2026-06-28 · aws-security
AWS Security published new guidance on preventing data exfiltration from cloud workloads using egress controls. The post focuses on reducing the paths attackers can use to move sensitive data out of an environment after gaining access.
AWS detailed how organizations can use egress controls to limit unauthorized outbound traffic from cloud workloads. The guidance highlights that protecting data is not only about blocking initial access, but also about preventing attackers from removing or staging valuable information once inside.
Data exfiltration turns a security incident into a business crisis because attackers can leak, sell, or extort against copied records even if systems are restored. For regulated organizations, copied customer data can also trigger legal, notification, and compliance costs.
Offline cold storage does not replace egress controls, but it limits the blast radius when cloud credentials or workloads are compromised. Keeping critical recovery copies and high-value secrets offline gives teams a clean restoration path that attackers cannot reach through normal network routes.
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