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Imperva has a partial disruption.

Imperva has a partial disruption affecting Dallas 2, TX (DAL): September 2026 and CDN and WAF Management and 1 more.

Signal updated 20m ago · Sep 17, 2026, 9:15 PM UTC

DegradedOfficial signal: minor

Current incident · started Sep 17, 2026, 6:57 PM UTC

[INC-1135] Service Degradation Causing Intermittent DNS Resolution Issues

We are currently investigating an issue that may cause intermittent DNS resolution failures for some customers. Our teams are actively investigating the issue and working to identify the cause and restore consistent DNS resolution. We will provide further updates as more information becomes available.

Affected surface

Components

113 components
Auckland, New Zealand (AKL)APAC PoPs / Auckland, New Zealand (AKL)Operational
North American PoPs17 componentsOperational
Third Party ServicesThird Party Services / Third Party ServicesOperational
Bogota, Colombia (BOG)LATAM PoPs / Bogota, Colombia (BOG)Operational
Support Ticketing SystemAdditional services / Support Ticketing SystemOperational
Cloud Security Management PlatformManagement and Analytics Services / Cloud Security Management PlatformOperational
Cloud WAF ProtectionProtection Services / Cloud WAF ProtectionOperational
us-east1 regionImperva for Google Cloud (IGC) Regions / us-east1 regionOperational
Ashburn, VA (WDC)North American PoPs / Ashburn, VA (WDC)Operational
Atlanta, GA (ATL)North American PoPs / Atlanta, GA (ATL)Operational
EMEA PoPs20 componentsOperational
Buenos Aires, Argentina (EZE)LATAM PoPs / Buenos Aires, Argentina (EZE)Operational
Bangkok, Thailand (DMK)APAC PoPs / Bangkok, Thailand (DMK)Operational
Support Phone SystemsAdditional services / Support Phone SystemsOperational
Cloud Security Management Configuration ChangesManagement and Analytics Services / Cloud Security Management Configuration ChangesOperational
Web Application PerformanceProtection Services / Web Application PerformanceOperational
us-east4 regionImperva for Google Cloud (IGC) Regions / us-east4 regionOperational
Amsterdam, Netherlands (RTM)EMEA PoPs / Amsterdam, Netherlands (RTM)Operational
Dallas 2, TX (DAL): September 2026Coming Soon / Dallas 2, TX (DAL): September 2026Maintenance
LATAM PoPs7 componentsOperational
Hanoi, Vietnam (HAN)APAC PoPs / Hanoi, Vietnam (HAN)Operational
Lima, Peru (LIM)LATAM PoPs / Lima, Peru (LIM)Operational
Barcelona, Spain (BCN)EMEA PoPs / Barcelona, Spain (BCN)Operational
Documentation PortalAdditional services / Documentation PortalOperational
Account and User ManagementManagement and Analytics Services / Account and User ManagementOperational
IGC WAF ProtectionProtection Services / IGC WAF ProtectionOperational
us-east5 regionImperva for Google Cloud (IGC) Regions / us-east5 regionOperational
APAC PoPs17 componentsOperational
Cape Town, South Africa (CPT)EMEA PoPs / Cape Town, South Africa (CPT)Operational
Chicago 2, IL (CHI)North American PoPs / Chicago 2, IL (CHI)Operational
