Stefan Sellmer (@stefan0x531) 's Twitter Profile
Stefan Sellmer

@stefan0x531

Security Researcher @Microsoft - All tweets are my own!

ID: 181971309

calendar_today23-08-2010 14:15:53

190 Tweet

560 Followers

1,1K Following

Tomer Alpert (@tomerthefirst) 's Twitter Profile Photo

Downloads are so common in attacks... Want to see more info on them and do some hunting? Well, read July's hunting tip of the month: techcommunity.microsoft.com/t5/Threat-Inte… #WDATP #advancedhunting #DFIR

Alex Ionescu (@aionescu) 's Twitter Profile Photo

I know the focus is on Linux, but after clarifications from multiple sources, it would appear that this also protects ReactOS (an OIN member) from Windows patent issues. This is huge, and something I had been dreaming for more than a decade. Microsoft’s really changed.

Mehmet Iyigun (@mamyun) 's Twitter Profile Photo

We're beginning a series of posts about recent advancements we've made in the Windows Kernel. Here's the first one! insider.windows.com/en-us/articles…

Jakob F. (@sccm_cb) 's Twitter Profile Photo

Windows Sandbox is a new lightweight desktop environment tailored for safely running applications in isolation. techcommunity.microsoft.com/t5/Windows-Ker… #Windows10

Windows Sandbox is a new lightweight desktop environment tailored for safely running applications in isolation. techcommunity.microsoft.com/t5/Windows-Ker… #Windows10
Stefan Sellmer (@stefan0x531) 's Twitter Profile Photo

Friends of mine searching for a new colleague. Being an IT Infrastructure Engineer in an awesome team, sounds appealing? Then visit loga3-unternehmertum.odav.de/bewerber-web/?…

David Kaplan (@depletionmode) 's Twitter Profile Photo

msrc-blog.microsoft.com/2020/01/14/jan… To all Windows users everywhere - patch your systems now! (#MDATP and #WDAV have coverage for attempted exploitation of CVE-2020-0601).

msrc-blog.microsoft.com/2020/01/14/jan…

To all Windows users everywhere - patch your systems now!

(#MDATP and #WDAV have coverage for attempted exploitation of CVE-2020-0601).
Tal Maor (@talthemaor) 's Twitter Profile Photo

Illustration of an end-to-end attack chain across multiple domains using Microsoft security products was just posted! Tali Ash Stefan Sellmer microsoft.com/security/blog/…

Microsoft Threat Intelligence (@msftsecintel) 's Twitter Profile Photo

We're sharing additional details related to the attacks by the threat actor that Microsoft tracks as ZINC targeting security researchers. Read our analysis, and get IoCs, detection and hunting information, and recommended actions and preventive measures: msft.it/6013pQAmT

Nick Carr (@itsreallynick) 's Twitter Profile Photo

Disrupted a cross-cloud BEC campaign impacting hundreds of victims. Here’s a behind-the-scenes look at their custom tools & techniques microsoft.com/security/blog/… There’s tons more happening to disrupt cyber crime – credit for this particular write-up goes to my coauthor Stefan Sellmer

Disrupted a cross-cloud BEC campaign impacting hundreds of victims. Here’s a behind-the-scenes look at their custom tools & techniques microsoft.com/security/blog/…
There’s tons more happening to disrupt cyber crime – credit for this particular write-up goes to my coauthor <a href="/Stefan0x531/">Stefan Sellmer</a>
Stefan Sellmer (@stefan0x531) 's Twitter Profile Photo

AiTM phish kits are on the rise as session token replay is the attacker’s response to MFA. Dor and team wrote an excellent blog with a lot of insights into the threat landscape, creative detections and defense recommendations.

Stefan Sellmer (@stefan0x531) 's Twitter Profile Photo

Check out this post on the Microsoft Tech Community : XDR attack disruption in action – Defending against a recent BEC attack - Microsoft Community Hub techcommunity.microsoft.com/t5/microsoft-3…