New Microsoft guidance for the CISA Zero Trust Maturity Model
New Microsoft guidance is now available for United States government agencies and their industry partners to help implement Zero Trust strategies and meet CISA Zero Trust requirements.
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.
Why security leaders trust Microsoft Sentinel to modernize their SOC​​Â
​Microsoft Sentinel transforms security operations centers with cloud-native SIEM capabilities, AI-powered threat detection, and cost-effective scalability to protect your entire digital ecosystem.
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. Microsoft has linked the source of these password spray attacks to a network of compromised devices we track as CovertNetwork-1658, also known as xlogin and Quad7 (7777).
​​Microsoft now a Leader in three major analyst reports for SIEM
Microsoft is positioned in the Leaders Category in the 2024 IDC MarketScape for worldwide SIEM for Enterprise—making it the third major analyst report in SIEM to name Microsoft as a Leader.
Microsoft Ignite: Sessions and demos to improve your security strategy
Join us at Microsoft Ignite 2024 for sessions, keynotes, and networking aimed at giving you tools and strategies to put security first in your organization.
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. This activity is ongoing, and Microsoft will continue to investigate and provide updates as available.
File hosting services misused for identity phishing
Since mid-April 2024, Microsoft has observed an increase in defense evasion tactics used in campaigns abusing file hosting services like SharePoint, OneDrive, and Dropbox. These campaigns use sophisticated techniques to perform social engineering, evade detection, and compromise identities, and include business email compromise (BEC) attacks.
Storm-0501: Ransomware attacks expanding to hybrid cloud environments
Microsoft has observed the threat actor tracked as Storm-0501 launching a multi-staged attack where they compromised hybrid cloud environments and performed lateral movement from on-premises to cloud environment, leading to data exfiltration, credential theft, tampering, persistent backdoor access, and ransomware deployment.
North Korean threat actor Citrine Sleet exploiting Chromium zero-day
Microsoft identified a North Korean threat actor exploiting a zero-day vulnerability in Chromium (CVE-2024-7971) to gain remote code execution (RCE) in the Chromium renderer process. Our assessment of ongoing analysis and observed infrastructure attributes this activity to Citrine Sleet, a North Korean threat actor that commonly targets the cryptocurrency sector for financial gain.
Peach Sandstorm deploys new custom Tickler malware in long-running intelligence gathering operations
Between April and July 2024, Microsoft observed Iranian state-sponsored threat actor Peach Sandstorm deploying a new custom multi-stage backdoor, which we named Tickler.