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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 tools in attacks. Although this attack won’t function for Azure...

Anatomy of a DDoS amplification attack

Amplification attacks are one of the most common distributed denial of service (DDoS) attack vectors. These attacks are typically categorized as flooding or volumetric attacks, where the attacker succeeds in generating more traffic than the target can process, resulting in exhausting its resources due to the amount of traffic it receives.  In...

How to improve risk management using Zero Trust architecture

“Compliance is all about risk management and lessening risk, and the same is true of Zero Trust.” —Abbas Kudrati What’s risk management and why is it important? Risk management, the process of developing a strategy for addressing risk throughout its lifecycle, normally involves four phases: risk identification, assessment, response, and...

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) via vulnerability exploitation, making...

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 well as its usage of XOR-based encryption for its communications. XorDdos depicts...

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 of data breaches climbed 68 percent to 1,862, costing an average of USD4.24 million each.1 The damage...

Easy authentication and authorization in Azure Active Directory with No-Code Datawiza

This blog post is part of the Microsoft Intelligent Security Association guest blog series. Learn more about MISA. The acceleration of cloud journeys fueled by the pandemic and ever-increasing concerns about data security and information privacy have made access management one of the hottest topics in application security and Zero Trust architecture...

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, and the emergence of a threat type we’re referring to as cryware....

Microsoft showcases the future of comprehensive security at RSA 2022

The last time the RSA Conference was held as an in-person event was in 2020. Needless to say, a lot has changed since then. RSA is once again going forward as an in-person (and digital) event in San Francisco, from June 6 to 9, 2022. After two years of remote interactions, we’re excited to exchange ideas with industry influencers and security professionals...

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 help new defenders focus on critical techniques relevant to their...

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