December 12, 2023—KB5033371 (OS Build 17763.5206) - EXPIRED

None None...

Microsoft Defender Security Vulnerability

Microsoft Defender is a threat protection software from Microsoft USA. A security vulnerability exists in Microsoft Defender. An attacker has exploited the vulnerability to cause a denial of service on the system...

CVE-2023-36010: Undefined Security Weakness

Microsoft Defender Denial of Service Vulnerability...

PT-2023-8028

Name of the Vulnerable Software and Affected Versions Microsoft Defender affected versions not specified Description The issue is due to insufficient input validation in Microsoft Defender. An attacker can exploit this to cause a denial of service using specially crafted input. Recommendations At...

Microsoft Security Copilot drives new product integrations at Microsoft Ignite to empower security and IT teams

First announced in March 2023, Microsoft Security Copilot—Microsofts first generative AI security product—has sparked major interest. The widespread enthusiasm was on full display after announcing our Early Access Program in October 2023 and sharing our incredible Security Copilot innovations at...

Diamond Sleet supply chain compromise distributes a modified CyberLink installer

Microsoft Threat Intelligence has uncovered a supply chain attack by the North Korea-based threat actor Diamond Sleet ZINC involving a malicious variant of an application developed by CyberLink Corp., a software company that develops multimedia software products. This malicious file is a legitima...

Security Updates for Windows Defender (November 2023)

The Malware Protection Engine version of Microsoft Windows Defender installed on the remote Windows host is prior to 4.18.23100.2009. It is, therefore, affected by a privilege escalation vulnerability. An authenticated attacker can exploit this to gain elevated privileges. Note that Nessus has no...

Forrester names Microsoft a Leader in the 2023 Endpoint Security Wave™ report

We are excited to share that Microsoft has been named a Leader in The Forrester Wave™: Endpoint Security, Q4 2023. Microsoft received the highest possible scores in the strategy category for the vision and roadmap criteria. Forrester notes, “Microsoft’s outstanding roadmap for endpoint security...

Microsoft Defender Thwarts Large-Scale Akira Ransomware Attack

Microsoft on Wednesday said that a user containment feature in Microsoft Defender for Endpoint helped thwart a "large-scale remote encryption attempt" made by Akira ransomware actors targeting an unknown industrial organization in early June 2023. The tech giant's threat intelligence team is...

Automatic disruption of human-operated attacks through containment of compromised user accounts

Our experience and insights from real-world incidents tell us that the swift containment of compromised user accounts is key to disrupting hands-on-keyboard attacks, especially those that involve human-operated ransomware. In these attacks, lateral movement follows initial access as the next...

Microsoft Defender for Endpoint now stops human-operated attacks on its own

Defenders need every edge they can get in the fight against ransomware. Today, were pleased to announce that Microsoft Defender for Endpoint customers will now be able automatically to disrupt human-operated attacks like ransomware early in the kill chain without needing to deploy any other...

Defending new vectors: Threat actors attempt SQL Server to cloud lateral movement

Microsoft security researchers recently identified a campaign where attackers attempted to move laterally to a cloud environment through a SQL Server instance. This attack technique demonstrates an approach weve seen in other cloud services such as VMs and Kubernetes cluster, but not in SQL Serve...

Defending new vectors: Threat actors attempt SQL Server to cloud lateral movement

Microsoft security researchers recently identified a campaign where attackers attempted to move laterally to a cloud environment through a SQL Server instance. This attack technique demonstrates an approach weve seen in other cloud services such as VMs and Kubernetes cluster, but not in SQL Serve...

Microsoft Defender Flags Tor Browser as Win32/Malgent!MTB Malware

By Waqas Win32/Malgent!MTB is a generic detection that Microsoft Defender uses to identify Trojans that are designed to perform a variety of malicious actions on a computer. This is a post from HackRead.com Read the original post: Microsoft Defender Flags Tor Browser as Win32/Malgent!MTB Malware...

The vulnerability of Microsoft Defender operating systems for Windows, related to security configuration errors, allows a hacker to bypass existing security restrictions.

The vulnerability of Microsoft Defender’s operating system vulnerabilities is related to security configuration errors. Exploiting this vulnerability can allow a hacker to bypass existing security restrictions using a specially created file...

KLA60567 SB vulnerability in Microsoft System Center

A security feature bypass vulnerability was found in Microsoft System Center. Malicious users can exploit this vulnerability to bypass security restrictions. Original advisories CVE-2023-38163 Exploitation Related products Windows-Defender CVE list CVE-2023-38163 critical KB list Solution Install...

Exploit for Insufficient Verification of Data Authenticity in Rarlab Winrar

CVE-2023-38831 - WinRAR File Extension Spoofing Vulnerability...

New Microsoft Security innovations expand multicloud visibility and enhance multiplatform protection

With more than 90 percent of organizations adopting a multicloud strategy1 and cloud-based cyberattacks growing 48 percent year over year,2 securing multicloud and hybrid environments is more important than ever. To successfully protect multicloud infrastructure—where customers are utilizing two ...

JVN#42527152: "FFRI yarai" and "FFRI yarai Home and Business Edition" handle exceptional conditions improperly

"FFRI yarai" and "FFRI yarai Home and Business Edition" provided by FFRI Security, Inc. handle exceptional conditions improperly CWE-703. When the product's Windows Defender management feature is enabled, and Microsoft Defender detects some files matching specific conditions as a threat, the...

Microsoft Defender for Office 365 gets highest rating in SE Labs Enterprise Email Security Services test for Q1 2023

In the ever-evolving world of cybersecurity, email remains a primary attack vector for cybercriminals, making effective email protection a foundational piece of any organization’s security strategy. In Q1 2023, Microsoft was once again part of an evaluation of email security platforms conducted b...