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Explore in-depth research on the latest cybersecurity threats, trends, and defense strategies. Get insights from Microsoft that’ll help you better understand and respond to today’s challenges.

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Modernize your Security Operations Center with Microsoft Sentinel
Microsoft Sentinel is a cloud-native SIEM solution powered by AI and automation that delivers intelligent security analytics across your entire enterprise.
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June 1, 2022

11 min read

Using Python to unearth a goldmine of threat intelligence from leaked chat logs

Dealing with a great amount of data can be time consuming, thus using Python can be very powerful to help analysts sort information and extract the most relevant data for their investigation.
May 27, 2022

13 min read

Android apps with millions of downloads exposed to high-severity vulnerabilities

Microsoft uncovered high-severity vulnerabilities in a mobile framework used by multiple large mobile service providers in pre-installed Android System apps that potentially exposed users to remote or local attacks.
May 25, 2022

8 min read

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

The privilege escalation hacking tool KrbRelayUp is a wrapper that can streamline the use of some features in Rubeus, KrbRelay, SCMUACBypass, PowerMad/ SharpMad, Whisker, and ADCSPwn tools in attacks.
May 23, 2022

8 min read

Anatomy of a DDoS amplification attack

Amplification attacks are one of the most common distributed denial of service (DDoS) attack vectors.
Tailored AI insights from Microsoft Security Copilot
Empower your defenders to detect hidden patterns, harden defenses, and respond to incidents faster with generative AI.
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May 23, 2022

10 min read

Beneath the surface: Uncovering the shift in web skimming

Web skimming campaigns now employ various obfuscation techniques to deliver and hide the skimming scripts.
May 19, 2022

27 min read

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

Observing a 254% increase in activity over the last six months from a versatile Linux trojan called XorDdos, the Microsoft 365 Defender research team provides in-depth analysis into this stealthy malware’s capabilities and key infection signs.
May 17, 2022

14 min read

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

The rise in cryptocurrency market capitalization paved the way to the emergence of threats Microsoft security researchers are referring to as “cryware”—information stealers focused on gathering and exfiltrating data from non-custodial cryptocurrency wallets.
May 11, 2022

5 min read

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

The Center for Threat-Informed Defense, along with Microsoft and industry partners, collaborated on a repeatable methodology and a web-based calculator, aiming to streamline MITRE ATT&CK® use for defenders.
Go beyond data protection with Microsoft Purview
Govern, protect, and manage all of your data with Microsoft Purview, comprehensive solutions to help give you better visibility and control.
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May 9, 2022

37 min read

Ransomware as a service: Understanding the cybercrime gig economy and how to protect yourself

Microsoft coined the term “human-operated ransomware” to clearly define a class of attack driven by expert human intelligence at every step of the attack chain and culminate in intentional business disruption and extortion.
April 26, 2022

9 min read

Microsoft finds new elevation of privilege Linux vulnerability, Nimbuspwn

Microsoft has discovered several vulnerabilities, collectively referred to as Nimbuspwn, that could be chained together, allowing an attacker to elevate privileges to root on many Linux desktop endpoints.
April 13, 2022

17 min read

Dismantling ZLoader: How malicious ads led to disabled security tools and ransomware

Microsoft took action against the ZLoader trojan by working with telecommunications providers around the world to disrupt key ZLoader infrastructure.
April 12, 2022

7 min read

Tarrask malware uses scheduled tasks for defense evasion

Microsoft Detection and Response Team (DART) researchers have uncovered malware that creates “hidden” scheduled tasks as a defense evasion technique.