Brevo Supply Chain Attack Injects Malware Into 100,000 Websites
Summary
Attackers compromised an API key to deploy a Cloudflare worker, which was then used to inject malicious scripts into approximately 100,000 websites. This supply chain attack leveraged the compromised Brevo platform to distribute the malware.
IFF Assessment
FOE
This article describes a successful supply chain attack that injected malware into a large number of websites, indicating a win for attackers.
Defender Context
This incident highlights the risks associated with supply chain attacks, where a compromise of one vendor can have widespread downstream effects. Defenders should be vigilant about the security of third-party integrations and API key management, as well as monitoring for unexpected script injections on their websites.