Microsoft Defender
Microsoft Defender helps prevent, detect, and respond to attacks across devices, identities, apps, email, data, workloads, and clouds. Explore threat intelligence, capabilities, and real-world guidance to help you get more out of Defender.
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Microsoft Defender for Office 365 is recognized as a Leader in Forrester’s 2023 Enterprise Email Security Wave Report. -
New macOS vulnerability, Migraine, could bypass System Integrity Protection
A new vulnerability, which we refer to as “Migraine”, could allow an attacker with root access to bypass System Integrity Protection (SIP) in macOS and perform arbitrary operations on a device. -
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. -
Microsoft Security highlights from RSA Conference 2023
At RSA Conference April 24 to 26, 2023, Microsoft Security shared solution news and insights. -
Forrester names Microsoft a Leader in 2023 Infrastructure-as-a-Service Platform Native Security report
Forrester recognizes Microsoft’s strong vision and significant investments in Infrastructure-as-a-Service Platform Native Security offerings. -
Why you should practice rollbacks to prevent data loss in a ransomware attack
Tanya Janca, Founder and Chief Executive Officer of We Hack Purple, shares insights on application security and offers strategies to protect against data loss from ransomware attacks. -
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. -
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. -
Improve supply chain security and resiliency with Microsoft
The Microsoft Supply Chain Platform was just launched to help companies protect their supply chains against cyber threats. -
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.