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.
KillNet and affiliate hacktivist groups targeting healthcare with DDoS attacks
KillNet, a group that the US Department of Health and Human Services (DHHS) has called pro-Russia hacktivists, has been launching waves of attacks targeting governments and companies with focus on the healthcare sector. In this blog post, we provide an overview of the DDoS attack landscape against healthcare applications hosted in Azure over three months.
DEV-1101 enables high-volume AiTM campaigns with open-source phishing kit
DEV-1101 is an actor tracked by Microsoft responsible for the development, support, and advertising of several AiTM phishing kits, including an open-source kit capable of circumventing MFA through reverse-proxy functionality.
Protecting Android clipboard content from unintended exposure
Microsoft discovered that the SHEIN Android application periodically read the contents of the Android device clipboard and, if a particular pattern was present, sent the contents of the clipboard to a remote server.
New research, tooling, and partnerships for more secure AI and machine learning
At Microsoft, we’ve been working on the challenges and opportunities of AI for years. Today we’re sharing some recent developments so that the community can be better informed and better equipped for a new world of AI exploration.
2022 in review: DDoS attack trends and insights
With DDoS attacks becoming more frequent, sophisticated, and inexpensive to launch, it’s important for organizations of all sizes to be proactive and stay protected. In this blog, we detail trends and insights into DDoS attacks we observed and mitigated throughout 2022.
Introducing kernel sanitizers on Microsoft platforms
We share technical details of our work on the AddressSanitizer (ASAN) and how it contributes to durably improving software quality and security at Microsoft.
Microsoft research uncovers new Zerobot capabilities
The Microsoft Defender for IoT research team details information on the recent distribution of a Go-based botnet, known as Zerobot, that spreads primarily through IoT and web-application vulnerabilities.
Gatekeeper’s Achilles heel: Unearthing a macOS vulnerability
Microsoft discovered a vulnerability in macOS, referred to as “Achilles”, allowing attackers to bypass application execution restrictions enforced by the Gatekeeper security mechanism.
MCCrash: Cross-platform DDoS botnet targets private Minecraft servers
The Microsoft Defender for IoT research team analyzed a cross-platform botnet that infects both Windows and Linux systems from PCs to IoT devices, to launch distributed denial of service (DDoS) attacks against private Minecraft servers.
IIS modules: The evolution of web shells and how to detect them
This blog aims to provide further guidance on detecting malicious IIS modules and other capabilities that you can use during your own incident response investigations.
Mitigate threats with the new threat matrix for Kubernetes
The updated threat matrix for Kubernetes comes in a new format that simplifies usage of the knowledge base and with new content to help mitigate threats.