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Perimeter firewall failover event during business hours

S24-2026-00479 · opened 07 Sep 2026, 01:58 AM · Network Incident

Priority

P2 · High

Status

In Progress

SLA

On Track

Channel

remote

The FortiGate 200F HA pair failed over to the secondary unit at 07:52. Primary unit is up but session pickup showed a 40-second interruption to internet-facing services.

Business impact

Brief interruption to online banking and card authorization traffic. Currently stable on secondary.

Affected users

900

Contact person

Farhan Chowdhury

Escalation level

L0

Activity timeline

  1. Ticket created

    07 Sep 2026, 01:58 AM · Farhan Chowdhury

  2. Acknowledged

    07 Sep 2026, 02:12 AM · SecureNet BD

  3. Log review started

    07 Sep 2026, 02:30 AM · Imran Kabir

SLA

Response target07 Sep 2026, 02:58 AM
Responded07 Sep 2026, 02:12 AM
Resolution target07 Sep 2026, 09:58 AM
Current stateOn Track

Affected asset

Perimeter Firewall — Fortinet FortiGate 200F

Head Office Data Center

Assigned engineer

Imran Kabir

Security Engineer

SecureNet BD

+880 1533 902114

imran.kabir@servicing24.com

Rating 4.6 / 5

Attachments

ha-event-crashlog.txt96 KB