The document announces several new AWS security services that were revealed at re:Invent 2019, including Amazon S3 Access Points for managing data access, IAM Access Analyzer for identifying accessible resources, Amazon CodeGuru for finding code issues, Amazon Fraud Detector for fraud detection, Amazon Detective for security investigations, and AWS Nitro Enclaves for isolated execution environments. It also provides links to re:Invent workshop and presentation pages related to security topics.