Alert: Massive Cyberattack Targets 110K Websites with Hijacked Polyfill!

Google Blocks Ads for E-Commerce Sites Using After Supply Chain Attack

Google has made a significant move in response to a supply chain attack involving service. They decided to block ads for e-commerce websites utilizing this service. The incident occurred when a Chinese company acquired the domain and altered the JavaScript library known as “polyfill.js.” This manipulation led to users being redirected to malicious and scam websites.

Extensive Impact on Over 110,000 Sites

Sansec, a renowned cybersecurity firm, highlighted the severity of the attack by stating that more than 110,000 websites that embed the library have been affected. This large-scale supply chain attack has raised concerns within the cybersecurity community regarding the security of third-party services and libraries commonly used by websites.

Considered a crucial component, is widely used by developers to ensure compatibility with various web browsers. However, the recent compromise of this library has showcased the vulnerabilities associated with using third-party resources without proper oversight.

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Implications of the Supply Chain Attack

The infiltration of has significant implications for the security of e-commerce websites. By leveraging a trusted service like, threat actors were able to compromise a vast number of websites quickly and efficiently. This incident emphasizes the importance of constantly monitoring and securing the supply chain to prevent such attacks.

Protecting Against Supply Chain Attacks

To safeguard against supply chain attacks, organizations must implement robust security measures. This includes conducting thorough vetting processes for third-party services and regularly monitoring for any suspicious activities. In addition, maintaining transparency and communication with service providers can help detect and mitigate potential threats effectively.

Furthermore, staying informed about emerging cybersecurity risks and adopting proactive security strategies are essential in fortifying defenses against supply chain attacks. By prioritizing security protocols and reinforcing resilience, organizations can better protect their digital assets from malicious actors.


The recent supply chain attack targeting the service underscores the evolving nature of cybersecurity threats and the importance of securing third-party resources. Google’s decision to block ads for e-commerce sites using the compromised library serves as a proactive measure to mitigate the impact of the attack. As cybersecurity incidents continue to pose risks to online businesses, vigilance, and precautionary measures are crucial in safeguarding against potential threats.

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