All Systems Operational

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Having trouble? Please do not hesitate to contact the Kudelski Security Cyber Fusion Center via phone or email.

👉🏼 EMEA: +41 58 317 77 77 or [email protected]
👉🏼 US: 1 (866) 929-3528 or [email protected]

The below is a log of past interruptions of Kudelski Security services.

Uptime over the past 90 days. View historical uptime.
Client Portal Operational
Client Portal API Operational
Monthly Reporting Operational
CFC Phone System Operational
Security Alert / Event Ingestion Pipeline / Managed System Access Operational
MDR ONE Operational
Vulnerability Scanning Operational
MDR One Resolute Operational
Operational
Degraded Performance
Partial Outage
Major Outage
Maintenance
Major outage
Partial outage
No downtime recorded on this day.
No data exists for this day.
had a major outage.
had a partial outage.

No incidents or maintenance related to this downtime.

Nov 3, 2026

Microsoft Sentinel API failures and delays in East US, East US 2, and West US regions
Resolved - The incident has been resolved and services are back to normal. We thank you for your patience and understanding.
Nov 3, 15:31 UTC
Monitoring - It seems that the issue has been fixed by Microsoft. We started to have again API access to Sentinel instance.
We will monitor the situation to confirm a full resolution.
Nov 3, 14:21 UTC
Update - Impacted regions has been update from Microsoft : Southeast Asia, East US, West US 2, West US 3, Canada Central, North Central US, Jio India West, Central US, Japan West, Australia Southeast, Qatar Central, Central India, East Asia, UAE Central, Canada East, West US, South Africa North, East US 2, Australia Central, Japan East, Korea South, Brazil South, West Central US, South Central US, Australia East, UAE North, Korea Central

The CFC continue to manually monitoring incidents in Sentinel console as API access is still not fixed by Microsoft and has extend this monitoring to the newly published list of impacted regions.

Last status from Microsoft :
We detected this issue through our automated service monitoring after identifying a significant increase in unsuccessful requests. Our investigation remains focused on a backend dependency that is not consistently starting and processing requests as expected, resulting in request failures and intermittent errors. We have applied several mitigation actions, including reverting a recent change, redeploying the affected components, and correcting supporting configuration; however, full recovery has not yet been confirmed. We are still validating the cause of the incident while working on mitigation workstreams to restore full service, including comparing diagnostic data from functioning and affected components and evaluating additional recovery actions.
Nov 3, 13:49 UTC
Update - Microsoft is still working on the issue, we will continue to monitor update from their side.

As a temporary solution, the CFC will start to monitor MS Sentinel incidents directly inside the MS Sentinel console for impacted clients.
This will allow to perform the monitoring in a best effort mode while MS fix this incident.
Nov 3, 09:09 UTC
Identified - Microsoft is currently experiencing Sentinel API failures and delays in East US, East US 2, and West US regions.
Microsoft EMEA customers are not impacted by this issue.

More information can be found here : https://app.azure.com/h/7H5N-XK8/d09a5a

We are currently following the incident and will update this page in the next 1 hour.
Nov 3, 07:51 UTC

Nov 2, 2026

No incidents reported.

Nov 1, 2026

No incidents reported.

Oct 31, 2026

No incidents reported.

Oct 30, 2026

Microsoft Sentinel Delays Across Multiple Regions
Resolved - Dear Customer,

We would like to inform you that the Microsoft Sentinel service issue affecting multiple Azure regions has now been resolved.

Affected Service: Microsoft Sentinel
Regions: Multiple Azure regions worldwide

Impact:
A subset of customers may have experienced delays in incident ingestion, processing, and incident status updates within Microsoft Sentinel.

Start Time:
28 October 2026, 09:52 UTC

Resolution Time:
28 October 2026, 18:10 UTC

Current Status:
Microsoft identified a significant increase in processing demand that exceeded available backend resources, resulting in processing backlogs and increased latency.

Microsoft implemented mitigation measures to reduce processing pressure and prioritize the recovery of accumulated backlogs. Service performance returned to expected levels at 18:10 UTC on 28 October 2026, and customer impact was confirmed as mitigated.

