However, one computer security expert said that even an attack of this size did not necessarily have to be the work of a large or powerful group.

不过，一名计算机安全专家称，即使是这样大规模的攻击也不一定来自大型或有势力的组织。

youdao

However, one computer security expert said that even an attack of this size did not necessarily have to be the work of a large or powerful group.

不过，一名计算机安全专家称，即使是这样大规模的攻击也不一定来自大型或有势力的组织。

youdao