Introducing the Microsoft Defender Experts Suite: Elevate your security with expert-led services
Announcing Microsoft Defender Experts Suite, a integrated set of expert-led services that helps security teams keep pace with modern cyberattacks.
Microsoft Defender
Microsoft Defender helps prevent, detect, and respond to attacks across devices, identities, apps, email, data, workloads, and clouds. Explore threat intelligence, capabilities, and real-world guidance to help you get more out of Defender.
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Imposter for hire: How fake people can gain very real access
Fake employees are an emerging cybersecurity threat. -
SesameOp: Novel backdoor uses OpenAI Assistants API for command and control
Microsoft Incident Response – Detection and Response Team (DART) researchers uncovered a new backdoor that is notable for its novel use of the OpenAI Assistants Application Programming Interface (API) as a mechanism for command-and-control (C2) communications. -
Retail at risk: How one alert uncovered a persistent cyberthreat
In the latest edition of our Cyberattack Series, we dive into real-world cases targeting retail organizations. Prevent threats with Microsoft Defender
The Microsoft Defender family offers comprehensive threat prevention, detection, and response capabilities for everyone—from individuals looking to protect their family to the world’s largest enterprises.
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Elevate your protection with expanded Microsoft Defender Experts coverage
Defender Experts now offers 24/7, expert-driven protection for cloud workloads, beginning with hybrid and multicloud servers in Microsoft Defender for Cloud. -
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. -
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. -
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. Retain Microsoft Security Experts
Microsoft Security Experts are now available to strengthen your team with managed security services. Learn how to defend against threats with security experts.
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The five-day job: A BlackByte ransomware intrusion case study
In a recent investigation by Microsoft Incident Response of a BlackByte 2. -
Guidance for investigating attacks using CVE-2023-23397
This guide provides steps organizations can take to assess whether users have been targeted or compromised by threat actors exploiting CVE-2023-23397. -
Behind the unprecedented effort to protect customers against the NOBELIUM nation-state attack
In the third of a four-part series on the NOBELIUM nation-state attack, we share how Microsoft product teams built new detections into products to better protect customers. -
Web shell attacks continue to rise
A year ago, we reported the steady increase in the use of web shells in attacks worldwide.
