AWS Security Blog Add defense in depth against open firewalls, reverse proxies, and SSRF vulnerabilities with enhancements to the EC2 Instance Metadata Service July 27, 2021: We’ve updated the link to the 2019 re:Invent session on this topic. Since it first launched over 10 years ago, the Amazon EC2 Instance Metadata Service (IMDS) has helped customers build secure and scalable applications. The I