> ## Documentation Index
> Fetch the complete documentation index at: https://docs.vortexiq.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Failed Logins (24h), Oracle Database KPI card, Vortex IQ Nerve Centre

> 'logon failures' delta from V$SYSSTAT (or DBA_AUDIT_SESSION when auditing is on). Bursts = brute force or stale app credentials.

**[Nerve Centre KPIs](/nerve-centre/kpi-cards/oracle) · [Audit Profile](/nerve-centre/kpi-cards/oracle/audit) · [Sentiment Settings](/nerve-centre/kpi-cards/oracle/sentiment)**

## At a glance

* **Category:** Errors
* **Type:** Supporting Metrics
* **Chart:** kpi
* **Format:** number
* **Time window:** 24h
* **Alert trigger:** >100

## Calculation

'logon failures' delta from V\$SYSSTAT (or DBA\_AUDIT\_SESSION when auditing is on). Bursts = brute force or stale app credentials.

## Known limitations

*Known limitations, FAQs, or reconciliation notes specific to this card. Replace this block when authored.*