# 本章小结

**这一章节主要介绍云计算的概念、模式和分类。其中介绍了 IaaS，PaaS，SaaS 三种云计算模式，以及公有云、私有云、混合云三种云计算分类。此外，还涉及到了云安全的概念，与传统安全的区别，以及渗透与云渗透的区别。最后，对公有云攻击面、私有云攻击面、虚拟化攻击面和云原生攻击面进行了介绍，以便学员对云上攻防有更深入地了解。**

**如果你对这章感到疑惑，或者有不懂的内容也没有关系，后面章节会介绍更加详细，请继续学习。**


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