Please see at the link Covid19 Trainings - Microsoft 365 security some very useful and important training and guidance to protect your remote working environment from internet hackers, phishers and scammers. You can access the link from your DkIT account. If asked to authenticate use your DkIT username & password. Please take the 15 minutes or so it takes to go through the training listed. It’s simple and informative.

To check whether you have your firewall activated follow the instructions at this link Turn Microsoft Defender Firewall on or off

Please raise a ticket at https://helpdesk.dkit.ie should you require any assistance from your local technician.