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    Sine outage history

    52 recorded Sine incidents since November 2017, with official updates, affected components, duration and resolution information.

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    PHP Vulnerabilities update

    Started October 23, 2026 at 4:27 AM UTC · Ongoing

    Pending
    1. October 23, 2026 at 4:27 AM UTCmonitoring

      We are aware of the recently disclosed PHP vulnerabilities (CVEs) and have conducted a thorough review of our environment. Sine does not use PHP anywhere within our platform. As a result, our products and core services are completely unaffected by these vulnerabilities, and no action is required for your use of the Sine platform. However, as a security best practice, we recommend reviewing any of your own external systems or third-party integrations that connect to Sine to ensure they are not running vulnerable versions of PHP. We take security seriously and will continue to monitor the landscape to keep your data safe.

    Disruption with email services

    Started July 29, 2026 at 7:30 AM UTC · 23h 44m

    OutageMajor incident
    Affected components
    Sendgrid Email Gateway
    1. July 29, 2026 at 8:23 AM UTCidentified

      We are currently experiencing issues with our upstream email provider. We are investigating the cause and will update as we have further information.

    2. July 29, 2026 at 11:04 PM UTCidentified

      We have identified the root cause and are continuing to work closely with our upstream email provider to resolve the issue. Please note that mobile push notifications are unaffected and continue to function as normal.

    3. July 30, 2026 at 12:45 AM UTCmonitoring

      The issue has been mitigated, and we are closely monitoring the situation as email sending functionality is restored.

    4. July 30, 2026 at 7:11 AM UTCmonitoring

      We are continuing to monitor for any further issues.

    5. July 30, 2026 at 7:14 AM UTCresolved

      We can confirm that email services are now fully operational.

    Disruption with email services

    Started July 29, 2026 at 6:30 AM UTC · 0m

    Pending
    1. July 29, 2026 at 8:21 AM UTCresolved

      We are currently experiencing issues with our upstream email provider. We are investigating the cause and will update as we have further information.

    Major network outage

    Started July 8, 2026 at 3:56 AM UTC · 23h 5m

    OutageMajor incident
    Affected components
    SinePoint iPad App (iOS)Twillio SMS Gateway
    1. July 8, 2026 at 3:56 AM UTCmonitoring

      We are aware of a Telstra network outage currently causing disruption to our service. Telstra has reported progress toward resolving the issue, and our team is actively monitoring the situation to confirm full stability once it's restored. We appreciate your patience and will provide updates as we learn more — please let us know if you continue to experience issues in the meantime.

    2. July 9, 2026 at 3:01 AM UTCresolved

      This incident has been resolved.

    Disruption delivering to Yahoo email services

    Started May 22, 2026 at 12:01 AM UTC · 3d 0h

    Pending
    1. May 22, 2026 at 12:01 AM UTCinvestigating

      We are currently experiencing issues delivering email to Yahoo services. We will update as we have more information.

    2. May 22, 2026 at 5:04 AM UTCidentified

      The issue has been identified and a fix is being implemented.

    3. May 25, 2026 at 12:40 AM UTCresolved

      This incident has been resolved.

    Apple VPP (Volume Purchase Program) / MDM Outage

    Started April 16, 2026 at 6:24 AM UTC · 18h 35m

    IssuesMinor incident
    Affected components
    SinePoint iPad App (iOS)
    1. April 16, 2026 at 6:24 AM UTCinvestigating

      Some MDM customers may experience an error or delay with receiving a SinePoint Pro update or app installation. We are working with Apple to return service to normal. You can follow their updates here: https://www.apple.com/au/support/systemstatus/

    2. April 17, 2026 at 12:59 AM UTCresolved

      This incident has been resolved.

    CM3 Integration Issues

    Started February 15, 2026 at 10:11 PM UTC · 9d 1h

    Pending
    Affected components
    Sine Core
    1. February 15, 2026 at 10:11 PM UTCinvestigating

      We are investigating an issue with the CM3 integration providing false negatives, resulting in passes being rejected incorrectly.

    2. February 15, 2026 at 10:40 PM UTCidentified

      CM3 have confirmed an issue on their end. We are awaiting further updates.

    3. February 16, 2026 at 1:04 AM UTCmonitoring

      CM3 have deployed a fix and we are monitoring the results.

    4. February 25, 2026 at 12:09 AM UTCresolved

      The CM3 Integration has been stabilised. Additional logging and alerts have been added to assist with future CM3 events.

