Amazon Glacier is very low cost, secure and durable data archiving and long term backup solution. It provides high security and compliance capabilities that meets most of the archival requirements for many companies. Glacier can store data in 3 different ways that allows data retrieval from a few minutes to a few hours. Glacier is very cheap and 1GB of data can be stored for as low as 0.4 cents.
Glacier has introduced a new select command that allows querying parts of the data using SQL and only return the required data.
Glacier is very reliable and scalable and provides 11 9s durability. Data in Glacier is stored in 3 different availability zones within the same region. Data can also be automatically replicated in multiple regions.
Glacier can be integrated with AWS CloudTrail to log, monitor and retain storage API call activities for auditing. Glacier also supports various security standards and compliance certifications including SEC Rule 17a-4, PCI-DSS, HIPAA/HITECH, FedRAMP, EU Data Protection Directive, and FISMA that meets most customers needs.