Connect on Exchange On-line (Mac)

install powershell on a mac

brew install powershell
brew install openssl
pwsh
Install-Module -Name PowerShellGet
Install-Module -Name PSWSMan
sudo pwsh -Command 'Install-WSMan'

connect with a mac with an interactive logon

$ExchangeSession = Connect-ExchangeOnline

Change calendar time zone

Set-MailboxCalendarConfiguration -Identity peter@contoso.com -WorkingHoursTimeZone "Pacific Standard Time"

Connect on Microsoft Graph with powershell

Install the module

Install-Module Microsoft.Graph -Scope AllUsers   
Connect-MgGraph -TenantId "yourTenant GUID"

Connect

Install-Module Microsoft.Graph -Scope AllUsers   
Connect-MgGraph -TenantId "yourTenant GUID"

Mimikatz

invoke-mimikatz

Powershell Check installed applications

wmic product get name,vendor,IdentifyingNumber,Version,InstallDate

powershell check running services

wmic service get Caption,StartName,StartMode

Check installed drivers

driverquery /v

Check routes

route print

Check computer tasks

tasklist

systeminfo | find "System Boot Time:"

How to get date of last Windows update install or at least checked for an update?

gwmi win32_quickfixengineering |sort installedon -desc