Microsoft maintains a continuous effort to protect its platforms and customers from fraud and abuse. This edition of Cyber Signals takes you inside the work underway and important milestones achieved that protect customers.
The post Cyber Signals Issue 9 | AI-powered deception: Emerging fraud threats and countermeasures appeared first on Microsoft Security Blog. READ MORE HERE…
Since October 2024, Microsoft Defender Experts has observed and helped multiple customers address campaigns leveraging Node.js to deliver malware and other payloads that ultimately lead to information theft and data exfiltration.
The post Threat actors misuse Node.js to deliver malware and other malicious payloads appeared first on Microsoft Security Blog. READ MORE HERE…
Using Microsoft Security Copilot to expedite the discovery process, Microsoft has uncovered several vulnerabilities in multiple open-source bootloaders impacting all operating systems relying on Unified Extensible Firmware Interface (UEFI) Secure Boot. Through a series of prompts, we identified and refined security issues, ultimately uncovering an exploitable integer overflow vulnerability in the GRUB2, U-boot, and Barebox bootloaders.
The post Analyzing open-source bootloaders: Finding vulnerabilities faster with AI appeared first on Microsoft Security Blog. READ MORE HERE…
Microsoft detected a large-scale malvertising campaign in early December 2024 that impacted nearly one million devices globally. The attack originated from illegal streaming websites embedded with malvertising redirectors and ultimately redirected users to GitHub to deliver initial access payloads as the start of a modular and multi-stage attack chain.
The post Malvertising campaign leads to info stealers hosted on GitHub appeared first on Microsoft Security Blog. READ MORE HERE…
Kerberoasting, a well-known Active Directory (AD) attack vector, enables threat actors to steal credentials and navigate through devices and networks. Microsoft is sharing recommended actions administrators can take now to help prevent successful Kerberoasting cyberattacks.
The post Microsoft’s guidance to help mitigate Kerberoasting appeared first on Microsoft Security Blog. READ MORE HERE…
Microsoft researchers found multiple vulnerabilities in OpenVPN that could lead to an attack chain allowing remote code execution and local privilege escalation. This attack chain could enable attackers to gain full control over targeted endpoints, potentially resulting in data breaches, system compromise, and unauthorized access to sensitive information.
The post Chained for attack: OpenVPN vulnerabilities discovered leading to RCE and LPE appeared first on Microsoft Security Blog. READ MORE HERE…
Today, ahead of the Microsoft Build 2024 conference, we announced a new class of Windows computers, Copilot+ PC. Alongside this exciting new class of computers, we are introducing important security features and updates that make Windows 11 more secure for users and organizations, and give developers the tools to prioritize security.
The post New Windows 11 features strengthen security to address evolving cyberthreat landscape appeared first on Microsoft Security Blog. READ MORE HERE…
Discover how to fortify your organization’s cybersecurity defense with this practical guide on digital forensics from Microsoft’s Incident Response team.
The post New Microsoft Incident Response guide helps simplify cyberthreat investigations appeared first on Microsoft Security Blog. READ MORE HERE…
Since 2019, Forest Blizzard has used a custom post-compromise tool to exploit a vulnerability in the Windows Print Spooler service that allows elevated permissions. Microsoft has issued a security update addressing this vulnerability as CVE-2022-38028.
The post Analyzing Forest Blizzard’s custom post-compromise tool for exploiting CVE-2022-38028 to obtain credentials appeared first on Microsoft Security Blog. READ MORE HERE…
The main components of the Microsoft Intune Suite are now generally available. Read about how consolidated endpoint management adds value and functionality for security teams.
The post 3 new ways the Microsoft Intune Suite offers security, simplification, and savings appeared first on Microsoft Security Blog. READ MORE HERE…