Threat actors
Microsoft actively discovers and tracks threat actors across observed state-sponsored, ransomware, and criminal activities. Get insights from the 60 nation-state actors, 50 ransomware groups, and hundreds of other attackers weโve tracked.
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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. -
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. -
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. -
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. -
MERCURY and DEV-1084: Destructive attack on hybrid environment
Microsoft detected a unique operation where threat actors carried out destructive actions in both on-premises and cloud environments. -
DEV-0196: QuaDream’s “KingsPawn” malware used to target civil society in Europe, North America, the Middle East, and Southeast Asia
Microsoft analyzes a threat group tracked as DEV-0196, the actor’s iOS malware “KingsPawn”, and their link to an Israel-based private sector offensive actor (PSOA) known as QuaDream, which reportedly sells a suite of exploits, malware, and infrastructure called REIGN, that’s designed to exfiltrate data from mobile devices. -
Guidance for investigating attacks using CVE-2022-21894: The BlackLotus campaign
This guide provides steps that organizations can take to assess whether users have been targeted or compromised by threat actors exploiting CVE-2022-21894 via a Unified Extensible Firmware Interface (UEFI) bootkit called BlackLotus. -
Threat actors strive to cause Tax Day headaches
With U.S. Tax Day approaching, Microsoft has observed phishing attacks targeting accounting and tax return preparation firms to deliver the Remcos RAT and compromise target networks. -
Nation-state threat actor Mint Sandstorm refines tradecraft to attack high-value targets
Today, Microsoft is reporting on a distinct subset of Mint Sandstorm (formerly known as PHOSPHORUS), an Iranian threat actor that specializes in hacking into and stealing sensitive information from high-value targets. -
Microsoft shifts to a new threat actor naming taxonomy
Microsoft is excited to announce that we are shifting to a new threat actor naming taxonomy aligned to the theme of weather. -
Volt Typhoon targets US critical infrastructure with living-off-the-land techniques
Chinese state-sponsored actor Volt Typhoon is using stealthy techniques to target US critical infrastructure, conduct espionage, and dwell in compromised environments.