Brevo Supply-Chain Attack Infected Over 100,000 Websites
A Brevo supply-chain attack used compromised Cloudflare access to inject malware into websites, potentially affecting over 100,000 sites. Brevo, formerly known as Sendinblue, is a French cloud-based marketing and customer communication platform whose clients include eBay, Louis Vuitton and Michelin. The company was first compromised on September 10, when attackers exploited a vulnerability in its […]
Pierluigi Paganini
September 18, 2026

Brevo, formerly known as Sendinblue, is a French cloud-based marketing and customer communication platform whose clients include eBay, Louis Vuitton and Michelin.
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