cvedetails.com is a vulnerability intelligence solution providing cve security vulnerability database, exploits, advisories, product and cve risk scores, attack surface intelligence, open source vulnerabilities, code changes, vulnerabilities affecting your attack surface and software inventory/tech stack. you can view cve vulnerability details, exploits, references, metasploit modules, full list of vulnerable products and cvss score reports and vulnerability trends over time

enterprise cybersecurity platform powered by ai & global threat intelligence. attack surface management, xdr, cloud security, network security, managed services

oracle offers a comprehensive and fully integrated stack of cloud applications and cloud platform services.

stack overflow is the largest, most trusted online community for developers to learn, share​ ​their programming ​knowledge, and build their careers.

github is where over 100 million developers shape the future of software, together. contribute to the open source community, manage your git repositories, review code like a pro, track bugs and features, power your ci/cd and devops workflows, and secure code before you commit it.

博客园是一个面向开发者的知识分享社区。自创建以来，博客园一直致力并专注于为开发者打造一个纯净的技术交流社区，推动并帮助开发者通过互联网分享知识，从而让更多开发者从中受益。博客园的使命是帮助开发者用代码改变世界。

in-depth, to-the-point tutorials on java, spring, spring boot, security, and rest.

ubuntu is the modern, open source operating system on linux for the enterprise server, desktop, cloud, and iot.