[NeMo-DDoS-List] FW: [Geant NeMo] #251312 UPD CRIT: IUCC (AS378) - "4 alerts" [Customer] [IUCC] [Email_Analysis]

[Hank Nussbacher]

________________________________________
From: nemo-ddos at host.geant.org <nemo-ddos at host.geant.org>
Sent: Tuesday, June 9, 2026 6:50:31 AM (UTC+02:00) Jerusalem
To: soc at geant.org
Subject: [Geant NeMo] #251312 UPD CRIT: IUCC (AS378) - "4 alerts" [Customer] [IUCC] [Email_Analysis]

Aggregated 4 alerts. Upgraded to severity Critical.

Alert ID: 251312
Status: Open
Severity: Critical

Start Time: 2026-06-09 03:46:13
End Time: ongoing
Start Time (Europe/Berlin): 2026-06-09 05:46:13
End Time (Europe/Berlin): ongoing
Duration: 5 min

First Event Seen: 2026-06-09 03:44:00
Last Event Seen: 2026-06-09 03:49:00
Event Count: 24

Trigger: Multiple Alerts (ID 31)

Alert Description:
Aggregated 4 alerts.

Affected Objects:
        Type              Name       Event Count
---------------------------------------------------
Autonomoussystem    IUCC (AS378)          24

Child Alerts:
  Alert ID        Description
--------------------------------------
251328      High packet rate.
251305      High SYN packet rate.
251308      High ACK packet rate.
251344      High TCP packet rate.


Further Details:
https://secondary.nemo.geant.org/alerts/details/251312/

All times expressed in UTC.