Hong Kong (HHK)APAC PoPs / Hong Kong (HHK)Operational
CDN and WAF ManagementManagement and Analytics Services / CDN and WAF ManagementDegraded
Cloud L7 DDoS ProtectionProtection Services / Cloud L7 DDoS ProtectionOperational
us-central1 regionImperva for Google Cloud (IGC) Regions / us-central1 regionOperational
New York 3, NY (JFK): September 2026Coming Soon / New York 3, NY (JFK): September 2026Maintenance
Copenhagen, Denmark (CPH)EMEA PoPs / Copenhagen, Denmark (CPH)Operational
Jakarta, Indonesia (JKT)APAC PoPs / Jakarta, Indonesia (JKT)Operational
Queretaro, Mexico (QRO)LATAM PoPs / Queretaro, Mexico (QRO)Operational
API Security ManagementManagement and Analytics Services / API Security ManagementOperational
Login ProtectProtection Services / Login ProtectOperational
Imperva for Google Cloud (IGC) Regions5 componentsOperational
europe-west1 regionImperva for Google Cloud (IGC) Regions / europe-west1 regionOperational
Chicago 3, IL (MDW)North American PoPs / Chicago 3, IL (MDW)Operational
Dallas, TX (DFW)North American PoPs / Dallas, TX (DFW)Operational
Rio de Janeiro, Brazil (RIO)LATAM PoPs / Rio de Janeiro, Brazil (RIO)Operational
Dubai, UAE (DWC)EMEA PoPs / Dubai, UAE (DWC)Operational
Network DDoS ManagementManagement and Analytics Services / Network DDoS ManagementOperational
File Upload Scan and ProtectProtection Services / File Upload Scan and ProtectOperational
Jakarta 2, Indonesia (HLP)APAC PoPs / Jakarta 2, Indonesia (HLP)Operational
Kuala Lumpur, Malaysia (KUL)APAC PoPs / Kuala Lumpur, Malaysia (KUL)Operational
Denver, CO (DEN)North American PoPs / Denver, CO (DEN)Operational
Dublin, Ireland (DUB)EMEA PoPs / Dublin, Ireland (DUB)Operational
Protection Services15 componentsOperational
Protected DNSProtection Services / Protected DNSOperational
DNS protection ManagmentManagement and Analytics Services / DNS protection ManagmentOperational
Detroit, MI (DET)North American PoPs / Detroit, MI (DET)Operational
Dusseldorf, Germany (DUS)EMEA PoPs / Dusseldorf, Germany (DUS)Operational
Santiago, Chile (STC)LATAM PoPs / Santiago, Chile (STC)Operational
Melbourne, Australia (MEB)APAC PoPs / Melbourne, Australia (MEB)Operational
Management and Analytics Services16 componentsPartial disruption
ABP ManagementManagement and Analytics Services / ABP ManagementOperational
Managed DNSProtection Services / Managed DNSOperational
Manila, Philippines (MNL)APAC PoPs / Manila, Philippines (MNL)Operational
Houston, TX (HOU)North American PoPs / Houston, TX (HOU)Operational
Additional services3 componentsOperational
Account Takeover Protection ManagementManagement and Analytics Services / Account Takeover Protection ManagementOperational
L3/4 IP ProtectionProtection Services / L3/4 IP ProtectionOperational
Frankfurt, Germany (HHN)EMEA PoPs / Frankfurt, Germany (HHN)Operational
Third Party Services1 componentsOperational
Sao Paulo, Brazil (SAO)LATAM PoPs / Sao Paulo, Brazil (SAO)Operational
Istanbul, Turkey (SAW)EMEA PoPs / Istanbul, Turkey (SAW)Operational
