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.

Refine Results

Filtered by

Clear All

attacker-techniques-tools-and-infrastructure

Refine results

Sort By

Content Type

Topic

Products and services

Publish date

Start Date

End Date

Tailored AI insights from Microsoft Security Copilot

Empower your defenders to detect hidden patterns, harden defenses, and respond to incidents faster with generative AI.

Learn more
July 31, 2025

13 min read

Frozen in transit: Secret Blizzard’s AiTM campaign against diplomats

Microsoft Threat Intelligence has uncovered a cyberespionage campaign by the Russian state actor we track as Secret Blizzard that has been ongoing since at least 2024, targeting embassies in Moscow using an adversary-in-the-middle (AiTM) position to deploy their custom ApolloShadow malware.
July 16, 2025

7 min read

Protecting customers from Octo Tempest attacks across multiple industries

To help protect and inform customers, Microsoft highlights protection coverage across the Microsoft Defender security ecosystem to protect against threat actors like Octo Tempest.
June 30, 2025

18 min read

Jasper Sleet: North Korean remote IT workers’ evolving tactics to infiltrate organizations

Since 2024, Microsoft Threat Intelligence has observed remote IT workers deployed by North Korea leveraging AI to improve the scale and sophistication of their operations, steal data, and generate revenue for the North Korean government.
May 29, 2025

12 min read

Defending against evolving identity attack techniques

Threat actors continue to develop and leverage various techniques that aim to compromise cloud identities.
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.

Learn more
May 27, 2025

16 min read

New Russia-affiliated actor Void Blizzard targets critical sectors for espionage

Microsoft Threat Intelligence has discovered a cluster of worldwide cloud abuse activity conducted by a threat actor we track as Void Blizzard, who we assess with high confidence is Russia-affiliated and has been active since at least April 2024.
May 21, 2025

15 min read

Lumma Stealer: Breaking down the delivery techniques and capabilities of a prolific infostealer

Over the past year, Microsoft Threat Intelligence observed the persistent growth and operational sophistication of Lumma Stealer, an info-stealing malware used by multiple financially motivated threat actors to target various industries.
May 12, 2025

10 min read

Marbled Dust leverages zero-day in Output Messenger for regional espionage

Since April 2024, the threat actor that Microsoft Threat Intelligence tracks as Marbled Dust has been observed exploiting user accounts that have not applied fixes to a zero-day vulnerability (CVE-2025-27920) in the messaging app Output Messenger, a multiplatform chat software.
April 23, 2025

14 min read

Understanding the threat landscape for Kubernetes and containerized assets

The dynamic nature of containers can make it challenging for security teams to detect runtime anomalies or pinpoint the source of a security incident, presenting an opportunity for attackers to stay undetected.
Streamline privacy management with Microsoft Priva

Protect and govern personal information, reduce privacy risks, and manage subject rights requests at scale with Microsoft Priva privacy risk management solutions.

Learn more
April 15, 2025

10 min read

Threat actors misuse Node.js to deliver malware and other malicious payloads

Since October 2024, Microsoft Defender Experts has observed and helped multiple customers address campaigns leveraging Node.
April 9, 2025

13 min read

Stopping attacks against on-premises Exchange Server and SharePoint Server with AMSI

Exchange Server and SharePoint Server are business-critical assets and considered crown-jewels for many organizations, making them attractive targets for attacks.
April 8, 2025

7 min read

Exploitation of CLFS zero-day leads to ransomware activity

Microsoft Threat Intelligence Center (MSTIC) and Microsoft Security Response Center (MSRC) have discovered post-compromise exploitation of a newly discovered zero-day vulnerability in the Windows Common Log File System (CLFS) against a small number of targets.
April 3, 2025

13 min read

Threat actors leverage tax season to deploy tax-themed phishing campaigns

As Tax Day approaches in the United States on April 15, Microsoft has detected several tax-themed phishing campaigns employing various tactics.