Amazon GuardDuty is reducing the price of threat detection by adding an additional volume discount tier and further optimizing its CloudTrail analysis. Effective March 1, 2020, GuardDuty pricing for VPC Flow Log and DNS Log analysis now includes a new top discount tier of $0.15 per GB, representing a 40% reduction from the existing top discount tier of $0.25 per GB. This top discount tier is applicable to customers that generate more than 10,000 gigabyte (GB) per month in VPC Flow Log and DNS log analysis. The new pricing is now the following for US East (N. Virginia):  

Amazon Elastic Container Service (ECS) now supports updating Placement Strategy and Constraints for existing ECS services (in Preview). ECS customers can now update the placement strategies and constraints for their ECS services without having to recreate a service with the desired changes. This flexibility and control in managing the placement of service tasks helps customers save cost and reduce potential service downtime. 

Amazon Managed Apache Cassandra Service (MCS), a scalable, highly available, and managed Apache Cassandra–compatible database service, is now available in preview in 18 AWS Regions. 

You can now use Amazon Elastic Inference to accelerate inference and reduce inference costs for PyTorch models in Amazon SageMaker, Amazon EC2 and Amazon ECS. Enhanced PyTorch libraries for EI are available automatically in Amazon SageMaker, AWS Deep Learning AMIs, and AWS Deep Learning Containers, so you can deploy your PyTorch models in production with minimal code changes. Elastic Inference supports TorchScript compiled models on PyTorch. In order to use Elastic Inference with PyTorch, you must convert your PyTorch models into TorchScript and use the Elastic Inference API for inference. Today, PyTorch joins TensorFlow and Apache MXNet as a deep learning framework that is supported by Elastic Inference.

We are excited to announce the launch of Customizations for AWS Control Tower, a new reference implementation that makes it easy for customers to apply custom templates and policies to their AWS Control Tower landing zone.  

You can now tag your Amazon Virtual Private Cloud (VPC) flow logs. A tag is a simple label consisting of a user-defined key and an optional value that can be used to easily manage, categorize and search for your VPC flow log subscriptions based on purpose, owner, or other such criteria.  

Amazon Managed Apache Cassandra Service (MCS), a scalable, highly available, and managed Apache Cassandra–compatible database service, now helps you manage access to your keyspaces and tables by using AWS Identity and Access Management (IAM) roles and federated identities. 

Amazon Connect now supports claiming toll free and direct inward dial phone numbers in twelve new countries in the EU Central (Frankfurt) and EU West (London) regions. This enables you to provide local telephony support to end-customers in Bulgaria, Croatia, Cyprus, Estonia, Hungary, Georgia, Latvia, Lithuania, Luxembourg, Romania, Slovenia, and Turkey.

When using Amazon S3 Batch Operations you can now assign tags to jobs to label and manage access to create and edit permissions. S3 Batch Operations is an S3 feature that lets you perform repetitive or bulk actions like copying objects or running AWS Lambda functions across millions of objects with a single request. You provide the list of objects, and S3 Batch Operations handles the repetitive work, including managing retries and displaying progress.  

Starting today, Amazon EC2 x1e.32xlarge instance size is available in South America (Sao Paulo) AWS region.