Hornetsecurity Outage History

Hornetsecurity degraded · 1 active incident View live status →

Hornetsecurity had 7 outages in the last 2 years totaling 661h 31m of downtime — averaging 0.3 incidents per month.

There were 7 Hornetsecurity outages since June 2, 2026 totaling 661h 31m of downtime. Each is summarised below — incident details, duration, and resolution information.

Source: https://status.hornetsecurity.com

Minor September 30, 2026

[HSE2026-09-I] Incident: Degraded Performance: Email Live Tracking

Detected by Pingoru
Sep 30, 2026, 06:54 AM UTC
Resolved
Sep 30, 2026, 01:20 PM UTC
Duration
6h 26m
Affected: Control PanelWebsite (Germany - Hannover)Teams Protection (Germany - Düsseldorf)Teams Protection (Germany - Frankfurt)
Timeline · 2 updates
  1. investigating Sep 30, 2026, 06:54 AM UTC

    The Email Live Tracking is only available with a degraded performance. The cause is currently being analyzed in more detail. Other services and email flow are not affected.

  2. monitoring Sep 30, 2026, 08:12 AM UTC

    The Email Live TrackinService is operational again. The incident is currently still being monitored.

Read the full incident report →

Minor September 13, 2026

[HSE20260913-01-I] Incident: Partial Service Disruption: 365 Total Backup Service (DE Region)

Detected by Pingoru
Sep 13, 2026, 10:48 AM UTC
Resolved
Sep 14, 2026, 07:36 AM UTC
Duration
20h 47m
Affected: 365 Total BackupTeams Protection (Germany - Frankfurt)
Timeline · 1 update
  1. identified Sep 13, 2026, 10:48 AM UTC

    The 365 Total Backup Service is partially disrupted for a small subset of tenants on the DE Region. The root cause has already been identified and our Technical Teams are currently working on a solution. We will keep this space updated as soon as we have an update on the progress. All other services and regions are not affected.

Read the full incident report →

Minor July 29, 2026

[HSE20260729-01-I] Incident: Partial Service Disruption: German Service Hotline

Detected by Pingoru
Jul 29, 2026, 09:53 AM UTC
Resolved
Jul 29, 2026, 11:26 AM UTC
Duration
1h 33m
Affected: Ticket SystemTicket System (Europe - West)
Timeline · 1 update
  1. investigating Jul 29, 2026, 09:53 AM UTC

    The German Support Hotlines are partially disrupted. The cause is currently being analyzed in more detail. If you want to reach the support please try our alternative number at +49 511 36734290 or send an email towards [email protected]. Other services and email flow are not affected.

Read the full incident report →

Minor June 2, 2026

Deferred emails to Microsoft Tenants

Detected by Pingoru
Jun 02, 2026, 02:48 PM UTC
Resolved
Jun 02, 2026, 11:06 PM UTC
Duration
8h 18m
Affected: Mail TrafficEmail OutboundEmail Outbound (Frankfurt)Email Outbound (Hannover)
Timeline · 2 updates
  1. investigating Jun 02, 2026, 02:48 PM UTC

    We observe reports of emails being deferred when the receiving Host is a Microsoft Tenant. From our current Observations this seems to only affect German M365 Tenants. The behavior can be identified by following SMTP Code: 421 4.3.2 The maximum number of concurrent connections per resource forest has exceeded a limit, closing transmission channel Affected emails are in the deferred state. We are trying to deliver inbound deferred emails for up to 7 days and outbound emails we are trying to deliver up to 24 hours. Other services are not affected.

  2. monitoring Jun 02, 2026, 03:32 PM UTC

    Microsoft is working to resolve the observed issue as soon as possible. More Details can be found here: https://admin.cloud.microsoft/#/servicehealth/:/alerts/EX1331830 We are monitoring the situation closely. Other services are not affected.

Read the full incident report →