西安四叶草信息技术有限公司(简称:四叶草安全)是一家领先的实战创新型网络安全企业，以攻防为主体的安全解决方案提供商。公司秉承“以攻促防”的安全理念，站在用户角度以黑客视角帮助用户建立智能主动的安全防御体系。专注于漏洞风险发现、安全防御体系搭建以及攻防实战型人才培养，聚焦发展自主创新的核心安全能力，在黑客攻防对抗方向解决“卡脖子”类核心技术的突破，营造一个更安全、更美好的互联网世界。 四叶草安全研究团队率先发现了全球主流25款杀毒软件的47个本地提权漏洞，不断围绕“攻防”两端布局和丰富产品线，发布了国内首款基于社区的分布式漏洞扫描平台和基于“AI＋安全”开发理念的感动系列产品。开启安全行业“人工智能”新时代，开创风险感知新模式; 发布动态防御产品体系和最接近实战的网络安全人才培养平台，为用户构建主动智能的防御体系，已形成研究、研发、服务和人才培养相辅相成的“业务生态”。 四叶草安全是国家级重点专精特新小巨人企业、国家高新技术企业、硬科技优秀企业、潜在独角兽企业、CNCERT、CNNVD、CNVD技术支持单位，拥有百余项技术专利和完善的网络安全资质，与中国信息安全测评中心、蚂蚁集团、西安电子科技大学等单位联合成立“网络安全实验室”，与阿里、华为、百度、腾讯等优秀企业持续多年深度合作。 业务研究领域涉及网络安全、云安全、数据安全、区块链安全、应用安全、移动安全、物联网安全、工控安全、黑客技术、智能算法和基于图神经网络的业务安全等。 四叶草安全成立于2012年，立足西安、服务全国，在北京、上海、深圳、成都、兰州、青岛等地成立分公司及办事处。保障过党的十九大、二十大、“一带一路”国际合作高峰论坛、金砖国家峰会、G20杭州峰会、丝博会、中国国际进口博览会、宁夏回族自治区成立60周年等重大活动，累计为6100多个项目提供技术服务和安全保障，旗下的感洞平台持续为1700多万互联网企业的资产安全保驾护航，参与建设过党政机关、军工、教育、医疗、能源、运营商、互联网+等行业的数百个大型项目，获得客户广泛好评。

Xi'an Clover Cyber Technology Co.,Ltd(referred to as:Clover Sec)is a leading combat-based innovation oriented cyber security enterprise,a professional cyber security comprehensive solutions provider. The company adheres to the security concept of"attack for defense", focuses on vulnerability risk discovery, security defense system construction and attack and defense personnel training. and is committed to helping users to find and solve security risks in time ahead of hackers, in order to jointly create a safer and better Internet world. Clover Sec handled both attack and defense product lines. found 47 local priviegevulnerabilities in 25 global mainstream anti-virus software.released the first BugScan, community-based distributed vulnerability scanning platform and BugFeel series based on the development concept of"A+ security home. opened up the new era of "artificial intelligence’ in the security industry,and created a new model of risk perception; The company released the most realistic cyber security talents training platform and defense system products to build an active defense system for clients.It has formed the "business ecology"with service,R&D,service college and community complementing each other. Clover Sec is national high-tech and an excellent hard & core technology enterprise. We cultivate unicorn enterprise, little giant enterprise and technical support units for CNCERT、CNNVD、CNVD.We have more than 100 technical patents and perfect cyber security qualification,jointly set up cyber security laboratory with China Information Technology Security Evaluation Center,Xidian University, Ant Group and other units, and achieve in depth cooperation with Ali,Huawei,Baidu,Tencent and other excellent enterprises. Its research fields include cyber security, application security,mobile security,Internet of Things security industrial control security.control security, data security.hacker technology,intelligent algorithm and security based on graph neural network, etc. Founded in 2012 Clover Sec is based in Xian, serves the whole country and sets up branches and offices in Beijing，Shenzhen, Shanghai,Chengdu,Lanzhou and other places at present. It ensured the cyber security for many important events such as the 19th Session of National Congress of the Communist Party of China, Belt and Road Forum for International Cooperationthe BRICS National Summit，2016 G20 Hangzhou summit，Silk Road Intermational Cultural Expo,China International Import Expo,the 6och Anniversary of Establishment of Ningxia Hui Autonomous Region.served 6000+clients,carried out hundreds of large-scale projects in government, military education, energy,operator, finance,medical care and Internet+and ocher industries and received more than 100 thank-you letters from clients.

计算机软硬件的研制、开发、生产、销售；计算机网络工程的设计、施工及技术服务、技术咨询；计算机系统集成；计算机周边设备的研发及销售；IT项目监理咨询、设计、规划；多媒体软件开发；通讯产品（不含地面卫星接收设施）的销售；电子产品的研制、开发、生产、销售及安装；货物及技术的进出口经营（国家限制、禁止和须经审批进出口的货物和技术除外）。（依法须经批准的项目，经相关部门批准后方可开展经营活动）