google" and is the world's first search engine for internet-connected devices. It helps users discover all devices connected to the internet, including power plants, phones, refrigerators, and Minecraft servers. Quake is a global network space mapping system developed by 360-CERT. It continuously detects global IPv4 and IPv6 addresses, perceives various assets in real-time, and discovers their security risks. FOFA is a network space search engine launched by Baihuihui. It helps researchers or companies quickly match network assets through network space mapping, such as vulnerability impact analysis, application distribution statistics, and application popularity rankings.