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27 Malicious npm Packages Used as Backdoors in Supply Chain Attack – December 2025

Author/Source: The Hacker News See the full link here

Takeaway

This article explains how security researchers found dangerous hidden programs, called backdoors, inside 27 software pieces shared on npm, a popular place for developers to get code. These malicious programs could steal sensitive information from programmers’ computers.


Technical Subject Understandability

Intermediate


Analogy/Comparison

Finding these malicious packages is like someone secretly putting a bad ingredient into a popular cookbook that then makes everyone who uses that recipe sick.


Why It Matters

This matters because attackers can use these hidden backdoors to steal private information, such as passwords, banking details, or other sensitive data from developers. For example, the article mentions that the malicious code could steal “cryptocurrency wallet details” and “VPN credentials,” potentially leading to financial loss or identity theft for affected programmers.


Related Terms

npm, Supply chain attack, Backdoor, Malware, Information stealer. Jargon Conversion: npm is a common place where computer programmers share pieces of code. A supply chain attack is when attackers secretly put harmful code into software that many people then use. A backdoor is a hidden way for attackers to get into a computer system without permission. Malware is harmful software designed to damage or gain unauthorized access to computer systems. An information stealer is a type of malware that collects private data from a computer.

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