AWS News Blog

Matheus Guimaraes

Author: Matheus Guimaraes

Matheus Guimaraes (@codingmatheus) is a digital transformation specialist focused on AI adoption and microservices architecture. An international keynote speaker with over 20 years in tech, he’s worn many hats: from junior game programmer to CTO and tech co-founder. Matheus has helped companies of all sizes modernize and scale their systems, leading transformation programs and designing cloud-native, AI-ready architectures. Today, he shares his expertise globally through talks, blogs, and videos, passionate about helping others grow in the industry. Outside his professional life, he’s a gamer, swimmer, musician, and firm believer in the powerful intersection of creativity and technology.

Introducing attribute-based access control for Amazon S3 general purpose buckets

AWS introduces Attribute-Based Access Control (ABAC) for S3 general purpose buckets, enabling administrators to automatically manage permissions through tag-based policies that match tags between users, roles, and buckets—eliminating the need to constantly update IAM policies as organizations scale.

Introducing Claude Sonnet 4.5 in Amazon Bedrock: Anthropic’s most intelligent model, best for coding and complex agents

Amazon Web Services announces Claude Sonnet 4.5 in Amazon Bedrock, featuring advanced capabilities in coding, tool handling, and long-horizon tasks, with improvements in memory management, context processing, and industry-specific applications across finance, research, and cybersecurity sectors.

AWS Weekly Roundup

AWS Weekly Roundup: Amazon S3 updates, Bedrock AgentCore, AWS X-Ray smart sampling, and more (September 29, 2025)

Wow, can you all believe it? We’re nearing the end of the year already. Next thing you know, AWS re:Invent will be here! This is our biggest event that takes place every year in Las Vegas from December 1st to December 5th where we reveal and release many of the things that we’ve been working […]

AWS Weekly Roundup

AWS Weekly Roundup: AWS Builder Center, Amazon Q, Oracle Database@AWS, and more (July 14, 2025)

Summer is well and truly here in the UK! I’m a bit of a summer grinch though so, unlike most people, I’m not crazy about “the glorious sun” scorching me when I’m out and about. On the upside, this provides the perfect excuse to retreat to the comfort of a well-ventilated room where I can […]