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China-Linked APT Targets IIS Web Servers With ‘FunnyDream’ Backdoor – February 2026

Author/Source: APT means Advanced Persistent Threat, which is a group that hacks into computers and stays hidden for a long time. A backdoor is a secret way to get into a computer system. IIS web servers are computers that host websites. See the full link here

Takeaway

This article discusses how a Chinese hacking group is targeting web servers that use Microsoft’s IIS software. They are installing a secret backdoor program called “FunnyDream” to steal information.


Technical Subject Understandability

Intermediate


Analogy/Comparison

It’s like a thief sneaking into a house through an unlocked back door to steal valuables without the owner knowing.


Why It Matters

This type of attack can allow hackers to steal sensitive data from businesses and organizations that rely on these web servers. For example, a hospital’s website could be hacked, exposing patient records.


Related Terms

APT, backdoor, IIS web servers

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