THIS IS A SCHEDULED EVENT Oct <var data-var='date'>14</var>, <var data-var='time'>01:00</var> - <var data-var='time'>03:00</var> UTC Sep <var data-var='date'>18</var>, <var data-var='time'>13:40</var> UTC Update - We will be undergoing scheduled maintenance during this time. Oct <var data-var='date'>15</var>, <var data-var='time'>01:00</var> UTC Scheduled - We will be performing maintenance on all region instances of KSAT on October 14, 2026 from 1:00 a.m. to 3:00 a.m. (UTC). During this maintenance, parts of KSAT may be unavailable for approximately 30 minutes.

KSAT - Planned Maintenance

THIS IS A SCHEDULED EVENT Oct <var data-var='date'>8</var>, <var data-var='time'>08:00</var> - <var data-var='time'>09:00</var> UTC Sep <var data-var='date'>29</var>, <var data-var='time'>17:56</var> UTC Scheduled - We will be performing maintenance on the AU region instances of Prevent, Protect, Secure Web Forms, and Secure Workspace on October 8th, 2026, from 8:00 a.m. to 9:00 a.m. (UTC). During this maintenance, users may experience up to 15 minutes of service disruption.

Prevent, Protect, Secure Web Forms, Secure Workspace - Planned Maintenance (AU)

THIS IS A SCHEDULED EVENT Oct <var data-var='date'>8</var>, <var data-var='time'>08:00</var> - <var data-var='time'>10:00</var> UTC Sep <var data-var='date'>28</var>, <var data-var='time'>14:08</var> UTC Scheduled - We will be performing maintenance on the US region instance of Secure Workspace on October 8th, 2026, from 8:00 a.m. to 10:00 a.m. (UTC). During this maintenance, users may experience up to 30 minutes of service disruption.

Secure Workspace - Planned Maintenance (US)

THIS IS A SCHEDULED EVENT Oct <var data-var='date'>7</var>, <var data-var='time'>19:00</var> - <var data-var='time'>20:00</var> UTC Sep <var data-var='date'>28</var>, <var data-var='time'>14:07</var> UTC Scheduled - We will be performing maintenance on the UK region instance of Secure Workspace on October 7th, 2026, from 7:00 p.m. to 8:00 p.m. (UTC). During this maintenance, users may experience up to 30 minutes of service disruption.

Secure Workspace - Planned Maintenance (UK)

THIS IS A SCHEDULED EVENT Oct <var data-var='date'>7</var>, <var data-var='time'>18:00</var> - <var data-var='time'>19:00</var> UTC Sep <var data-var='date'>28</var>, <var data-var='time'>14:06</var> UTC Update - We will be undergoing scheduled maintenance during this time. Sep <var data-var='date'>28</var>, <var data-var='time'>14:04</var> UTC Scheduled - We will be performing maintenance on the EU region instance Secure Workspace on October 7th, 2026, from 6:00 p.m. to 7:00 p.m. (UTC). During this maintenance, users may experience up to 30 minutes of service disruption.

Secure Workspace - Planned Maintenance (EU)

Oct <var data-var='date'> 2</var>, <var data-var='time'>10:32</var> UTC Resolved - This incident has been resolved. Sep <var data-var='date'>29</var>, <var data-var='time'>13:44</var> UTC Monitoring - We have identified an issue with the US instances of Prevent and Protect that has resulted in degraded performance. A fix has been implemented, and we will continue to monitor this issue. Sep <var data-var='date'>28</var>, <var data-var='time'>21:10</var> UTC Investigating - We are currently investigating an issue regarding degraded performance for Prevent and Protect on our US servers.

Prevent and Protect Degraded Performance (US Instances)

Sep <var data-var='date'>25</var>, <var data-var='time'>09:16</var> UTC Resolved - This incident has been resolved. Sep <var data-var='date'>24</var>, <var data-var='time'>21:46</var> UTC Monitoring - A fix has been implemented and we are monitoring the results. Sep <var data-var='date'>24</var>, <var data-var='time'>19:57</var> UTC Investigating - We have identified an issue with Protect & Prevent that has resulted in degraded performance, and our engineering team is looking into a fix. Sep <var data-var='date'>24</var>, <var data-var='time'>18:39</var> UTC Monitoring - We have identified an issue with Protect that has resulted in degraded performance. A fix has been implemented, and we will continue to monitor this issue. Sep <var data-var='date'>24</var>, <var data-var='time'>17:53</var> UTC Investigating - We have identified an issue with Protect that has resulted in degraded performance, and our engineering team is looking into a fix.