    Microsoft 365 users seeing delayed email delivery from Sine

    Started January 22, 2026 at 10:16 PM UTC · 23h 25m

    Pending
    Affected components
    Sendgrid Email Gateway
    1. January 22, 2026 at 10:16 PM UTCinvestigating

      Microsoft is currently experiencing issues affecting Microsoft 365 services, including problems with email delivery to and from Microsoft 365 accounts (Exchange Online). Recent reports indicate a service degradation or outage impacting inbound and outbound email functionality. Users have encountered errors such as "451 4.3.2 Temporary server error" when attempting to send or receive emails, along with intermittent failures in email delivery. Please see https://status.cloud.microsoft/m365/ for more information We will continue to monitor the issue and Sine emails will retry sending at regular intervals

    2. January 23, 2026 at 9:41 PM UTCinvestigating

      We are continuing to investigate this issue.

    3. January 23, 2026 at 9:41 PM UTCresolved

      https://status.cloud.microsoft/m365/ now lists the incident as resolved

    Marketing website interruption

    Started November 6, 2025 at 6:16 AM UTC · 40m

    Pending
    1. November 6, 2025 at 6:16 AM UTCinvestigating

      We are aware of an issue with our marketing website, https://www.sine.co/ and are investigating the causes This does not affect the functionality of the Sine products

    2. November 6, 2025 at 6:40 AM UTCmonitoring

      Our marketing website, https://www.sine.co/ is now fixed and we will monitor the issue This did not affect the functionality of the Sine products

    3. November 6, 2025 at 6:55 AM UTCresolved

      Our marketing website, https://www.sine.co/ is now fixed

    Service Advisory: AWS Incident Impacting Downstream Services

    Started October 20, 2025 at 9:32 AM UTC · 2h 38m

    OutageMajor incident
    Affected components
    Twillio SMS Gateway
    1. October 20, 2025 at 9:32 AM UTCinvestigating

      We are currently observing an ongoing incident with AWS that is affecting multiple downstream services, including our SMS provider. Our team is actively monitoring the situation and will provide updates as more information becomes available.

    2. October 20, 2025 at 9:33 AM UTCmonitoring

      A fix has been implemented and we are monitoring the results.

    3. October 20, 2025 at 12:10 PM UTCresolved

      The AWS incident has been mitigated, and affected services — including our SMS provider — are now recovering. We continue to monitor the situation closely to ensure full stability and will provide further updates if necessary.

    Pass signatures blacked-out in check-in forms

    Started October 9, 2025 at 12:37 AM UTC · 6d 0h

    Pending
    Affected components
    SinePoint iPad App (iOS)
    1. October 9, 2025 at 12:37 AM UTCinvestigating

      We are currently investigating an issue related to blacked-out visitor signatures visible on passes when viewed via the Sine dashboard. We believe this is related to a compatibility issue on Sinepoint Pro devices running iOS 26. Please do not update your devices to this version until this issue is resolved.

    2. October 9, 2025 at 3:24 AM UTCidentified

      The issue has been identified and a fix is being implemented.

    3. October 10, 2025 at 12:38 AM UTCmonitoring

      A fix has been released and we are monitoring the results. Please upgrade to the latest version of SinePoint Pro if you are encountering this issue.

    4. October 15, 2025 at 1:32 AM UTCresolved

      This incident has been resolved.

    SinePoint Pro disconnecting after software update

    Started July 15, 2025 at 3:52 AM UTC · 6d 2h

    Pending
    Affected components
    SinePoint iPad App (iOS)
    1. July 15, 2025 at 3:52 AM UTCinvestigating

      We are currently investigating an issue related to displays that have automatically been disconnected. This seems to apply to displays that were using the legacy username and password based authentication method and were automatically updated to SinePoint Pro version 2.9.0. If you encounter this problem, please restart the SinePoint Pro app and follow the instructions in the link below to reconnect your display. Whilst this investigation is ongoing we have paused automatic updates to managed devices. https://sine.support/en/articles/5990514-connecting-an-ipad-display-using-the-quick-connect-method

    2. July 16, 2025 at 2:52 AM UTCidentified

      We have identified the root cause of the issue and will be releasing an update to SinePoint Pro shortly.

    3. July 18, 2025 at 3:07 AM UTCmonitoring

      The SinePoint Pro update has been released. We will continue to monitor its impact on this issue.

    4. July 21, 2025 at 6:22 AM UTCresolved

      This incident has been resolved.

    SinePoint Pro printing blank badges

    Started April 1, 2025 at 11:58 PM UTC · 23h 44m

    IssuesMinor incident
    Affected components
    SinePoint iPad App (iOS)
    1. April 1, 2025 at 11:58 PM UTCinvestigating

      We have multiple reports of SinePoint Pro printing badges with no content (blank). We are investigating the issue.

    2. April 2, 2025 at 1:29 AM UTCmonitoring

      The issue has been identified and a fix deployed. We will continue to monitor the impact and work to mitigate any further issues.

    3. April 2, 2025 at 11:42 PM UTCresolved

      No further issues have been observed. We will continue to monitor and improve reliability of the feature.

