Nowa fala phishingu na M365: co listopadowe raporty mówią małym i średnim firmom

microsoft 365 phishing
Microsoft 365 pozostaje jednym z najchętniej atakowanych ekosystemów na świecie. Aż 43% wszystkich prób phishingu podszywało się pod marki Microsoft. Głównie przez wzgląd na centralizację pracy, powszechność i ogromną liczbę kont usługowych oraz użytkowników końcowych. Zdecydowana większość kampanii nie jest dziś kierowana do korporacji, atakujący idą tam, gdzie konfiguracja jest słabsza, a reakcja wolniejsza. Duży wzrost liczby…

MFA obowiązkowe dla wszystkich użytkowników Microsoft 365 Admin Center

Microsoft Admin Center MFA wymagane
Microsoft kilka dni temu ogłosił, że od 3 lutego 2024 r. każdy administrator Microsoft 365 będzie musiał obowiązkowo skonfigurować uwierzytelnianie dwuskładnikowe. Zmiana będzie wprowadzana sukcesywnie na poziomie tenanta. Zanim jednak, wymóg wejdzie w życie, użytkownicy otrzymają powiadomienie wcześniej. Pomimo tego Microsoft zaleca jak najszybszą konfigurację w swoich organizacjach. MFA (Multi-Factor Authentication) to inaczej uwierzytelnianie dwuskładnikowe. Polega ono…

How to use Microsoft Secure Score to assess Office 365 security?

Microsoft Secure Score is a tool developed by Microsoft and designed to help organizations assess and improve the level of security in the Office 365 environment. It is an indicator of the level of security of our tenant and can be considered as a guide that indicates the actions to be taken to improve security. What is…

External email warning rule – Exchange Online

External email warning rule – Exchange Online
Many companies choose to include in the first line of an email a message indicating that the email comes from an external source. Such a notification might look like this: Adding such a banner at the top of an email serves as a reminder to employees to verify the sender, message content, and attachments. You can customize…

Search and remove mails in exchange accounts

Search and remove mails in exchange accounts
In this post, I will show you how to, in the case of receiving a spam message that has been sent to all accounts within our tenant, search for that message and remove it from the mailboxes. As I mentioned in the previous post, we first need to import the ExchangeOnline module and log in to PowerShell…

Search for ExchangeOnline mail rules – PowerShell

Search for ExchangeOnline mail rules – PowerShell
Today's post was inspired by a recent incident where a user clicked on a malicious link, logged in, and as a result, their login credentials were compromised. The attacker, upon gaining access to the mailbox (most likely through automation), creates rules that either delete specific emails, typically those from the IT department or the sender of the…

MS Teams – how to create org-wide communication channel

MS Teams – how to create org-wide communication channel
If you are in IT or in any other administrative team probably you have some situations when you need to inform all employees about something. It could information about some outage or just any other informational news. Instead of sending mail you can publish this info via teams. Below I will present a tutorial on how to…

Office365 Mailbox conversion – User Mailbox Shared Mailbox

Office365 Mailbox conversion – User Mailbox <-> Shared Mailbox
In a daily work I have needs to convert Ofice365 mailbox between user mailbox and shared mailbox. It could be needed after employee left or if we would need mailbox with ability to mail sending. The first difference between these types is that shared mailbox do not require license for office365. In addition, shared mailbox has limited…

MS Teams – new version

MS Teams – new version
Some days ago Microsoft published new preview version of MS Teams. New app is faster and more flexible. And.. for me there is as they wrote. Application is starting more faster and then windows iside application are switching also faster. I don't want focus here only on performance aspect but to show you how to from administrative…