Mumbai, India (NAG)APAC PoPs / Mumbai, India (NAG)Operational
Los Angeles, CA (SNA)North American PoPs / Los Angeles, CA (SNA)Operational
Client-Side Protection ManagementManagement and Analytics Services / Client-Side Protection ManagementOperational
L3/4 Network DDoS ProtectionProtection Services / L3/4 Network DDoS ProtectionOperational
New Delhi, India (NDL)APAC PoPs / New Delhi, India (NDL)Operational
Coming Soon2 componentsMaintenance
Johannesburg, South Africa (QRA)EMEA PoPs / Johannesburg, South Africa (QRA)Operational
Waiting Room ManagementManagement and Analytics Services / Waiting Room ManagementOperational
Advanced BOT ProtectionProtection Services / Advanced BOT ProtectionOperational
Miami, FL (FLL)North American PoPs / Miami, FL (FLL)Operational
Osaka, Japan (OSK)APAC PoPs / Osaka, Japan (OSK)Operational
Montreal, Canada (YUL)North American PoPs / Montreal, Canada (YUL)Operational
London, UK (LCY)EMEA PoPs / London, UK (LCY)Operational
Runtime Protection DeploymentManagement and Analytics Services / Runtime Protection DeploymentOperational
API SecurityProtection Services / API SecurityOperational
New York 1, NY (NYC)North American PoPs / New York 1, NY (NYC)Operational
Seoul, South Korea (KOR)APAC PoPs / Seoul, South Korea (KOR)Operational
London 2, UK (LHR)EMEA PoPs / London 2, UK (LHR)Operational
SIEM LogsManagement and Analytics Services / SIEM LogsOperational
Account Takeover ProtectionProtection Services / Account Takeover ProtectionOperational
Madrid, Spain (MAD)EMEA PoPs / Madrid, Spain (MAD)Operational
New York 2, NY (EWR)North American PoPs / New York 2, NY (EWR)Operational
Events PageManagement and Analytics Services / Events PageOperational
Client-Side ProtectionProtection Services / Client-Side ProtectionOperational
Singapore (XSP)APAC PoPs / Singapore (XSP)Operational
Sydney, Australia (SYD)APAC PoPs / Sydney, Australia (SYD)Operational
Milan, Italy (MXP)EMEA PoPs / Milan, Italy (MXP)Operational
San Jose, CA (SFO)North American PoPs / San Jose, CA (SFO)Operational
Attack AnalyticManagement and Analytics Services / Attack AnalyticOperational
Waiting RoomProtection Services / Waiting RoomOperational
Seattle, WA (SEA)North American PoPs / Seattle, WA (SEA)Operational
Taipei, Taiwan (TSA)APAC PoPs / Taipei, Taiwan (TSA)Operational
Paris, France (PAR)EMEA PoPs / Paris, France (PAR)Operational
IP ReputationManagement and Analytics Services / IP ReputationOperational
Stockholm, Sweden (STO)EMEA PoPs / Stockholm, Sweden (STO)Operational
Toronto, Canada (TOR)North American PoPs / Toronto, Canada (TOR)Operational
Tokyo, Japan (NRT)APAC PoPs / Tokyo, Japan (NRT)Operational
Tel Aviv, Israel (MED)EMEA PoPs / Tel Aviv, Israel (MED)Operational
Vancouver, Canada (VAN)North American PoPs / Vancouver, Canada (VAN)Operational
Vienna, Austria (GRZ)EMEA PoPs / Vienna, Austria (GRZ)Operational
Warsaw, Poland (WAR)EMEA PoPs / Warsaw, Poland (WAR)Operational
Zurich, Switzerland (GVA)EMEA PoPs / Zurich, Switzerland (GVA)Operational

