Microsoft Incident Response Archives | Microsoft Security Blog

Person sitting on a couch using a laptop.

March 17, 2025
13 min read

StilachiRAT analysis: From system reconnaissance to cryptocurrency theft

Microsoft Incident Response uncovered a novel remote access trojan (RAT) named StilachiRAT, which demonstrates sophisticated techniques to evade detection, persist in the target environment, and exfiltrate sensitive data.

Computer programmer working at night in office.

February 10, 2025
4 min read

Build a stronger security strategy with proactive and reactive incident response: Cyberattack Series

Find out how a cyberattack by Storm-2077 was halted faster because the Microsoft Incident Response team is both proactive and reactive at the same time.

Chief information security officer presents to the board of executives on security topics.

August 28, 2024
7 min read

The art and science behind Microsoft threat hunting: Part 3

In this blog post, read how Microsoft Incident Response leverages three types of threat intelligence to enhance incident response scenarios.

Portrait of a chief information security officer.

June 25, 2024
7 min read

How to boost your incident response readiness

Discover key steps to bolster incident response readiness, from disaster recovery plans to secure deployments, guided by insights from the Microsoft Incident Response team.

April 23, 2024
4 min read

New Microsoft Incident Response guide helps simplify cyberthreat investigations

Discover how to fortify your organization’s cybersecurity defense with this practical guide on digital forensics from Microsoft’s Incident Response team.

A security practitioner works at a computer.

March 21, 2024
5 min read

How Microsoft Incident Response and Microsoft Defender for Identity work together to detect and respond to cyberthreats

Learn how Microsoft Incident Response works together with Microsoft Defender for Identity to give customers fast, flexible service—before, during, or after a cybersecurity incident occurs.

A woman sitting at a table using a laptop.

January 17, 2024
5 min read

New Microsoft Incident Response guides help security teams analyze suspicious activity

Access the first two cloud investigation guides from Microsoft Incident Response to improve triage and analysis of data in Microsoft 365 and Microsoft Entra ID.

A graphic showing a circuit board to represent Microsoft Incident Response.

December 11, 2023
4 min read

New Microsoft Incident Response team guide shares best practices for security teams and leaders

The Microsoft Incident Response team shares a downloadable, interactive, people-centric, guide to effective incident response.

A conference room with seven people around a large table. Two of the individuals are standing while the rest are seated. Several open laptops are on the table facing the individuals.

December 5, 2023
28 min read

Microsoft Incident Response lessons on preventing cloud identity compromise

In real-world customer engagements, Microsoft IR sees combinations of issues and misconfigurations that could lead to attacker access to customers’ Microsoft Entra ID tenants.

Graphic showing the many arms of a cyberattack.

December 4, 2023
3 min read

Protecting credentials against social engineering: Cyberattack Series

Our fourth installation in the Cyberattack Series examines a smishing and social engineering attack and outlines the steps organizations can take to help minimize the risk and prepare for the possibility.

Conference room or board room meeting with people sitting around table in a room with international time clocks, and a map projection.

October 26, 2023
4 min read

An integrated incident response solution with Microsoft and PwC

Microsoft Incident Response and PwC have announced a new global alliance to expand their joint Incident Response and Recovery capability.

a man sitting in front of a laptop computer

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.

Microsoft Incident Response

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