今年早些时候，俄罗斯黑客入侵了微软客户的电子邮件和员工收件箱。 Russian hackers accessed Microsoft clients' emails and staff inboxes earlier this year.

微软已告知客户，俄罗斯黑客访问了他们的电子邮件，并且监视了该科技巨头系统内的员工收件箱。 Microsoft has informed clients that Russian hackers accessed their emails, in addition to spying on staff inboxes within the tech giant's systems. 此次入侵事件发生于今年早些时候，是在微软首次披露入侵事件六个月后才被揭露。 The breach occurred earlier this year and was revealed six months after Microsoft first disclosed the intrusion. 这一消息是在微软软件和系统抵御外部威胁的安全性受到越来越严格的审查的背景下发布的。 This news comes amidst increasing scrutiny over the security of Microsoft's software and systems against foreign threats.