Cyberattacker techniques, tools, and infrastructure

Cyberattackers constantly evolve their techniques, tools, and infrastructure to launch increasingly complex attacks. Learn about the latest tactics and how to detect, disrupt, and defend against them.

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April 17, 2024

4 min read

Attackers exploiting new critical OpenMetadata vulnerabilities on Kubernetes clusters

Microsoft recently uncovered an attack that exploits new critical vulnerabilities in OpenMetadata to gain access to Kubernetes workloads and leverage them for cryptomining activity.
February 14, 2024

13 min read

Staying ahead of threat actors in the age of AI

Microsoft, in collaboration with OpenAI, is publishing research on emerging threats in the age of AI, focusing on identified activity associated with known threat actors Forest Blizzard, Emerald Sleet, Crimson Sandstorm, and others.
January 25, 2024

10 min read

Midnight Blizzard: Guidance for responders on nation-state attack

The Microsoft security team detected a nation-state attack on our corporate systems on January 12, 2024, and immediately activated our response process to investigate, disrupt malicious activity, mitigate the attack, and deny the threat actor further access.
January 17, 2024

8 min read

New TTPs observed in Mint Sandstorm campaign targeting high-profile individuals at universities and research orgs

Since November 2023, Microsoft has observed a distinct subset of Mint Sandstorm (PHOSPHORUS) targeting high-profile individuals working on Middle Eastern affairs at universities and research organizations in Belgium, France, Gaza, Israel, the United Kingdom, and the United States.
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December 28, 2023

10 min read

Financially motivated threat actors misusing App Installer

Since mid-November 2023, Microsoft Threat Intelligence has observed threat actors, including financially motivated actors like Storm-0569, Storm-1113, Sangria Tempest, and Storm-1674, utilizing the ms-appinstaller URI scheme (App Installer) to distribute malware.
December 7, 2023

28 min read

Star Blizzard increases sophistication and evasion in ongoing attacks

Microsoft Threat Intelligence continues to track and disrupt malicious activity attributed to a Russian state-sponsored actor we track as Star Blizzard, who has continuously improved their detection evasion capabilities while remaining focused on email credential theft against targets.
November 22, 2023

7 min read

Diamond Sleet supply chain compromise distributes a modified CyberLink installer

Microsoft has uncovered a supply chain attack by the threat actor Diamond Sleet (ZINC) involving a malicious variant of an application developed by CyberLink Corp.
November 9, 2023

6 min read

Microsoft shares threat intelligence at CYBERWARCON 2023

At the CYBERWARCON 2023 conference, Microsoft and LinkedIn analysts are presenting several sessions detailing analysis across multiple sets of threat actors and related activity, demonstrating Microsoft Threat Intelligence’s ongoing efforts to track threat actors, protect customers, and share information with the wider security community.
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October 25, 2023

17 min read

Octo Tempest crosses boundaries to facilitate extortion, encryption, and destruction

Microsoft has been tracking activity related to the financially motivated threat actor Octo Tempest, whose evolving campaigns represent a growing concern for many organizations across multiple industries.
October 18, 2023

10 min read

Multiple North Korean threat actors exploiting the TeamCity CVE-2023-42793 vulnerability

Since early October 2023, Microsoft has observed North Korean nation-state threat actors Diamond Sleet and Onyx Sleet exploiting the Jet Brains TeamCity CVE-2023-42793 remote-code execution vulnerability.
October 11, 2023

10 min read

Automatic disruption of human-operated attacks through containment of compromised user accounts

User containment is a unique and innovative defense mechanism that stops human-operated attacks in their tracks.
September 14, 2023

10 min read

Peach Sandstorm password spray campaigns enable intelligence collection at high-value targets

Since February 2023, Microsoft has observed a high volume of password spray attacks attributed to Peach Sandstorm, an Iranian nation-state group.