Protect & Prevent Degraded Performance - US

Sep <var data-var='date'>24</var>, <var data-var='time'>03:00</var> UTC Completed - The scheduled maintenance has been completed. Sep <var data-var='date'>24</var>, <var data-var='time'>01:00</var> UTC In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary. Sep <var data-var='date'>18</var>, <var data-var='time'>13:14</var> UTC Scheduled - We will be performing maintenance on all instances of KSAT on September 24, 2026 from 1-3 a.m. (UTC). During this maintenance window, you may see a delay in smart group enrollments and events being added to user timelines. Additionally, you may experience delays with the Modstore page loading.

Sep <var data-var='date'>23</var>, <var data-var='time'>20:00</var> UTC Completed - The scheduled maintenance has been completed. Sep <var data-var='date'>23</var>, <var data-var='time'>18:01</var> UTC In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary. Sep <var data-var='date'>17</var>, <var data-var='time'>15:40</var> UTC Scheduled - We will be performing maintenance work on the UK and EU Environments of Workspace on September 23rd, 2026 from 18:00 UTC to 20:00 UTC. During this maintenance window users may experience up to 15 minutes of downtime.

Planned Maintenance - Workspace VM Upgrade (UK and EU Instances)

Sep <var data-var='date'>23</var>, <var data-var='time'>19:00</var> UTC Completed - The scheduled maintenance has been completed. Sep <var data-var='date'>23</var>, <var data-var='time'>18:00</var> UTC In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary. Sep <var data-var='date'>14</var>, <var data-var='time'>19:48</var> UTC Scheduled - We will be performing maintenance on the EU and UK regions instances of Prevent, Protect, Secure Web Forms, and Secure Workspace on September 23rd, 2026, from 6:00 p.m. to 7:00 p.m. (UTC). During this maintenance, users may experience up to 15 minutes of service disruption.

Prevent, Protect, Secure Web Forms, Secure Workspace - Planned Maintenance (EU & UK regions)

Sep <var data-var='date'>23</var>, <var data-var='time'>14:58</var> UTC Resolved - This incident has been successfully resolved and all systems are fully operational. Sep <var data-var='date'>23</var>, <var data-var='time'>10:58</var> UTC Monitoring - The issue has been identified and a fix has been implemented and will update this page when we have more information. Sep <var data-var='date'>23</var>, <var data-var='time'>10:47</var> UTC Identified - The issue has been identified and a fix is been implemented. An update with more information will follow accordingly. Sep <var data-var='date'>23</var>, <var data-var='time'>09:00</var> UTC Investigating - We have received reports that some users are unable to successfully submit webform submissions. We are investigating this issue and will update this page when we have more information.

Webforms | Partial Submission Issue (UK only)

Sep <var data-var='date'>23</var>, <var data-var='time'>14:58</var> UTC Resolved - This incident has been successfully resolved and all systems are fully operational. Sep <var data-var='date'>23</var>, <var data-var='time'>10:57</var> UTC Monitoring - The issue has been identified and a fix has been implemented and will update this page when we have more information. Sep <var data-var='date'>23</var>, <var data-var='time'>09:52</var> UTC Identified - We have received reports of users receiving "Access Denied" error messages while trying to login. We have identified the issue and are working on implementing a solution and will update this page when we have more information.

Protect, Prevent, Workspace & Webforms | Intermittent login issues (UK only)

Sep <var data-var='date'>22</var>, <var data-var='time'>08:27</var> UTC Resolved - This incident has been successfully resolved and all systems are fully operational. Sep <var data-var='date'>21</var>, <var data-var='time'>14:38</var> UTC Update - We are continuing to monitor for any further issues. Sep <var data-var='date'>21</var>, <var data-var='time'>14:36</var> UTC Monitoring - We’ve implemented a fix and are monitoring the results. Sep <var data-var='date'>21</var>, <var data-var='time'>09:32</var> UTC Investigating - We have received reports that users are unable to send emails via Web Access (Secure Message Portal) in the UK region, with Error "503 Service Unavailable". We are investigating this issue and will update this page when we have more information.

