Curl-url-http-3a-2f-2f169.254.169.254-2flatest-2fapi-2ftoken

Never assign an admin role to an EC2 instance. Rotate roles frequently.

curl-url-http-3A-2F-2F169.254.169.254-2Flatest-2Fapi-2Ftoken curl-url-http-3A-2F-2F169.254.169.254-2Flatest-2Fapi-2Ftoken

curl http://169.254.169.254/latest/api/token Never assign an admin role to an EC2 instance

However, as security best practices evolve, so does the service. The transition from IMDSv1 to means that simply querying curl http://169.254.169.254/latest/meta-data/ often results in a 401 Unauthorized error. as security best practices evolve

The keyword curl-url-http-3A-2F-2F169.254.169.254-2Flatest-2Fapi-2Ftoken is more than a technical curiosity. It is a and a blue team alarm bell .