Next Steps:
Microsoft will conduct an internal retrospective and publish a Post-Incident Review (PIR) to impacted customers, generally within 14 days.

Thank you for your patience and understanding throughout this matter.

North America: 1-866-929-3528
EMEA: +41 58 317 77 77

Kind regards,
The Cyber Fusion Center
Oct 30, 09:06 UTC
Identified - Dear Customer,

We would like to inform you about an ongoing issue affecting the Microsoft Sentinel service across multiple regions.

Affected Service: Microsoft Sentinel
Regions: Multiple Azure regions worldwide

Impact:
A subset of customers may experience delays in incident ingestion, processing, and incident status updates within Microsoft Sentinel.

Start Time:
28 October 2026, 09:52 UTC

Current Status:
Microsoft has identified increased processing demand exceeding available resources in part of its infrastructure, resulting in processing backlogs and increased latency. Service performance initially improved following mitigation measures; however, a slight increase in backlog and processing delays has since been observed.

Microsoft is implementing additional mitigation measures to increase processing throughput and reduce the volume of data requiring processing, while continuing to monitor service health.

Next Update:
Microsoft will provide the next update within 6 hours, or sooner if significant developments occur.

Thank you for your patience and understanding throughout this matter.

North America: 1-866-929-3528
EMEA: +41 58 317 77 77

Kind regards,
The Cyber Fusion Center
Oct 29, 13:50 UTC

Oct 29, 2026

Oct 28, 2026

No incidents reported.

Oct 27, 2026

No incidents reported.

Oct 26, 2026

No incidents reported.

Oct 25, 2026

No incidents reported.

Oct 24, 2026

No incidents reported.

Oct 23, 2026

No incidents reported.

Oct 22, 2026

No incidents reported.

Oct 21, 2026

MDR One Resolute - Snowflake issue
Resolved - The incident has been resolved and services are back to normal. We thank you for your patience and understanding.
Oct 21, 21:38 UTC
Monitoring - The incident has been resolved, we have been able to confirm that data are now flowing again into MDR One Resolute.
We will monitor the situation to confirm full resolution.
Oct 21, 21:13 UTC
Update - We are still monitoring the situation of our partner Snowflake.

Current status: We're continuing to monitor the affected region, and we're seeing early signs of recovery. Affected services are recovering gradually, and we're working to confirm full restoration.
ETA: Our current estimate is that service will be restored within 1 hour.

We will update this page in the next 30 minutes.
Oct 21, 21:07 UTC
Update - We are still monitoring the situation of our partner Snowflake.

Current status: We've completed a configuration change to address the issue that we suspect caused the impact while we continue to investigate other potential factors. We're also monitoring the region for signs of recovery and are continuing to work on restoring full service.

We will update this page in the next 30 minutes.
Oct 21, 20:43 UTC
Update - We are still monitoring the situation of our partner Snowflake.

Current status: We've identified a configuration issue within the core systems which process requests in the impacted region that we suspect is contributing to impact, and we're further investigating this issue to confirm our findings and identify a method to restore service.

We will update this page in the next 30 minutes.
Oct 21, 20:08 UTC
Update - We are still monitoring the situation of our partner Snowflake.

Current status: We're continuing to investigate the core systems that process requests in the impacted region to assist us in isolating the root cause of this issue.

We were able to confirm that only our MDR One Resolute customer having their data ingested in EMEA are impacted.
We will update this page in the next 30 minutes.
Oct 21, 19:48 UTC
Identified - The cause of the incident has been identified and we are actively working on the resolution.

According to the information available right now, this incident is a global incident impacting Snowflake AWS Ireland.
More information can be found here : https://status.snowflake.com/incidents/bfh045zclk5k

We are currently investigating the incident impact and will update this page in the next 30 minutes.
Oct 21, 18:58 UTC
Investigating - We are experiencing a service degradation on Snowflake linked to MDR One Resolute. We are currently investigating the incident and will update this page in the next 30 minutes. Please trust all our teams are actively working to a swift resolution of the degradation.
Oct 21, 18:38 UTC

Oct 20, 2026

No incidents reported.

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