Learn POWERSHELL with Real Code Examples

Use native cmdlets instead of external tools

Avoid unnecessary object conversions

Prefer pipeline filtering over Where-Object after

Use parallel processing via ForEach-Object -Parallel

Cache results when possible

Use Code Signing for scripts

Set restrictive execution policies

Use Just Enough Administration (JEA)

Secure credentials via Secret Management

Avoid plain-text passwords

Log analytics workspace integration

Event logs

Custom logging modules

Real-time telemetry

Audit logs

Use PSScriptAnalyzer

Follow PowerShell style guidelines

Write tests in Pester

Avoid Write-Host for output

Use strict mode