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Qualys Outage History

Every past Qualys outage tracked by IsDown, with detection times, duration, and resolution details.

There were 1080 Qualys outages since December 2019. The 209 outages from the last 12 months are summarized below, with incident details, duration, and resolution information.

Minor May 22, 2026

May 2026: IN Platform 1: Qualys UI Login Issue [IM-12668]

Detected May 22, 2026 9:25 PM EDT · Resolved May 24, 2026 3:46 AM EDT · Duration 1 day

Qualys IN Platform 1 experienced login issues and failures in the Vulnerability Management (VM) and Policy Audit (PA) modules, while other features like API scans and reports continued functioning normally. Users were provided a temporary workaround login link during the 30.4-hour outage. The incident was resolved after implementing a fix and monitoring the results.

Major May 21, 2026

May 2026: US Platform 1: WAS Scan Failures (IM-12667)

Detected May 21, 2026 10:44 AM EDT · Resolved May 21, 2026 2:13 PM EDT · Duration about 3 hours

Qualys US Platform 1 experienced a major incident where Web Application Scanning (WAS) scans failed to launch due to scanner unavailability. The issue affected the WAS service for 3.5 hours before being resolved. A fix was implemented and monitored before the incident was fully resolved.

Minor May 20, 2026

May 2026: EU Platform 2: Delay in VM Scan Processing [IM-12659]

Detected May 20, 2026 8:46 AM EDT · Resolved May 26, 2026 11:05 AM EDT · Duration 6 days

Qualys EU Platform 2 experienced delays in VM scan processing that prevented scan data from appearing promptly in the UI and Reports, affecting both Vulnerability Management and Cloud Agent components. The incident lasted approximately 146 hours (about 6 days) before being resolved with an implemented fix. Users experienced delayed availability of their vulnerability scan results during this period.

Minor May 18, 2026

May 2026: US Platform 1: Slowness Loading PA UI (IM-12655)

Detected May 18, 2026 10:01 AM EDT · Resolved May 18, 2026 2:45 PM EDT · Duration about 5 hours

The Qualys US Platform 1 experienced slow performance issues affecting the Policy Audit/Policy Compliance (PA/PC) module, causing delays when customers attempted to log in and load the PA interface. The incident lasted 4.7 hours before a fix was implemented and monitoring confirmed resolution.

Minor May 18, 2026

May 2026: AE Platform 1: Slowness Loading VMDR UI (IM-12654)

Detected May 18, 2026 6:23 AM EDT · Resolved May 18, 2026 2:45 PM EDT · Duration about 8 hours

Qualys AE Platform 1 experienced performance issues that caused slow login times for Qualysguard FO and delayed loading of the VMDR dashboard, affecting the Vulnerability Management component. Scan processing and API functionality remained unaffected during the incident. The issue was resolved after 8.4 hours with a fix implementation and monitoring period.

Minor May 17, 2026

May 2026: EU Platform 3: VM and PC Scheduled scans are not getting triggered (IM-12653)

Detected May 17, 2026 4:37 PM EDT · Resolved May 17, 2026 5:09 PM EDT · Duration 32 minutes

Qualys EU Platform 3 experienced an issue where scheduled VM and PC scans failed to trigger, while on-demand scans continued to work normally. The incident affected the Vulnerability Management and Policy Compliance components for 32 minutes before being resolved with a fix implementation.

Minor May 14, 2026

May 2026: EU Platform 2: Unable to load Appliances tab in VMDR [IM-12647]

Detected May 14, 2026 5:24 AM EDT · Resolved May 14, 2026 10:30 AM EDT · Duration about 5 hours

The Appliances tab in Qualys VMDR on the EU Platform 2 was not loading, preventing users from accessing appliance management functionality. The Vulnerability Management component was affected for 5.1 hours while the platform operations team investigated and implemented a fix. The incident was resolved after the fix was successfully deployed.

Minor May 13, 2026

May 2026: EU Platform 2: Delay in VM Scan Processing [IM-12643]

Detected May 13, 2026 9:44 AM EDT · Resolved May 16, 2026 12:57 AM EDT · Duration 3 days

Qualys EU Platform 2 experienced delays in VM scan processing that prevented scan data from appearing promptly in the UI and Reports. The incident affected the Vulnerability Management service for 63.2 hours before being resolved with an implemented fix. Users experienced delays in accessing their vulnerability scan results during this period.

Minor May 13, 2026

May 2026: US Platform 2 : Delay in VM Scan Processing [IM-12642]

Detected May 13, 2026 7:28 AM EDT · Resolved May 14, 2026 3:48 AM EDT · Duration about 20 hours

Qualys US Platform 2 experienced delays in VM/PC scan processing that prevented scan data from appearing promptly in the UI and Reports for approximately 20 hours. The issue was identified as being limited to the US2 POD's VM scan processing functionality. A fix was implemented and monitored before the incident was fully resolved.

Minor May 10, 2026

May 2026: US Platform 4: Cloud/Connector Functionality Impacted (IM-12637)

Detected May 10, 2026 5:47 AM EDT · Resolved May 10, 2026 11:05 AM EDT · Duration about 5 hours

Qualys US Platform 4 experienced a 5.3-hour outage affecting Cloud Connector functionality, preventing users from creating, running, or listing connectors. The incident impacted Connector Centralization and Total Cloud components before being resolved with a fix that was monitored for stability.