A security incident at Vercel, an app hosting platform, has resulted in the theft of customer data, with the company attributing the breach to a prior hack at Context AI1. The initial breach at Context AI enabled hackers to compromise a Vercel employee's account, which was then used to steal sensitive customer information. Vercel's investigation revealed that the hackers exploited the compromised account to gain unauthorized access to customer data. The exact nature and scope of the stolen data have not been disclosed. This incident highlights the potential risks associated with supply chain attacks, where a breach at one company can have a ripple effect and compromise the security of other organizations. The theft of customer data at Vercel matters to practitioners because it underscores the importance of implementing robust security measures to prevent and respond to such incidents.