-
Microsoft Teams to let admins block external users via Defender portal
Microsoft announced that security administrators will soon be able to block external users from sending messages, calls, or meeting invitations to members of their organization via Teams.
- December 24, 2025
- 11:22 AM
0
-
Nigeria arrests dev of Microsoft 365 'Raccoon0365' phishing platform
The Nigerian police have arrested three individuals linked to targeted Microsoft 365 cyberattacks via Raccoon0365 phishing-as-a-service.
- December 19, 2025
- 02:05 PM
0
-
New Webinar: Choose Your Own Investigation — Browser Attack Edition
Modern attacks have shifted focus to the browser, yet detection tools remain largely blind to the crucial activity happening there.
Join Push Security on February 11th for an interactive "choose-your-own-adventure" webinar on ClickFix, credential phishing, and other in-browser attacks we've observed in the wild.
-
Microsoft 365 accounts targeted in wave of OAuth phishing attacks
Multiple threat actors are compromising Microsoft 365 accounts in phishing attacks that leverage the OAuth device code authorization mechanism.
- December 19, 2025
- 12:19 PM
- 2
-
Microsoft to block Exchange Online access for outdated mobile devices
Microsoft announced on Monday that it will soon block mobile devices running outdated email software from accessing Exchange Online services until they're updated.
- December 16, 2025
- 07:53 AM
- 1
-
Microsoft 365 license check bug blocks desktop app downloads
Microsoft is investigating and working to resolve a known issue that prevents customers from downloading Microsoft 365 desktop apps from the Microsoft 365 homepage.
- December 04, 2025
- 08:18 AM
- 0
-
Microsoft is speeding up the Teams desktop client for Windows
Microsoft says it will add a new Teams call handler beginning in January 2026 to reduce launch times and boost call performance for the Windows desktop client.
- November 25, 2025
- 09:24 AM
- 3
-
Sneaky2FA PhaaS kit now uses redteamers' Browser-in-the-Browser attack
Sneaky2FA, a popular among cybercriminals phishing-as-a-service (PhaaS) kit, has added Browser-in-the-Browser (BitB) capabilities, giving "customers" the option to launch highly deceptive attacks.
- November 19, 2025
- 04:59 PM
- 0
-
Thunderbird adds native support for Microsoft Exchange accounts
Thunderbird 145 has been released with full native support for Microsoft Exchange email via the Exchange Web Services (EWS) protocol.
- November 18, 2025
- 05:09 PM
- 3
-
Microsoft: Windows bug blocks Microsoft 365 desktop app installs
Microsoft is working to resolve a known issue preventing users from installing the Microsoft 365 desktop apps on Windows devices.
- November 17, 2025
- 09:54 AM
- 0
-
Microsoft rolls out screen capture prevention for Teams users
Microsoft is rolling out a new Teams feature for Premium customers that will automatically block screenshots and recordings during meetings.
- November 13, 2025
- 08:50 AM
- 2
-
Quantum Route Redirect PhaaS targets Microsoft 365 users worldwide
A new phishing automation platform named Quantum Route Redirect is using around 1,000 domains to steal Microsoft 365 users' credentials.
- November 10, 2025
- 04:29 PM
- 0
-
OAuth Device Code Phishing: Azure vs. Google Compared
Device code phishing abuses the OAuth device flow, and Google and Azure produce strikingly different attack surfaces. Register for Huntress Labs' Live Hack to learn about attack techniques, defensive tactics, and get an Identity Security Assessment.
- November 03, 2025
- 10:11 AM
- 0
-
Microsoft promises more Copilot features in Microsoft 365 companion apps
Microsoft 365 companion apps will be getting more Copilot features in the coming weeks.
- October 30, 2025
- 07:42 AM
- 4
-
Microsoft: DNS outage impacts Azure and Microsoft 365 services
Microsoft is suffering an ongoing DNS outage affecting customers worldwide, preventing them from logging into company networks and accessing Microsoft Azure and Microsoft 365 services.
- October 29, 2025
- 12:49 PM
- 2
-
Microsoft sued for allegedly tricking millions into Copilot M365 subscriptions
The Australian Competition and Consumer Commission (ACCC) is suing Microsoft for allegedly misleading 2.7 million Australians into paying for the Copilot AI assistant in the Microsoft 365 service.
- October 28, 2025
- 01:59 PM
- 4
-
Microsoft fixes bug preventing users from opening classic Outlook
Microsoft has fixed a major bug preventing Microsoft 365 users from launching the classic Outlook email client on Windows systems.
- October 21, 2025
- 08:59 AM
- 1
-
Find hidden malicious OAuth apps in Microsoft 365 using Cazadora
Malicious OAuth apps can hide inside Microsoft 365 tenants. Huntress Labs' Cazadora script helps uncover rogue apps before they lead to a breach. Dive deeper in their Tradecraft Tuesday sessions.
- October 20, 2025
- 10:00 AM
- 0
-
Microsoft investigates outage affecting Microsoft 365 apps
Microsoft is investigating an ongoing incident that is preventing some customers from accessing Microsoft 365 applications.
- October 13, 2025
- 11:58 AM
- 0
-
Azure outage blocks access to Microsoft 365 services, admin portals
Microsoft is working to resolve an outage affecting its Azure Front Door content delivery network (CDN), which is preventing customers from accessing some Microsoft 365 services.
- October 09, 2025
- 08:38 AM
- 0
-
Microsoft 365 outage blocks access to Teams, Exchange Online
Microsoft is working to resolve an ongoing outage preventing users from accessing Microsoft 365 services, including Microsoft Teams, Exchange Online, and the admin center.
- October 08, 2025
- 02:35 PM
- 0
