backdoor
Chinese meaning
In this story →
Example
The most blatant security backdoor yet seen in an internet router has been found in a range of models sold under multiple brand names.
Source: 9to5Mac · 6 Aug 2026
Background ✎
Roots · etymology
源自 back（后）+ door（门），字面「后门」
- back（后面）+ door（门）
Collocations
- security backdoor / backdoor access / find a backdoor
Chinese usage notes
AI-assisted learning material in Chinese (without pinyin). Original examples below are not news quotations. Editorial process
Usage · 用法
信息安全里的 a backdoor 可指绕过正常访问机制的隐蔽入口；backdoor access 是常见搭配。技术义参照 NIST，普通秘密或间接手段的用法参照词典。
Distinction · 辨析
普通建筑后门通常写 back door。漏洞不都能称为 backdoor，也不能仅凭发现漏洞就推断有人故意留了后门；报道中的技术证据与责任认定需分别阅读。
Collocations · 常见搭配
- a backdoor into a system
- backdoor access
- a backdoor method
Original teaching example (not a news quotation)
The security team found a backdoor that bypassed the normal login process.
安全团队发现了一个可绕过正常登录流程的后门。
Usage references
Learning topics (Chinese)
