One cleverly-crafted phishing email led to a ripple effect in the npm ecosystem, compromising billions of downloads and shaking the very foundation of open-source security. How safe is your code?

https://thedefendopsdiaries.com/the-npm-supply-chain-attack-of-september-2025-anatomy-of-a-phishing-driven-breach/

#npm
#supplychainattack
#phishing
#javascriptsecurity
#opensource
#malware
#credentialtheft
#cybersecurity
#packagemanagement

A malicious GitHub Actions workflow in a shared repo exfiltrated an npm token and was used to publish backdoored versions of 20 packages, including @ctrl/tinycolor. The attack exploited admin rights to bypass PR review. GitHub and npm teams acted quickly to unpublish the compromised packages.

https://sigh.dev/posts/ctrl-tinycolor-post-mortem/

#SupplyChainSecurity #JavaScriptSecurity #OpenSource #InfosecNews

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🚨 Did you know that cybercriminals are casually chatting within compromised code to split profits? 😳 The "Mongolian Skimmer" campaign reveals just that, using JavaScript obfuscation and anti-debugging tactics to evade detection.

🔒 Cybersecurity Tip: Stay ahead of threats by regularly auditing your JavaScript for obfuscated code and setting strong Content Security Policies (CSPs) to prevent unauthorized scripts from running.

🛡️ How confident are you in the security of your client-side scripts? Have you seen anything suspicious lately? Let’s discuss!

📖 Dive deeper into the story and learn how to protect yourself: https://guardiansofcyber.com/threats-vulnerabilities/the-mongolian-skimmer-inside-a-javascript-skimming-campaign-using-obfuscation-and-anti-debugging-tactics/

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