3 of 103 affected

Official incident text

We are currently investigating an issue that may cause intermittent DNS resolution failures for some customers. Our teams are actively investigating the issue and working to identify the cause and restore consistent DNS resolution. We will provide further updates as more information becomes available.

Source text is preserved verbatim and paired with its retrieval time.

Last 30 days · Status timeline

What changed

10 updates
  1. Scheduled

    The Cloud Security Console and API will undergo an essential scheduled maintenance on October 11, 2026, between 13:00 and 17:00 UTC. During this maintenance window, customers may experience intermittent disruptions with the login service to the Management Console or sending API calls. Also, active user sessions may be interrupted, requiring users to sign in again. This might also impact attempts to reset passwords during the maintenance time frame. Customer sites will remain online and protected at all times. We appreciate your understanding and apologize for any inconvenience.

  2. Scheduled

    As part of our commitment to building a future-facing network, Imperva recently launched our Next Generation Architecture in the DAL - Dallas 2, TX PoP with improved capacity, connectivity, and services. This PoP is replacing our currently operational PoP in DFW – Dallas, TX. Imperva will be migrating all services and customer traffic from our DFW PoP to our DAL PoP, and decommissioning our DFW PoP during a scheduled maintenance window which will begin at Tuesday, September 22nd, 2026 at 05:00 UTC, completing by Wednesday, September 23rd, 2026 at 09:00 UTC. For Cloud WAF customers, Imperva will reroute traffic to an unaffected PoP in the region for the duration of the maintenance, with no expected interruption to Cloud WAF services. At the end of the maintenance, traffic will be serviced by the new PoP. DDoS Protection for Networks customers must ensure that the advertisement of their ranges via an alternate connection such as GRE tunnels or Cross-Connects is in place prior to the start of maintenance to avoid interruption of service. At the end of the maintenance, DDoS Protection traffic will be serviced by the new PoP. If Performance Monitoring is enabled on the connections, you will notice a change in the IP address of the PM servers that are sending ICMP echo messages. This might require you to modify ACL/firewall configurations to allow ICMP traffic from the new IPs. To learn more, see https://docs.imperva.com/bundle/cloud-application-security/page/network-ddos/performance-monitoring.htm

  3. Scheduled

    The Cloud Security Console will undergo a scheduled maintenance on October 04, 2026, between 05:00 and 07:00 UTC. During this maintenance window, customers may experience intermittent disruptions with the Management Console. Customer sites will remain online and protected at all times. We appreciate your understanding and apologize for any inconvenience.

  4. Investigating

    We are currently investigating an issue that may cause intermittent DNS resolution failures for some customers. Our teams are actively investigating the issue and working to identify the cause and restore consistent DNS resolution. We will provide further updates as more information becomes available.

  5. Investigating

    We continue to investigate intermittent DNS resolution issues that may affect a small number of requests. The issue is highly intermittent and remains limited in scope. Our teams are actively investigating the issue and working to identify the cause and ensure consistent DNS resolution. The next update on this issue will be shared no later than 20:10 UTC.

  6. Identified

    The issue has been identified, and our teams have confirmed the cause of the intermittent DNS resolution failures. The team is currently applying the mitigation in a controlled manner across the affected services. The issue remains intermittent and limited in scope. The next update on the issue will be shared no later that 20:20 UTC.

  7. Scheduled

    Maintenance on the Ashburn 2, VA data center will be performed on Monday, September 28th, 2026 at 03:00 UTC. We expect to complete the maintenance by Monday, September 28th, 2026 at 11:00 UTC. For Cloud WAF customers, Imperva will reroute traffic to the closest data center for the duration of the maintenance, with no expected interruption of Cloud WAF services. DDoS Protection for Networks customers must ensure that the advertisement of their ranges via alternate connection such as GRE tunnels and Cross-Connects is in place prior to the start of maintenance to avoid interruption of service. The link to Imperva's documentation can be found here: https://docs.imperva.com/bundle/cloud-application-security/page/network-ddos/maintenance-prep.htm

  8. Identified

    Mitigation efforts are continuing. We are seeing recovery as the targeted fix is progressively applied to the affected services. The next update on the issue will be shared no later than 20:55 UTC.

  9. Identified

    Mitigation and validation efforts are continuing. The team is closely monitoring the service while applying the targeted fix across the remaining affected systems and validating recovery. The next update on the issue will be shared no later than 21:25 UTC.

  10. Scheduled

    Maintenance on the Buenos Aires, Argentina data center will be performed on Friday, September 25th, 2026 at 04:00 UTC. We expect to complete the maintenance by Friday, September 25th, 2026 at 10:00 UTC. For Cloud WAF customers, Imperva will reroute traffic to the closest data center for the duration of the maintenance, with no expected interruption of Cloud WAF services. DDoS Protection for Networks customers must ensure that the advertisement of their ranges via alternate connection such as GRE tunnels and Cross-Connects is in place prior to the start of maintenance to avoid interruption of service. The link to Imperva's documentation can be found here: https://docs.imperva.com/bundle/cloud-application-security/page/network-ddos/maintenance-prep.htm