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Microsoft Defender for Office 365 Blog
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1,905

Use community queries to hunt more effectively across email and collaboration threats

Ajaj_Shaikh on Oct 09 2024 06:37 PM
Community queries enhance your threat-hunting capabilities, streamline investigation processes, and empower your SOC wit...
8,688

Improve end user resilience against QR code phishing

VipulPandey on Sep 10 2024 03:10 PM
Learn how you can improve your end users' resilience against QR code phishing with attack simulation and training in Mic...
8,701

How your submissions to Defender for Office 365 are processed behind-the-scenes

Dhairyya_Agarwal on Sep 04 2024 03:54 PM
Get an overview of what happens behind-the-scenes when you submit suspicious items for analysis in Defender for Office 3...
5,436

Secure architecture design – How Defender for Office 365 protects against EchoSpoofing

RossAdams on Aug 22 2024 02:10 PM
How Defender for Office 365 protects against Echospoofing
6,469

Automate Tenant Allow/Block List entries

SehrishKhan on Aug 08 2024 06:31 PM
Learn more about how the last used date for allowed or blocked entities in the Tenant Allow/Block List is updated and ho...
7,465

Announcing Microsoft Defender for Office 365 API’s for retrieving threat data and remediating emails

soumyamishra on Jul 31 2024 04:00 PM
A new Microsoft Defender for Office 365 API’s for retrieving threat data and remediating emails which will enable your s...
5,695

Announcing quarantine release integration in Microsoft Defender for Office 365 hunting experience!!

soumyamishra on Jul 29 2024 05:10 PM
This feature allows SecOps teams to define and better filter on messages with custom queries and take release action dir...
5,857

Introducing Bulk Senders Insight: Optimizing Bulk Email Management for Enterprises

Puneeth on Jul 29 2024 04:00 PM
Optimize your bulk email management with Bulk Senders Insights! Balancing promotional updates, targeted marketing, and o...
5,651

Automated end-user feedback response is now GA

SehrishKhan on May 23 2024 09:23 PM
Automated end-user feedback response in Defender for Office 365 is now GA! It enables you to automatically respond to en...
8,403

Email Protection Basics in Microsoft 365 Part Five: Mastering Overrides

SehrishKhan on May 14 2024 04:24 PM
This blog is part five in a series aimed at demystifying how email protection works in Microsoft 365.
5,044

Enhanced Response Action Experience from Threat Explorer

soumyamishra on May 08 2024 05:31 PM
SecOps now has the ability to submit, block, kick off investigations and delete emails in bulk with a single action form...
3,059

Attack Simulation Training is now available for GCC High and DoD customers

SehrishKhan on May 01 2024 04:00 PM
Announcing Attack Simulation Training for Department of Defense (DoD) and Government Community Cloud High (GCC High) env...
3,823

Copy simulations in Attack Simulation Training is now GA

SehrishKhan on Apr 16 2024 05:17 PM
Announcing a new feature in Attack Simulation Training where you can now copy an existing simulation and modify it to su...
3,302

Gone Phishing Tournament™ Takeaways

Clare_Ouyang on Apr 08 2024 04:00 PM
Microsoft partnered with Fortra’s Terranova Security in October 2023 once again to kick off the annual Gone Phishing Tou...
19.5K

Hunting and responding to QR code-based phishing attacks with Defender for Office 365

Ajaj_Shaikh on Apr 01 2024 03:00 PM
Microsoft Defender for Office 365 has introduced several enhancements to its investigation, hunting and response capabil...
3,444

Announcing persistent views and UX enhancements in Threat Explorer

Ajaj_Shaikh on Mar 06 2024 05:00 PM
Refining the user interface and functionality in threat Explorer to provide a more intuitive, responsive, and seamless e...
8,340

Permissions Management: Defender XDR's RBAC Walkthrough for Microsoft Defender for Office 365

Marina_Kidron on Mar 05 2024 05:00 PM
True Least privilege Permission Model for Microsoft Defender for Office 365 Permissions
5,613

Updates to Configuration Analyzer in Microsoft defender for Office 365

nithinnara on Feb 28 2024 04:30 PM
New recommendations, new flyout view with more details about recommendations and ability to export.
5,492

