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.
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Silk Typhoon is a Chinese state actor focused on espionage campaigns targeting a wide range of industries in the US and throughout the world. -
The BadPilot campaign: Seashell Blizzard subgroup conducts multiyear global access operation
Microsoft is publishing for the first time our research into a subgroup within the Russian state actor Seashell Blizzard and its multiyear initial access operation, tracked by Microsoft Threat Intelligence as the “BadPilot campaign”. -
Code injection attacks using publicly disclosed ASP.NET machine keys
Microsoft Threat Intelligence observed limited activity by an unattributed threat actor using a publicly available, static ASP. -
Frequent freeloader part II: Russian actor Secret Blizzard using tools of other groups to attack Ukraine
Since January 2024, Microsoft has observed Secret Blizzard using the tools or infrastructure of other threat groups to attack targets in Ukraine and download its custom backdoors Tavdig and KazuarV2. -
Frequent freeloader part I: Secret Blizzard compromising Storm-0156 infrastructure for espionage
Microsoft has observed Secret Blizzard compromising the infrastructure and backdoors of the Pakistan-based threat actor we track as Storm-0156 for espionage against the Afghanistan government and Indian Army targets. -
Chinese threat actor Storm-0940 uses credentials from password spray attacks from a covert network
Since August 2023, Microsoft has observed intrusion activity targeting and successfully stealing credentials from multiple Microsoft customers that is enabled by highly evasive password spray attacks. -
Midnight Blizzard conducts large-scale spear-phishing campaign using RDP files
Since October 22, 2024, Microsoft Threat Intelligence has observed Russian threat actor Midnight Blizzard sending a series of highly targeted spear-phishing emails to individuals in government, academia, defense, non-governmental organizations, and other sectors. -
Storm-0501: Ransomware attacks expanding to hybrid cloud environments
August 27, 2025 update: Storm-0501 has continuously evolved to achieve sharpened focus on cloud-based TTPs as their primary objective shifted from deploying on-premises endpoint ransomware to using cloud-based ransomware tactics.