Threat actors misuse OAuth applications to automate financially driven attacks

Threat actors are misusing OAuth applications as an automation tool in financially motivated attacks. OAuth is an open standard for token-based authentication and authorization that enables applications to get access to data and resources based on permissions set by a user. Threat actors compromi...

Microsoft Defender Denial of Service Vulnerability

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

December 12, 2023—KB5033371 OS Build 17763.5206 - EXPIRED EXPIRATION NOTICEIMPORTANT As of March 31, 2026, this update is no longer available from the Microsoft Update Catalog or other release channels. We recommend that you update your devices to the latest version of Windows. ​​​​​​​ 11/17/20 F...

December 12, 2023—KB5033369 (OS Build 22000.2652)

December 12, 2023—KB5033369 OS Build 22000.2652 9/26/23 IMPORTANT As of September 26, 2023, there are no more optional, non-security preview releases for Windows 11, version 21H2. Only cumulative monthly security updates will continue for the supported versions of Windows 11, version 21H2...

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...

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 Defender Anti-Malware PowerShell API Arbitrary Code Execution Vulnerability

Microsoft Defender API and PowerShell APIs suffer from an arbitrary code execution due to a flaw in powershell not handling user provided input that contains a semicolon. + Credits: John Page aka hyp3rlinx + Website: hyp3rlinx.altervista.org + Source:...

Microsoft Defender Anti-Malware PowerShell API Arbitrary Code Execution

Credits: John Page aka hyp3rlinx + Website: hyp3rlinx.altervista.org + Source: http://hyp3rlinx.altervista.org/advisories/MICROSOFTDEFENDERANTIMALWAREPOWERSHELLAPIUNINTENDEDCODEEXECUTION.txt + twitter.com/hyp3rlinx + x.com/hyp3rlinx + ISR: ApparitionSec Vendor www.microsoft.com Product Windows...

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...

The vulnerability of the BIG-IP Access Policy Manager’s access control and remote authentication mechanisms, as well as the software products such as BIG-IP Advanced Firewall Manager, BIG-IP Analytics, BIG-IP Application Acceleration Manager, BIG-IP Application Security Manager, BIG-IP Hybrid Defender, BIG-IP Domain Name System, BIG-IP Fraud Protection Service, BIG-IP Link Controller, BIG-IP Local Traffic Manager, BIG-IP Policy Enforcement Manager, BIG-IP Orchestrator, allows a perpetrator to trigger a service failure.

The vulnerabilities of the BIG-IP Access Policy Manager, as well as the BIG-IP Advanced Firewall Manager, BIG-IP Analytics, BIG-IP Application Acceleration Manager, BIG-IP Application Security Manager, BIG-IP Hybrid Defender, BIG-IP Domain Name System, BIG-IP Fraud Protection Service, BIG-IP Link...

The vulnerability of the BIG-IP Access Policy Manager’s access control and remote authentication mechanisms, as well as the software products such as BIG-IP Advanced Firewall Manager, BIG-IP Analytics, BIG-IP Application Acceleration Manager, BIG-IP Application Security Manager, BIG-IP Hybrid Defender, BIG-IP Domain Name System, BIG-IP Fraud Protection Service, BIG-IP Link Controller, BIG-IP Local Traffic Manager, BIG-IP Policy Enforcement Manager, BIG-IP Orchestrator, allows a perpetrator to trigger a service failure.

The vulnerabilities of the BIG-IP Access Policy Manager, as well as the BIG-IP Advanced Firewall Manager, BIG-IP Analytics, BIG-IP Application Acceleration Manager, BIG-IP Application Security Manager, BIG-IP Hybrid Defender, BIG-IP Domain Name System, BIG-IP Fraud Protection Service, BIG-IP Link...

The vulnerability of the BIG-IP Access Policy Manager’s access control and remote authentication mechanisms, as well as the software products such as BIG-IP Advanced Firewall Manager, BIG-IP Analytics, BIG-IP Application Acceleration Manager, BIG-IP Application Security Manager, BIG-IP Hybrid Defender, BIG-IP Domain Name System, BIG-IP Fraud Protection Service, BIG-IP Link Controller, BIG-IP Local Traffic Manager, BIG-IP Policy Enforcement Manager, BIG-IP Orchestrator, allows a perpetrator to trigger a service failure.

The vulnerabilities of the BIG-IP Access Policy Manager, as well as the BIG-IP Advanced Firewall Manager, BIG-IP Analytics, BIG-IP Application Acceleration Manager, BIG-IP Application Security Manager, BIG-IP Hybrid Defender, BIG-IP Domain Name System, BIG-IP Fraud Protection Service, BIG-IP Link...

Defender Security < 4.2.1 - Masked Login Area Security Feature Bypass

Description The Defender Security – Malware Scanner, Login Security & Firewall plugin for WordPress is vulnerable to security feature bypass in all versions up to, and including, 4.2.0. This is due to an unspecified issue. This makes it possible for unauthenticated attackers to bypass the login...

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...

Introducing the Microsoft Defender Bounty Program

We are excited to announce the new Microsoft Defender Bounty Program with awards of up to $20,000 USD. The Microsoft Defender brand encompasses a variety of products and services designed to enhance the security of the Microsoft customer experience. The Microsoft Defender Bounty Program invites...

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...

Microsoft unveils expansion of AI for security and security for AI at Microsoft Ignite

The future of security with AI The increasing speed, scale, and sophistication of recent cyberattacks demand a new approach to security. Traditional tools are no longer enough to keep pace with the threats posed by cybercriminals. In just two years, the number of password attacks detected by...

CVE-2023-36422

Microsoft Windows Defender Elevation of Privilege Vulnerability...

CVE-2023-36422

Microsoft Windows Defender Elevation of Privilege Vulnerability...

Privilege escalation

Microsoft Windows Defender Elevation of Privilege Vulnerability...