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This image displays an alert in Microsoft Defender for Identity. The title states "Suspicious Kerberos delegation attempt by a newly created computer" followed by the subtitle "Administrator on evilcomputer5 used a ticket to delegate access to ATTACKER." Below the titles displays an administrator icon on the left and an attacker icon on the right, with an arrow pointing from the admin to the attacker stating "delegated a ticket with access to". The evidence includes "resource based constrained delegation is configured on the resource with the Administrator as allowed to delegate", "evilcomputer5 was created on May 19 2022 at 8:45 PM", and "this alert is associated with the KrbRelayUp exploitation".

Detecting and preventing privilege escalation attacks leveraging Kerberos relaying (KrbRelayUp)

On April 24, 2022, a privilege escalation hacking tool, KrbRelayUp, was publicly disclosed on GitHub by security researcher Mor Davidovich. KrbRelayUp is a wrapper that can streamline the use of some features in Rubeus, KrbRelay, SCMUACBypass, PowerMad/SharpMad, Whisker, and ADCSPwn ... continue reading

Meta selects Azure as strategic cloud provider to advance AI innovation and deepen PyTorch collaboration

Microsoft is committed to the responsible advancement of AI to enable every person and organization to achieve more. Over the last few months, we have talked about advancements in our Azure infrastructure, Azure Cognitive Services, and Azure Machine Learning to ... continue reading

Meta selects Azure as strategic cloud provider to advance AI innovation and deepen PyTorch collaboration

Microsoft is committed to the responsible advancement of AI to enable every person and organization to achieve more. Over the last few months, we have talked about advancements in our Azure infrastructure, Azure Cognitive Services, and Azure Machine Learning to ... continue reading
Microsoft Build 2022

Introducing the Microsoft Intelligent Data Platform

We are moving to a world where every application needs to be intelligent and adaptive to real-time model learning. As businesses build modern data capabilities, they must make decisions at the speed of human thought. Developers are challenged by this, ... continue reading
Attack chain diagram with icons and arrows depicting a typical web skimming attack.

Beneath the surface: Uncovering the shift in web skimming

Microsoft security researchers recently observed that web skimming campaigns now employ various obfuscation techniques to deliver and hide skimming scripts. It’s a shift from earlier tactics where attackers conspicuously injected malicious scripts into e-commerce platforms and content management systems (CMSs) ... continue reading
Figure 1 displays a diagram depicting a typical attack flow for XorDdos malware. The attacker communicates with a bot to SSH brute force a target device and download XorDdos. The malware then performs several techniques for evasion and persistence before connecting with the attacker's C2 server to send data and receive commands.

Rise in XorDdos: A deeper look at the stealthy DDoS malware targeting Linux devices

In the last six months, we observed a 254% increase in activity from a Linux trojan called XorDdos. First discovered in 2014 by the research group MalwareMustDie, XorDdos was named after its denial-of-service-related activities on Linux endpoints and servers as ... continue reading

So you want to be a CISO: What you should know about data protection

Data is the lifeblood of any organization. Whether you’re a Chief Information Security Officer (CISO) or aspiring to become one, protecting sensitive business data will be your main priority. But the job isn’t getting any easier. In 2021, the number ... continue reading
Bar chart illustrating the distribution of cryware family detections from January to December 2021.

In hot pursuit of ‘cryware’: Defending hot wallets from attacks

The steep rise in cryptocurrency market capitalization, not surprisingly, mirrors a marked increase in threats and attacks that target or leverage cryptocurrencies. But Microsoft researchers are observing an even more interesting trend: the evolution of related malware and their techniques, ... continue reading
A histogram that presents the number of attacks observed from January 2019 to April 2021, to show prevalence. This chart is originally from the MITRE Sightings Ecosystem project.

Center for Threat-Informed Defense, Microsoft, and industry partners streamline MITRE ATT&CK® matrix evaluation for defenders

The MITRE Center for Threat-Informed Defense, Microsoft, and other industry partners collaborated on a project that created a repeatable methodology for developing a top MITRE ATT&CK® techniques list. The method aims to facilitate navigation of the ATT&CK framework, which could ... continue reading

Microsoft security experts outline next steps after compromise recovery

Who is CRSP? The Microsoft Compromise Recovery Security Practice (CRSP) is a worldwide team of cybersecurity experts operating in most countries, across both public and private organizations, with deep expertise to secure an environment post-security breach and to help you ... continue reading