


Microsoft Sentinel
Microsoft Sentinel is a security information and event management (SIEM) solution that helps you uncover and quickly respond to sophisticated threats. Explore case studies, product updates, and best practices to help you strengthen your security and reduce response times.
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Microsoft security researchers recently identified an attack where attackers attempted to move laterally to a cloud environment through a SQL Server instance.
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Join the new Microsoft Security experience at Microsoft Ignite 2023
Join Microsoft Security at Microsoft Ignite 2023 for the latest security insights, hands-on skilling, product innovations, in-person networking, and more. -
Flax Typhoon using legitimate software to quietly access Taiwanese organizations
China-based actor Flax Typhoon is exploiting known vulnerabilities for public-facing servers, legitimate VPN software, and open-source malware to gain access to Taiwanese organizations, but not taking further action. -
Microsoft Purview data security mitigations for BazaCall and other human-operated data exfiltration attacks
Microsoft Defender is our toolset for prevention and mitigation of data exfiltration and ransomware attacks. -
How to connect with Microsoft Security at Black Hat USA 2023
Learn more about the sessions, product demos, and special events presented by Microsoft at Black Hat 2023. -
Microsoft Inspire: Partner resources to prepare for the future of security with AI
Microsoft Inspire is an incredible opportunity to share all the ways AI can support security efforts with our partner ecosystem. -
Storm-0978 attacks reveal financial and espionage motives
Microsoft has identified a phishing campaign conducted by the threat actor tracked as Storm-0978 targeting defense and government entities in Europe and North America. -
The five-day job: A BlackByte ransomware intrusion case study
In a recent investigation by Microsoft Incident Response of a BlackByte 2. -
11 best practices for securing data in cloud services
This blog explores the importance and best practices for securing data in the cloud. -
How automation is evolving SecOps—and the real cost of cybercrime
ramsac Founder and Managing Director Rob May shares insights on how automation can support SecOps and how to protect against phishing attacks. -
IoT devices and Linux-based systems targeted by OpenSSH trojan campaign
Microsoft has uncovered an attack leveraging custom and open-source tools to target internet-facing IoT devices and Linux-based systems. -
Cadet Blizzard emerges as a novel and distinct Russian threat actor
Microsoft attributes several campaigns to a distinct Russian state-sponsored threat actor tracked as Cadet Blizzard (DEV-0586), including the WhisperGate destructive attack, Ukrainian website defacements, and the hack-and-leak front “Free Civilian”.