There are several AWS services that can help you achieve high availability and disaster recovery in the cloud securely. Here are some key services:

1. Amazon Elastic Compute Cloud (EC2)

EC2 provides resizable compute capacity in the cloud, allowing you to quickly scale your applications based on demand. By using EC2 instances across multiple Availability Zones (AZs), you can achieve high availability for your applications. Additionally, EC2 instances can be backed up using Amazon Machine Images (AMIs) to facilitate disaster recovery.

2. Amazon Relational Database Service (RDS)

RDS offers managed database services for various database engines such as MySQL, PostgreSQL, and Oracle. RDS enables you to create multiple read replicas and set up automated backups, ensuring high availability and data durability. With RDS, you can easily restore your databases in case of a disaster.

3. Amazon Simple Storage Service (S3)

S3 provides highly scalable object storage with industry-leading durability. By replicating data across multiple AZs, S3 ensures high availability and data resilience. You can also enable versioning and cross-region replication to protect against accidental deletions and regional disasters.

4. Amazon Route 53

Route 53 is a scalable domain name system (DNS) web service that routes users to the most appropriate resources. It supports health checks and automatic failover, allowing you to achieve high availability for your applications. Route 53 also integrates with other AWS services like EC2, ELB, and S3.

5. Amazon Elastic Load Balancer (ELB)

ELB distributes incoming traffic across multiple EC2 instances to ensure high availability and fault tolerance. It automatically detects unhealthy instances and redirects traffic to healthy ones. By using ELB in conjunction with EC2 instances across multiple AZs, you can achieve a highly available and scalable architecture.

These are just a few examples of AWS services that can help you achieve high availability and disaster recovery in the cloud securely. It's important to design your architecture based on your specific requirements and leverage additional services like AWS CloudFormation and AWS Backup to automate and manage your infrastructure.

For more information, you can refer to the official AWS documentation:

• Amazon EC2
• Amazon RDS
• Amazon S3
• Amazon Route 53
• Amazon ELB