Protect | Web Access - Error Sending Emails (UK Only)

Sep <var data-var='date'>18</var>, <var data-var='time'>16:48</var> UTC Resolved - This incident has been resolved. Sep <var data-var='date'>18</var>, <var data-var='time'>11:07</var> UTC Investigating - We have received reports that users are unable to login to the DE and UK instances of KSAT. We are investigating this issue and will update this page when we have more information.

KSAT - Unable to Login (DE and UK Only)

Sep <var data-var='date'>18</var>, <var data-var='time'>16:47</var> UTC Resolved - This incident has been resolved. Sep <var data-var='date'>18</var>, <var data-var='time'>14:02</var> UTC Investigating - We have received new reports of users being unable to login to the US instance of KSAT. We are investigating this issue and will update this page when we have more information. Sep <var data-var='date'>18</var>, <var data-var='time'>01:28</var> UTC Monitoring - We’ve implemented a fix and we’re monitoring the results to make sure no further issues occur. Sep <var data-var='date'>17</var>, <var data-var='time'>22:44</var> UTC Investigating - We have received reports that users are unable to login to the US instance of KSAT. We are investigating this issue and will update this page when we have more information.

KSAT - Unable to Login (US Only)

Sep <var data-var='date'>17</var>, <var data-var='time'>08:30</var> UTC Completed - The scheduled maintenance has been completed. Sep <var data-var='date'>17</var>, <var data-var='time'>08:00</var> UTC In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary. Sep <var data-var='date'>14</var>, <var data-var='time'>15:56</var> UTC Scheduled - We will be performing maintenance on the US and AU region instances of Prevent, Protect, Secure Web Forms, and Secure Workspace on September 17th, 2026, from 8:00 a.m. to 8:30 a.m. (UTC). During this maintenance, users may experience up to 15 minutes of service disruption.

Prevent, Protect, Secure Web Forms, Secure Workspace - Planned Maintenance (US & AU regions)

Sep <var data-var='date'>16</var>, <var data-var='time'>20:58</var> UTC Resolved - This incident has been resolved. Sep <var data-var='date'>16</var>, <var data-var='time'>18:16</var> UTC Monitoring - A fix has been implemented and we are monitoring the results. Sep <var data-var='date'>16</var>, <var data-var='time'>17:47</var> UTC Identified - We have identified an issue causing login and access issues for accounts on our UK instance.

Console Login/Access Issue - (UK Instance)

Sep <var data-var='date'>11</var>, <var data-var='time'>15:04</var> UTC Resolved - This incident has been resolved. Aug <var data-var='date'>17</var>, <var data-var='time'>21:02</var> UTC Update - We are continuing to monitor the implemented fix for the online store, to ensure that no further issues occur. Jul <var data-var='date'>29</var>, <var data-var='time'>18:40</var> UTC Monitoring - We’ve implemented a fix for the online store and we’re monitoring the results to make sure no further issues occur. Jul <var data-var='date'>20</var>, <var data-var='time'>18:24</var> UTC Investigating - We have received reports that customers are unable to purchase Protect licenses on store.knowbe4.com. We are investigating this issue and will update this page when we have more information. Jul <var data-var='date'>17</var>, <var data-var='time'>18:55</var> UTC Monitoring - We’ve implemented a fix and we’re monitoring the results to make sure no further issues occur. Jul <var data-var='date'>17</var>, <var data-var='time'>13:18</var> UTC Investigating - We are investigating users being unable to purchase Protect licenses on store.knowbe4.com. We will update this page when we have more information.

Protect blank purchasing page on store.knowbe4.com

Sep <var data-var='date'>10</var>, <var data-var='time'>03:00</var> UTC Completed - The scheduled maintenance has been completed. Sep <var data-var='date'>10</var>, <var data-var='time'>01:01</var> UTC In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary. Aug <var data-var='date'>31</var>, <var data-var='time'>17:44</var> UTC Update - We will be undergoing scheduled maintenance during this time. Aug <var data-var='date'>31</var>, <var data-var='time'>16:11</var> UTC Scheduled - We will be performing maintenance on Real-Time Coaching for all regions on September 10th, 2026 from 1:00 a.m. to 3:00 a.m. (UTC). During maintenance, Real-Time Coaching may experience delays for up to 30 minutes.