    Outlook Add-in connection issues

    Started March 19, 2025 at 4:54 AM UTC · 4d 21h

    Pending
    1. March 19, 2025 at 4:54 AM UTCidentified

      We're aware of some users of the Sine for Outlook add-in having connection problems due to Microsoft's phasing out of legacy authentication tokens. An updated version of the add-in will be released soon. For troubleshooting assistance, please see the support documentation: https://sine.support/en/articles/5950232-sine-for-outlook-add-in

    2. March 24, 2025 at 2:02 AM UTCresolved

      This incident has been resolved.

    Dashboard stuck loading

    Started February 26, 2025 at 1:33 AM UTC · 21h 31m

    OutageMajor incident
    Affected components
    Sine CompaniesSine WorkflowsSine Core
    1. February 26, 2025 at 1:33 AM UTCinvestigating

      An issue has been identified where the Dashboard gets stuck in a loading state for some users. We are investigating the issue and will provide an update soon.

    2. February 26, 2025 at 3:32 AM UTCmonitoring

      A networking issue has been identified and a temporary fix has been deployed, which has circumvented the issue. We will continue to monitor whilst implementing a more permanent fix.

    3. February 26, 2025 at 11:05 PM UTCresolved

      The issue has been resolved. We will continue to monitor and make incremental improvements to prevent similar issues in the future.

    Some mobile checkouts failing

    Started February 6, 2025 at 8:18 AM UTC · 15h 33m

    IssuesMinor incident
    Affected components
    Sine Mobile App (Android)Sine Mobile App (iOS)
    1. February 6, 2025 at 8:18 AM UTCinvestigating

      Some user's of the Sine Pro mobile app are unable to check out from their device. Our engineers are investigating to identify the root cause.

    2. February 6, 2025 at 10:43 AM UTCidentified

      The issue has been identified as impacting sites with linked forms. A fix is in the process of being tested and rolled out.

    3. February 6, 2025 at 12:46 PM UTCmonitoring

      We have deployed a fix and are monitoring the impact.

    4. February 6, 2025 at 11:51 PM UTCresolved

      The issue has been resolved. Both iOS and Android app users can successfully check out.

    Some emails being blocked by SpamCop

    Started January 21, 2025 at 6:15 AM UTC · 19h 53m

    Pending
    Affected components
    Sendgrid Email Gateway
    1. January 21, 2025 at 6:15 AM UTCidentified

      Some emails sent by Sine are being blocked by SpamCop, an independent service that attempts to determine if emails are legitimate before delivering to recipients. We are working with SpamCop to overcome the block. Please consider whitelisting Sine emails to ensure deliverability. See here for more information: https://www.spamcop.net/bl.shtml?167.89.68.46

    2. January 22, 2025 at 2:08 AM UTCresolved

      The issue has been addressed by SpamCop and services have been restored. To avoid this issue in the future, please consider whitelisting Sine emails to ensure deliverability. See here for more information: https://sine.support/en/articles/2103291-firewall-rules-and-whitelisting

    Some iPad check-ins requiring email or mobile when both should be optional

    Started October 2, 2024 at 3:16 AM UTC · 1d 4h

    Pending
    Affected components
    SinePoint iPad App (iOS)
    1. October 2, 2024 at 3:16 AM UTCidentified

      When a site requires neither email nor mobile upon check-in, Sine Point Pro (iPad app) currently enforces at least one to be specified. The issue has been identified and a fix is in progress.

    2. October 3, 2024 at 1:33 AM UTCmonitoring

      A new version of SinePoint Pro (iPad app) has been released. Please update to the latest version. We will continue to monitor for any further issues.

    3. October 3, 2024 at 7:28 AM UTCresolved

      This incident has been resolved.

    Disruption with email services

    Started September 10, 2024 at 9:36 AM UTC · 1h 25m

    IssuesMinor incident
    Affected components
    Sine CompaniesSendgrid Email GatewaySine WorkflowsSine Core
    1. September 10, 2024 at 9:36 AM UTCinvestigating

      We are currently experiencing issues with our upstream email provider. We are investigating the cause and will update as we have further information.

    2. September 10, 2024 at 10:31 AM UTCmonitoring

      We have identified the upstream cause and are monitoring.

    3. September 10, 2024 at 11:02 AM UTCresolved

      This incident has been resolved.

    Some check-ins showing incorrect visitor details

    Started August 15, 2024 at 7:31 AM UTC · 21h 9m

    IssuesMinor incident
    Affected components
    Sine Core
    1. August 15, 2024 at 7:31 AM UTCidentified

      Our team have identified a small number of check-in events that are displaying incorrect data. These events are linked to visits, on both iPad and dashboard, that use a verified mobile number that was previously used by a different visitor/contractor. Our team are aware of the issue and are implementing a fix.

    2. August 15, 2024 at 8:32 AM UTCmonitoring

      A fix has been implemented and we are monitoring the results.

    3. August 16, 2024 at 4:40 AM UTCresolved

      The issue has been resolved. We will continue to monitor the results.