Blesslin Rinu

How to Manage Mail Users in Exchange Online

External collaboration helps organizations expand their business reach by working closely with vendors, partners, and collaborators. Microsoft supports this through two types of external entities: Mail contacts and Mail users (also known as mail-enabled users). Although both appear in the Global Address List (GAL) and have external email addresses, mail users stand out because they have sign-in credentials to access resources. However, this added access can become a security risk if not managed properly. For instance, an inactive mail user... Read More Read More

Manage PIM Policies in Microsoft Entra Using PowerShell

Granting privileged access such as the Global Administrator role for project work is common, especially when external expertise is involved. However, once the project ends, this access is often overlooked and left in place. This increases the risk of privilege misuse, audit gaps, and compliance issues.  Microsoft Entra Privileged Identity Management (PIM) policies help prevent this. They let you set expiration periods, require multifactor authentication (MFA) or approval, and notify the right people when roles are activated.  In this blog,... Read More Read More

How to Manage Channel Policies in Microsoft Teams

Microsoft Teams gives users and owners a lot of freedom to create channels. That’s great for collaboration, but without limits, this can become a security risk. Imagine a user creates a private channel and shares sensitive information without any admin oversight. Since private channels are hidden from the rest of the team, this lack of visibility can lead to data leaks, policy violations, or unintentional shadow IT. Without proper controls, these channels can turn into blind spots for IT admins. ... Read More Read More

Detect Sensitive Content During Screen Sharing in Microsoft Teams Meetings

Microsoft Teams Meetings make it easy to collaborate with internal and external users for exchanging financial data, project updates, and more. This convenience also introduces serious risks, such as accidental exposure of sensitive content during screen sharing! ⚠️   As part of enhancing Microsoft Teams security, a new Teams Premium feature has been introduced to detect sensitive content during screen sharing. 🔍   This blog explains how admins can set up sensitive content detection in Teams meetings to protect sensitive... Read More Read More