Atlassian is updating its supported TLS cipher suites for webhook requests beginning August 23, 2023, aiming to bolster HTTPS security in line with industry standards. While most users will not experience any disruptions, a small number may encounter TLS-related errors.
- TLS cipher suites for webhook requests updated from August 23, 2023
- Change aims to strengthen HTTPS security and compliance with industry standards
- Minor user impact possible with connection errors on unsupported ciphers
What happened
Atlassian announced an update to the Transport Layer Security (TLS) cipher suites supported for webhook requests originating from its cloud infrastructure. These changes take effect on August 23, 2023, and involve removing support for older, weaker cipher suites to enhance security in webhook communications.
The update applies to Atlassian Cloud products, including Bitbucket and Jira integrations, and is part of an ongoing initiative to align their security settings with broader industry standards. While the vast majority of users will likely see no change, there is a chance some webhook connections may experience TLS handshake errors if clients continue using deprecated ciphers.
Why it matters
TLS cipher suites govern how encryption is established between web clients and servers, directly affecting data confidentiality and integrity. Older cipher suites can be vulnerable to attacks, so updating to more secure options reduces risk exposure for users of Atlassian’s webhook services.
For teams relying on automated webhooks for integrations or data syncing, maintaining strong encryption is critical to prevent unauthorized data access or interception. This move also reassures customers that Atlassian prioritizes security compliance, which is especially important given the sensitive nature of development and project management workflows handled via their platforms.
What to watch next
Organizations using Atlassian Cloud’s webhook functionality should verify their endpoint configurations to ensure compatibility with the newly supported TLS cipher suites. Monitoring for TLS-related errors post-update is advisable, and updating client infrastructure or libraries might be necessary to comply with the enhanced security standards.
Atlassian plans continued improvements across security protocols, so users should stay informed of future announcements. Additionally, the introduction of webhook secrets in Bitbucket Cloud, providing signed payloads, further strengthens security by authenticating webhook sources, signaling ongoing investments in securing webhook interactions.