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Censys Outage History

Uptime record, past incidents, and downtime history for Censys.

Checking current status...
76.1% uptime over 46 days
99.9% ✗ 99.5% ✗ 99% ✗ 95% ✗

90-Day Trend

Mar 28May 12

Monthly Uptime

Month Uptime Days Tracked Days with Issues
May 2026 41.7% 12 7
April 2026 93.3% 30 2
March 2026 50% 4 2

Uptime is calculated from daily worst-status snapshots. A day with any non-operational status counts as a day with issues.

Daily Status (Last 46 Days)

Mar 28 Today
Operational Degraded Partial Outage Major Outage Maintenance No Data

Incident History

May 2026
Inventory updates are delayed
major

Started: May 8, 6:14 PM

monitoring
Censys Engineering has mitigated the issue causing Attack Surface Management inventory updates from association and discovery to be delayed. We are monitoring jobs and expect that all inventory updates will land within ~5 hours.
May 8, 7:39 PM
investigating
Censys Engineering has detected an issue that will result in Attack Surface Management inventory updates from association and discovery being delayed. We are actively investigating the underlying cause.
May 8, 6:14 PM
Virtual Hosts Snapshot did not generate for 2026-05-05
major

Started: May 6, 2:36 PM

monitoring
The snapshot upload is continuing. The virtual hosts snapshot should become available to customers overnight.
May 7, 1:49 AM
monitoring
The replacement snapshot for 2026-05-05 has completed and is being uploaded to our cloud storage for customer access. We will update here once the snapshot is available.
May 6, 9:18 PM
identified
Censys Engineering is making forward progress on a mitigation for the underlying cause of the missed snapshot. We hope to be able to begin building the final snapshot within the next few hours.
May 6, 7:02 PM
identified
The underlying cause of the missed snapshot has been identified. The engineering team continues to work toward a resolution.
May 6, 3:48 PM
investigating
The virtual hosts snapshot for 2026-05-05 for Censys Data Downloads customers is delayed. Censys Engineering is investigating. We will update this status page when we have more information on when to expect the snapshot. Other datasets generated as usual for 2026-05-05. Only virtual hosts was affected.
May 6, 2:36 PM
Natural Language Search Query Generation Disruption
major

Started: May 4, 4:42 PM

monitoring
We’ve identified the issue and deployed a fix. Query generation is now functional, though performance is currently slower than expected.
May 4, 7:28 PM
identified
We are currently experiencing an issue where natural language inputs are not being converted into search queries. This affects both the search bar and the Censys Assistant, preventing users from generating queries using plain English. Our team is actively investigating and working to restore functionality.
May 4, 4:42 PM
Data Downloads are Unavailable
major

Started: May 1, 3:51 PM

monitoring
Our upstream provider has identified and mitigated the issue.
May 1, 4:53 PM
investigating
An upstream provider is investigating a Sev. 1 incident. We are in communication with the provider and will continue to provide updates as they become available.
May 1, 4:27 PM
investigating
The Censys Data Downloads product is currently returning HTTP 403 errors for all download requests. Censys Engineering is engaged and investigating.
May 1, 3:51 PM
April 2026
Intermittent errors from Platform and Search
major

Started: Apr 9, 3:28 PM

monitoring
Censys is continuing to monitor for ongoing customer impact, but none has been observed for several hours at this point. We will continue monitoring for the remainder of the day, but at this point our systems are considered operational.
Apr 9, 7:48 PM
identified
Censys Engineering is continuing to remediate degraded behavior in search queries. We're beginning to see backend systems recover, and are continuing to isolate root causes so we can be confident the system remains stable.
Apr 9, 4:54 PM
identified
Censys Engineering has identified an issue that will cause intermittent errors for customers when running searches on Censys Search and Censys Platform. Censys Platform, in particular, will report correctly formed queries as invalid. We've identified unexpected, increased load on backend systems as the cause and are working to remediate the issue.
Apr 9, 3:28 PM
March 2026
Censys Search Application Unreachable
major

Started: Mar 29, 11:16 AM

monitoring
Censys Search is once again available. We are moving to monitoring the service.
Mar 29, 1:43 PM
investigating
The Legacy Search application is currently unreachable. We are investigating.
Mar 29, 11:16 AM
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