When Fixing Security Vulnerabilities Breaks Your Customer Email Program

In January 2026, Salesforce changed how its Marketing Cloud Engagement platform encrypts tracked email links. The fix addressed a vulnerability that could have exposed CloudPages content, such as landing pages, microsites, forms, subscriber data from preference and unsubscribe centers, and email content via web view links. But the fix created a new problem: All tracked … Continue reading When Fixing Security Vulnerabilities Breaks Your Customer Email Program