[NeMo-DDoS-List] FW: [Geant NeMo] #433207 UPD CRIT: IUCC (AS378) - "5 alerts" [IUCC] [Customer] [Email_Analysis]

[Hank Nussbacher]

________________________________________
From: nemo-ddos at host.geant.org <nemo-ddos at host.geant.org>
Sent: Tuesday, August 18, 2026 4:41:49 AM (UTC+02:00) Jerusalem
To: soc at geant.org
Subject: [Geant NeMo] #433207 UPD CRIT: IUCC (AS378) - "5 alerts" [IUCC] [Customer] [Email_Analysis]

Aggregated 5 alerts. Upgraded to severity Critical.

Alert ID: 433207
Status: Open
Severity: Critical

Start Time: 2026-08-18 01:37:42
End Time: ongoing
Start Time (Europe/Berlin): 2026-08-18 03:37:42
End Time (Europe/Berlin): ongoing
Duration: 4 min

First Event Seen: 2026-08-18 01:35:00
Last Event Seen: 2026-08-18 01:40:00
Event Count: 20

Trigger: Multiple Alerts (ID 15)

Alert Description:
Aggregated 5 alerts.

Affected Objects:
        Type              Name       Event Count
---------------------------------------------------
Autonomoussystem    IUCC (AS378)          20

Child Alerts:
  Alert ID            Description
----------------------------------------------
433205      Abnormal SYN:ACK packet ratio
433206      High packet rate
433208      High UDP packet rate
433209      High SYN packet rate
433210      High TCP packet rate


Further Details:
https://primary.nemo.geant.org/alerts/details/433207/

All times expressed in UTC.