Automatic on-premises Exchange Server mitigation now in Microsoft Defender Antivirus

As cybercriminals continue to exploit unpatched on-premises versions of Exchange Server 2013, 2016, and 2019, we continue to actively work with customers and partners to help them secure their environments and respond to associated threats. To date, we have released a comprehensive Security Updat...

Automatic on-premises Exchange Server mitigation now in Microsoft Defender Antivirus

As cybercriminals continue to exploit unpatched on-premises versions of Exchange Server 2013, 2016, and 2019, we continue to actively work with customers and partners to help them secure their environments and respond to associated threats. To date, we have released a comprehensive Security Updat...

How Akamai Can Help You Fight the Latest Exploitation Attempts Against Microsoft Exchange

Co-authored by Ryan Barnett. AppSec Protections for Microsoft Exchange CVE-2021-26855, CVE-2021-26857, CVE-2021-26858, CVE-2021-27065 On March 2, 2021, the Microsoft Security Response Center alerted its customers to several critical security updates to Microsoft Exchange Server, addressing...

Azure LoLBins: Protecting against the dual use of virtual machine extensions

Azure Defender for Resource Manager offers unique protection by automatically monitoring the resource management operations in your organization, whether theyre performed through the Azure portal, Azure REST APIs, Azure CLI, or other Azure programmatic clients. In this blog, we will look into the...

Azure LoLBins: Protecting against the dual use of virtual machine extensions

Azure Defender for Resource Manager offers unique protection by automatically monitoring the resource management operations in your organization, whether theyre performed through the Azure portal, Azure REST APIs, Azure CLI, or other Azure programmatic clients. In this blog, we will look into the...

XLM + AMSI: New runtime defense against Excel 4.0 macro malware

We have recently expanded the integration of Antimalware Scan Interface AMSI with Office 365 to include the runtime scanning of Excel 4.0 XLM macros, to help antivirus solutions tackle the increase in attacks that use malicious XLM macros. This integration, an example of the many security feature...

HAFNIUM targeting Exchange Servers with 0-day exploits

Update 03/08/2021: Microsoft continues to see multiple actors taking advantage of unpatched systems to attack organizations with on-premises Exchange Server. To aid defenders in investigating these attacks where Microsoft security products and tooling may not be deployed, we are releasing a feed ...

Microsoft unifies SIEM and XDR to help stop advanced attacks

For all of us in security, the last twelve months have been an incredible series of challenges—from balancing remote work with family priorities, to helping build resilient businesses, and protecting against the latest attacks. 2020 showed us that while we have made great progress, there is still...

Microsoft unifies SIEM and XDR to help stop advanced attacks

For all of us in security, the last twelve months have been an incredible series of challenges—from balancing remote work with family priorities, to helping build resilient businesses, and protecting against the latest attacks. 2020 showed us that while we have made great progress, there is still...

WordPress Defender Security plugin <= 2.4.6 - Cross-Site Request Forgery (CSRF) vulnerability

Cross-Site Request Forgery CSRF vulnerability found by NintechNet in WordPress Defender Security plugin versions = 2.4.6. Solution Update the WordPress Defender Security plugin to the latest available version at least 2.4.6.1...

CVE-2021-24082

Microsoft.PowerShell.Utility Module WDAC Security Feature Bypass Vulnerability...

CVE-2021-24092

Microsoft Defender Elevation of Privilege Vulnerability...

CVE-2021-24092

Microsoft Defender Elevation of Privilege Vulnerability...

Privilege escalation

Microsoft Defender Elevation of Privilege Vulnerability...

CVE-2021-24092

Microsoft Defender Elevation of Privilege Vulnerability...

CVE-2021-24082

Microsoft.PowerShell.Utility Module WDAC Security Feature Bypass Vulnerability...

CVE-2021-24092

CVE-2021-24092 is a Microsoft Defender elevation-of-privilege vulnerability affecting Windows Defender. The connected sources confirm a local, low-privilege attacker could achieve higher privileges (CVE-2021-24092), with a CVSSv3 base score of 7.8 (HIGH) and a local attack vector. Public records ...

CVE-2021-24092 Microsoft Defender Elevation of Privilege Vulnerability

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Process Herpaderping evasion technique

This module allows you to generate a Windows executable that evades security products such as Windows Defender, Avast, etc. This uses the Process Herpaderping technique to bypass Antivirus detection. This method consists in obscuring the behavior of a running process by modifying the executable o...

Twelve-Year-Old Vulnerability Found in Windows Defender

Researchers found, and Microsoft has patched, a vulnerability in Windows Defender that has been around for twelve years. There is no evidence that anyone has used the vulnerability during that time. The flaw, discovered by researchers at the security firm SentinelOne, showed up in a driver that...