The document summarizes recent security announcements and features from AWS re:Invent 2018. It discusses AWS KMS custom key stores for managing encryption keys, new interactive log analytics capabilities in Amazon CloudWatch Logs Insights, and the Amazon S3 Block Public Access setting. It also summarizes a keynote on AWS' pace of innovation in security in 2018, including the launches of AWS Control Tower for centralized security management and AWS Security Hub for unified security findings from multiple AWS accounts.