Real-Time Coaching - Planned Maintenance

Sep <var data-var='date'>10</var>, <var data-var='time'>02:00</var> UTC Completed - The scheduled maintenance has been completed. Sep <var data-var='date'>10</var>, <var data-var='time'>01:00</var> UTC In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary. Aug <var data-var='date'>25</var>, <var data-var='time'>12:08</var> UTC Scheduled - We will be performing maintenance on PhishER for all regions on September 10, 2026 from 1:00 a.m. to 2:00 a.m. (UTC). During maintenance, PhishER may be unavailable for up to 30 minutes.

PhishER - Planned Maintenance

Sep <var data-var='date'> 8</var>, <var data-var='time'>07:00</var> UTC Resolved - On Septermber 8th we made aware that inbound HTML emails rendered partially or blank in Classic Outlook due to a routine HTML library upgrade in Defend's harmful-code-removal engine interacting with Classic Outlook's legacy Word rendering engine. New Outlook and Outlook on the web were unaffected. This was strictly a display issue: no email was delayed, lost, or compromised, and threat detection remained fully active. Engineering has reverted the update to restore normal rendering. If you temporarily disabled harmful-code removal during this window, please re-enable it to ensure complete protection.

Defend | Emails Not Being Rendered in Classic Outlook

Sep <var data-var='date'> 7</var>, <var data-var='time'>08:25</var> UTC Resolved - This incident has been resolved. Sep <var data-var='date'> 4</var>, <var data-var='time'>14:24</var> UTC Monitoring - We have received reports that the issue with delivery of Email verification MFA for Workspace has been mitigated by Microsoft, and we are monitoring the results. Sep <var data-var='date'> 4</var>, <var data-var='time'>10:53</var> UTC Investigating - We have received reports of an issue with delivery of Email verification MFA for Workspace. We are investigating this issue and will update this page when we have more information.

Workspace | Email MFA Verification Issues

Aug <var data-var='date'>27</var>, <var data-var='time'>20:00</var> UTC Completed - The scheduled maintenance has been completed. Aug <var data-var='date'>27</var>, <var data-var='time'>18:00</var> UTC In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary. Aug <var data-var='date'>27</var>, <var data-var='time'>14:44</var> UTC Scheduled - We will be performing maintenance work on a subset of Secure Workspace instances in the UK region on August 27th, 2026. During this maintenance you may experience a service disruption of up to 15 minutes.

Secure Workspace Scheduled Maintenance (UK)

Aug <var data-var='date'>26</var>, <var data-var='time'>19:51</var> UTC Resolved - Our engineering team has implemented a fix for the issue that causing message processing delays in PhishER. Aug <var data-var='date'>26</var>, <var data-var='time'>16:46</var> UTC Monitoring - Our engineering team has implemented a fix for the issue that causing message processing delays in PhishER, and we are monitoring the results. Aug <var data-var='date'>26</var>, <var data-var='time'>16:19</var> UTC Investigating - We have identified an issue where users may experience delays in messages being processed, and our engineering team is looking into a fix.

PhishER - Message Processing Delays

Aug <var data-var='date'>25</var>, <var data-var='time'>20:00</var> UTC Completed - The scheduled maintenance has been completed. Aug <var data-var='date'>12</var>, <var data-var='time'>18:00</var> UTC In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary. Jul <var data-var='date'>31</var>, <var data-var='time'>17:00</var> UTC Scheduled - We will be performing maintenance work on a subset of Secure Workspace instances from August 12th to August 25th, 2026. During this maintenance, impacted instances may experience a service disruption of up to 15 minutes.

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Prevent and Protect Degraded Performance (US Instances)

Protect & Prevent Degraded Performance - US

KSAT - Planned Maintenance

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KSAT - Planned Maintenance

Prevent, Protect, Secure Web Forms, Secure Workspace - Planned Maintenance (AU)

Secure Workspace - Planned Maintenance (US)

Secure Workspace - Planned Maintenance (UK)

Secure Workspace - Planned Maintenance (EU)

Prevent and Protect Degraded Performance (US Instances)