Microsoft Defender Experts for Hunting demonstrates industry-leading protection in the 2022 MITRE Engenuity ATT&CK® Evaluations for Managed Services

Microsoft Defender Experts for Hunting, our newest managed threat hunting service, delivered industry-leading results during the inaugural MITRE Engenuity ATT&CK® Evaluations for Managed Services. We provided a seamless, comprehensive, and rapid response to the simulated attack using expert-led...

Stopping C2 communications in human-operated ransomware through network protection

Command-and-control C2 servers are an essential part of ransomware, commodity, and nation-state attacks. They are used to control infected devices and perform malicious activities like downloading and launching payloads, controlling botnets, or commanding post-exploitation penetration frameworks ...

Stopping C2 communications in human-operated ransomware through network protection

Command-and-control C2 servers are an essential part of ransomware, commodity, and nation-state attacks. They are used to control infected devices and perform malicious activities like downloading and launching payloads, controlling botnets, or commanding post-exploitation penetration frameworks ...

Raspberry Robin Operators Selling Cybercriminals Access to Thousands of Endpoints

The Raspberry Robin worm is becoming an access-as-a-service malware for deploying other payloads, including IcedID, Bumblebee, TrueBot aka Silence, and Clop ransomware. It is "part of a complex and interconnected malware ecosystem, with links to other malware families and alternate infection...

Raspberry Robin worm part of larger ecosystem facilitating pre-ransomware activity

Microsoft has discovered recent activity indicating that the Raspberry Robin worm is part of a complex and interconnected malware ecosystem, with links to other malware families and alternate infection methods beyond its original USB drive spread. These infections lead to follow-on...

Secure your endpoints with Transparity and Microsoft

This blog post is part of the Microsoft Intelligent Security Association guest blog series. Learn more about MISA. Endpoint protection platforms EPPs are dead and no longer sufficient to protect your organization, right? Wrong. When it comes to cybersecurity, the ability to normalize and correlat...

Securing IoT devices against attacks that target critical infrastructure

South Staffordshire PLC, a company that supplies water to over one million customers in the United Kingdom, notified its customers in August of being a target of a criminal cyberattack. This incident highlights the sophisticated threats that critical industries face today. According to South...

5 cybersecurity capabilities announced at Microsoft Ignite 2022 to help you secure more with less

Protecting your business against growing security threats is a huge priority. Companies of all sizes have increased their spending on cybersecurity solutions to protect their operations over the last year. User spending for the information security and risk management market will grow to USD169.2...

Introducing new Microsoft Defender for Cloud innovations to strengthen cloud-native protections

Security teams face an expanding attack surface as organizations increasingly use cloud-native services to develop, deploy, and manage applications across their multicloud and hybrid environments. Their challenge is compounded by incomplete visibility, siloed processes, and a lack of prioritized...

Introducing new Microsoft Defender for Cloud innovations to strengthen cloud-native protections

Security teams face an expanding attack surface as organizations increasingly use cloud-native services to develop, deploy, and manage applications across their multicloud and hybrid environments. Their challenge is compounded by incomplete visibility, siloed processes, and a lack of prioritized...

Introducing new Microsoft Defender for Cloud innovations to strengthen cloud-native protections

Security teams face an expanding attack surface as organizations increasingly use cloud-native services to develop, deploy, and manage applications across their multicloud and hybrid environments. Their challenge is compounded by incomplete visibility, siloed processes, and a lack of prioritized...

Detecting and preventing LSASS credential dumping attacks

Obtaining user operating system OS credentials from a targeted device is among threat actors’ primary goals when launching attacks because these credentials serve as a gateway to various objectives they can achieve in their target organization’s environment, such as lateral movement. One techniqu...

Detecting and preventing LSASS credential dumping attacks

Obtaining user operating system OS credentials from a targeted device is among threat actors’ primary goals when launching attacks because these credentials serve as a gateway to various objectives they can achieve in their target organization’s environment, such as lateral movement. One techniqu...

Detecting and preventing LSASS credential dumping attacks

Obtaining user operating system OS credentials from a targeted device is among threat actors’ primary goals when launching attacks because these credentials serve as a gateway to various objectives they can achieve in their target organization’s environment, such as lateral movement. One techniqu...

Detecting and preventing LSASS credential dumping attacks

Obtaining user operating system OS credentials from a targeted device is among threat actors’ primary goals when launching attacks because these credentials serve as a gateway to various objectives they can achieve in their target organization’s environment, such as lateral movement. One techniqu...

PT-2022-14862 · Undefined · Undefined

ParsedReport 01-10-2022 Analyzing attacks using the Exchange vulnerabilities CVE-2022-41040 and CVE-2022-41082 https://www.microsoft.com/security/blog/2022/09/30/analyzing-attacks-using-the-exchange-vulnerabilities-cve-2022-41040-and-cve-2022-41082 Threats: Chinachopper Backdoor:win32/rewritehttp...

Analyzing attacks using the Exchange vulnerabilities CVE-2022-41040 and CVE-2022-41082

October 1, 2022 update – Added information about Exploit:Script/ExchgProxyRequest.A, Microsoft Defender AV’s robust detection for exploit behavior related to this threat. We also removed a section on MFA as a mitigation, which was included in a prior version of this blog as standard guidance...

ZINC weaponizing open-source software

In recent months, Microsoft has detected a wide range of social engineering campaigns using weaponized legitimate open-source software by an actor we track as ZINC. Microsoft Threat Intelligence Center MSTIC observed activity targeting employees in organizations across multiple industries includi...

Hookup site targeted by typo-squatters

Ethical hacker and security researcher Kody Kinzie shared with BleepingComputer a list of over 50 domains of which many are spelling variations of the brand name Sniffies. Sniffies identifies itself as a "modern, map-based, meetup app for gay, bi, and curious guys." Kody used an open source tool...

Implementing a Zero Trust strategy after compromise recovery

What changes after compromise recovery? After a successful compromise recovery effort, you are back in control. Likely, you gave your team a round of applause and took a sigh of relief. Now what? Is everything going back to as it was in the past? Absolutely not! A compromise recovery engagement i...