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GCITS Security Guides

Warn users when an external email arrives with the same display name as someone in your organisation

Warn users when an email arrives from a sender with the same display name as someone in your organisation With...

Find all Inbox Rules that forward mail externally from Office 365 with PowerShell

Find all Inbox Rules that forward mail externally from Office 365 using PowerShell It’s a good idea to be aware...

Export a list of locations that Office 365 users are logging in from

Export a list of locations that Office 365 users are logging in from Many companies will have an idea of...

Enabling the Unified Audit Log on all delegated Office 365 tenants via PowerShell

Enabling the Unified Audit Log on all delegated Office 365 tenants via PowerShell What is the Office 365 Unified Audit...

How to protect your data with Information Rights Management in Office 365

How to protect your data with Information Rights Management in Office 365 In the past few months we’ve put together a few Data...

How to connect to delegated Office 365 tenants using the secure app model

Connect to delegated Office 365 tenants via PowerShell using the Secure App Model To increase security, Microsoft is requiring that...

Block Inbox Rules from forwarding mail externally in Office 365 using PowerShell

Block Inbox Rules from forwarding mail externally in Office 365 using PowerShell Auto-forwarding inbox rules can be used by hackers...

Enable mailbox auditing on all users for all Office 365 customer tenants

Enable mailbox auditing on all users for all Office 365 customer tenants To increase your Office 365 security score, it’s...

Find external forwarding mailboxes in Office 365 with PowerShell

Find external forwarding mailboxes in Office 365 with PowerShell This is the single Office 365 tenant version of this script....

Apply Office 365 Retention Policies to all customers via PowerShell and Delegated Administration

Apply Office 365 Retention Policies to all customers via PowerShell and Delegated Administration eDiscovery and Litigation Holds are being phased...

Find external forwarding mailboxes in all Office 365 customer tenants with PowerShell

Find external forwarding mailboxes in all Office 365 customer tenants with PowerShell   Hackers and rogue employees can set Office...

Monitor External Mailbox Forwards in all Office 365 Customer tenants

Monitor External Mailbox Forwards in all Office 365 Customer tenants It’s common for hackers and bad actors to set up...

Manage Office 365 customers’ security alerts with SharePoint, Microsoft Flow and Azure Functions

Manage Office 365 customers’ security alerts with SharePoint, Microsoft Flow and Azure Functions The Microsoft Graph Security API is an...

Add your domain name to trusted senders for all delegated Office 365 users

Add your domain name to trusted senders for all delegated Office 365 users This post is part of our series...

Check IT Glue passwords against Have I Been Pwned breaches

Check IT Glue passwords against Have I Been Pwned breaches Hackers will often use password spray attacks to gain access...

Sync Azure Active Directory Risk Events with a SharePoint list for all customer tenants

Sync Azure Active Directory Risk Events with a SharePoint list for all customer tenants According to Microsoft, the vast majority...

How to detect a breach in Microsoft 365

How to detect a breach in Microsoft 365 When an attacker gains access to your environment, there’s no incentive for...