This video from AWS re:Invent 2023 explores backup and disaster recovery strategies for increased resilience. The speaker discusses key concepts like Recovery Point Objectives (RPO) and Recovery Time Objectives (RTO), and explains how cloud technology enables more cost-effective disaster recovery compared to traditional on-premises approaches. The presentation covers AWS services like Elastic Disaster Recovery and AWS Backup, detailing how they can be used to achieve aggressive recovery objectives while minimizing costs. There's also a focus on ransomware protection, emphasizing the importance of immutable backups and rapid detection. The speaker provides architectural diagrams and workflows to illustrate various disaster recovery and backup strategies, highlighting the flexibility and scalability offered by AWS services for different business needs and compliance requirements.