Hive ransomware gets upgrades in Rust
With its latest variant carrying several major upgrades, Hive proves it’s one of the fastest evolving ransomware payload, exemplifying the continuously changing ransomware ecosystem.
Research
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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Toll fraud malware: How an Android application can drain your wallet
Toll fraud malware, a subcategory of billing fraud in which malicious applications subscribe users to premium services without their knowledge or consent, is one of the most prevalent types of Android malware – and it continues to evolve. -
Using process creation properties to catch evasion techniques
We developed a robust detection method in Microsoft Defender for Endpoint that can catch known and unknown variations of a process execution class used by attackers to evade detection. -
Improving AI-based defenses to disrupt human-operated ransomware
To disrupt human-operated ransomware attacks as early as possible, we enhanced the AI-based protections in Microsoft Defender for Endpoint with a range of specialized machine learning techniques that swiftly identify and block malicious files, processes, or behavior observed during active attacks. 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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The many lives of BlackCat ransomware
The use of an unconventional programming language, multiple target devices and possible entry points, and affiliation with prolific threat activity groups have made the BlackCat ransomware a prevalent threat and a prime example of the growing ransomware-as-a-service (RaaS) gig economy. -
Exposing POLONIUM activity and infrastructure targeting Israeli organizations
Microsoft successfully detected and disabled attack activity abusing OneDrive by a previously undocumented Lebanon-based activity group Microsoft Threat Intelligence Center (MSTIC) tracks as POLONIUM. -
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. -
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. 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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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. -
Anatomy of a DDoS amplification attack
Amplification attacks are one of the most common distributed denial of service (DDoS) attack vectors. -
Beneath the surface: Uncovering the shift in web skimming
Web skimming campaigns now employ various obfuscation techniques to deliver and hide the skimming scripts. -
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.
