Atlassian encrypts customer data in transit and at rest.
All customer data stored within Atlassian cloud products and services is encrypted in transit over public networks using Transport Layer Security (TLS) 1.2+ with Perfect Forward Secrecy (PFS) to protect it from unauthorized disclosure or modification.
Data drives on servers holding customer data and attachments in Jira Cloud, Confluence Cloud, Bitbucket Cloud, Statuspage, Opsgenie, Jira Align, Halp and Trello use full disk, industry-standard AES-256 encryption at rest.
To learn more, please see our Security Practices page.