根据专家介绍，未经授权的访问攻击（即第三方未经许可进入网络或系统）始于最初的入侵，整个过程可能持续几个小时，甚至长达数年。| 路透社 记者阿里亚娜·金（Ariana King） 2026年10月14日 随着日本许多公司连日来纷纷披露数据泄露事件，加之用户几乎无法避免使用需要输入个人信息的在线服务，一些人不禁想知道，信息被窃取后会发生什么，以及他们该如何保护自己。
An unauthorized access attack — in which a third party gains entry into a network or system without permission — begins with the initial intrusion and can take place over the course of a few hours or even several years, according to experts. | REUTERS By Ariana King Staff writer Oct 14, 2026 With many companies in Japan coming forward in recent days to disclose data breaches, and with few ways to avoid using online services requiring users to input personal information, some are left wondering what happens after a theft and how they can protect themselves.
网络安全公司Tricorder的总裁兼代表董事上野 সেন（Sen Ueno）表示，从泄露到被盗的时间线各不相同。
According to Sen Ueno, president and representative director of the cybersecurity company Tricorder, the timeline from breach to theft can vary.
未经授权的访问攻击——即第三方未经许可进入网络或系统——始于最初的入侵，整个过程可能持续几个小时，甚至长达数年。上野指出，曾有攻击者在近三年的时间里未被发现的案例。
An unauthorized access attack — in which a third party gains entry into a network or system without permission — begins with the initial intrusion and can take place over the course of a few hours or even several years. Ueno noted that there have been cases in which attackers went undetected for nearly three years.