Learn more about LinkedIn Smart Link Phish Campaigns

SehrishKhan on Jan 31 2024 10:02 PM
Learn about what are Smart Links and how threat actors are actively using Slinks in a new form of phishing campaigns. in...
10.1K

Train your users to be more resilient against QR code phishing

Clare_Ouyang on Jan 16 2024 06:29 PM
Protect your organization to recognize QR Code attacks with our new training content
67.4K

Protect your organizations against QR code phishing with Defender for Office 365

UrjaGandhi on Dec 12 2023 08:12 PM
QR code phishing campaigns have most recently become the fastest growing type of email-based attack. These types of atta...
5,839

Enhanced action experience (Action wizard V2) from Email entity / Summary panel

soumyamishra on Nov 21 2023 05:30 PM
“Take actions” experience in the Email Entity and Email Summary panel that will allow users to have efficient resolution...
33.9K

Authenticate Outbound Email to Improve Deliverability

SehrishKhan on Oct 17 2023 05:41 PM
Learn why email authentication is more important than ever for sending email from Microsoft 365 and Exchange Online Prot...
7,340

Test your team’s security readiness with the Gone Phishing Tournament

Clare_Ouyang on Sep 25 2023 06:19 PM
Save your spot and sign up for Fortra's Terranova Security annual Gone Phishing Tournament 2023: October 9-27, 2023
8,239

Send "How-to guides" to your organization from Attack Simulation training

Clare_Ouyang on Aug 22 2023 04:12 PM
Attack Simulation Training now includes an exciting new feature: "How-to Guides" that can be sent to users to provide in...
6,495

Announcing the availability of in-product guidance!

Ben_Harris on Aug 01 2023 06:18 PM
Learn more about the latest in product improvements to supercharge your adoption and understanding of Microsoft Defender...
23.8K

Announcing New DMARC Policy Handling Defaults for Enhanced Email Security

SehrishKhan on Jul 31 2023 03:47 PM
Today we are announcing important changes to our DMARC policy handling that affects both consumer and enterprise custome...
11.3K

SANS training content now available within Attack Simulation Training!

Clare_Ouyang on Jun 29 2023 02:28 PM
We are introducing 12 new security essentials training for IT admins from SANS for Attack Simulation Training
9,275

Threat Explorer: UX enhancements, URL clicks tab and customizable export

SehrishKhan on May 30 2023 07:05 PM
New Threat Explorer V3 by Microsoft Defender for Office 365 with improved user experience to detect and investigate pote...
18.4K

Responding to targeted mail attacks with Microsoft 365 Defender

AlexanderZ on May 11 2023 05:22 PM
Spear phishing campaign is a type of attack where phishing emails are tailored to specific organization, organization’s ...

Latest Comments

HanssieH
in Build custom email security reporting with Microsoft Defender for Office 365 and PowerBI on Oct 11 2024 10:51 AM
Can you update this article and example with the new graph security API
0 Likes
VipulPandey
in Improve end user resilience against QR code phishing on Sep 24 2024 02:53 PM
Hi @jwatt130 - thanks for sharing your feedback. We had identified the issue with Chris's payload, which was caused by the Send a Test workflow. I have reached out to you offline to discuss your payload sample.
0 Likes
jwatt130
in Improve end user resilience against QR code phishing on Sep 19 2024 04:09 PM
We are also getting "ping successful" with a phish sim using QR codes.
0 Likes
HathMH
in Build custom email security reporting with Microsoft Defender for Office 365 and PowerBI on Sep 17 2024 04:16 PM
These look great. Amazing dashboards for various metrics. I'm fairly new to M365 and not familiar at all with Power Bi. I have a lot of work to do to get these.
0 Likes
Sascha_Mettler_CH
in How your submissions to Defender for Office 365 are processed behind-the-scenes on Sep 17 2024 03:02 PM
I second @PeterForster and in terms of compliance and possible highly sensitive content of those messages it would be preferred, if not mandatory to stay within the selected region as EXO etc. >> Still if due to your privacy preferences, you feel that the data should be stored in your region, please...
0 Likes