Tag Microsoft

Silver Fox APT Exploits Windows Driver in Ongoing Campaign

Cyberwarfare / Nation-State Attacks, Fraud Management & Cybercrime Exploitation of Microsoft Blocklist Gap: Silver Fox’s Undetected Operations Pooja Tikekar ( @PoojaTikekar) • September 2, 2025 Image: Jim Cumming/Shutterstock A cyber-espionage campaign attributed to a Chinese nation-state actor, identified as Silver Fox, has successfully exploited a gap in Microsoft’s signed driver…

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🔍 Weekly Overview: Nation-State Cyber Attacks, Spyware Warnings, Deepfake Malware Threats, and Supply Chain Vulnerabilities

This week, cybersecurity experts reported a notable uptick in stealthy tactics employed by malicious actors, indicating that the real challenge may lie in identifying the threats that have already infiltrated systems rather than defending against external breaches. Attack methodologies increasingly leverage AI to manipulate public opinion, while malware masquerades within…

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Amazon Disrupts Russian APT29 Watering Hole Attack Targeting Microsoft Authentication

Amazon has effectively thwarted a watering hole campaign orchestrated by the Russian APT29, known as Midnight Blizzard, which exploited compromised websites to undermine Microsoft authentication through malicious redirects. The incident came to light when Amazon’s security team discerned new activities from APT29, a threat group correlated with Russia’s Foreign Intelligence…

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PipeMagic Trojan Leverages Windows Zero-Day Flaw to Launch Ransomware Attacks

Microsoft has disclosed that a recently patched security vulnerability within the Windows Common Log File System (CLFS) was actively exploited as a zero-day in targeted ransomware attacks against several entities. This flaw, identified as CVE-2025-29824, was employed to escalate privileges, thus granting attackers SYSTEM-level access. The affected organizations span multiple…

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Pentagon Investigates Microsoft’s Employment of Chinese Coders

Cloud Security, Government, Industry Specific U.S. Defense Department Halts and Reviews Microsoft’s ‘Digital Escorts’ Program Chris Riotta (@chrisriotta) • August 29, 2025 Image: Austin Nooe/Shutterstock The U.S. Department of Defense (DoD) has launched a review of Microsoft’s employment of Chinese nationals to assist in coding for military cloud infrastructure. This…

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Microsoft Resolves 78 Vulnerabilities, Including 5 Actively Exploited Zero-Days; CVSS 10 Flaw Affects Azure DevOps Server

May 14, 2025
Endpoint Security / Vulnerability

Microsoft has released updates addressing 78 security vulnerabilities across its software, including five zero-days currently being exploited in the wild. Among these flaws, 11 are classified as Critical, 66 as Important, and one as Low in severity. The patches include 28 vulnerabilities that enable remote code execution, 21 related to privilege escalation, and 16 classified as information disclosure issues. This release also coincides with fixes for eight security flaws found in the Chromium-based Edge browser since last month’s Patch Tuesday. The details of the actively exploited vulnerabilities are as follows:

  • CVE-2025-30397 (CVSS score: 7.5) – Scripting Engine Memory Corruption Vulnerability
  • CVE-2025-30400 (CVSS score: 7.8) – Microsoft Desktop Window Manager (DWM) Core Library Elevation of Privilege Vulnerability
  • CVE-2025-3270…

Microsoft Addresses 78 Security Flaws, Including Five Active Exploits; Azure DevOps Server Affected On May 14, 2025, Microsoft released critical updates aimed at remedying a total of 78 security vulnerabilities discovered across its software portfolio. Notably, among these vulnerabilities are five zero-days that have been actively exploited in the wild,…

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Microsoft Resolves 78 Vulnerabilities, Including 5 Actively Exploited Zero-Days; CVSS 10 Flaw Affects Azure DevOps Server

May 14, 2025
Endpoint Security / Vulnerability

Microsoft has released updates addressing 78 security vulnerabilities across its software, including five zero-days currently being exploited in the wild. Among these flaws, 11 are classified as Critical, 66 as Important, and one as Low in severity. The patches include 28 vulnerabilities that enable remote code execution, 21 related to privilege escalation, and 16 classified as information disclosure issues. This release also coincides with fixes for eight security flaws found in the Chromium-based Edge browser since last month’s Patch Tuesday. The details of the actively exploited vulnerabilities are as follows:

  • CVE-2025-30397 (CVSS score: 7.5) – Scripting Engine Memory Corruption Vulnerability
  • CVE-2025-30400 (CVSS score: 7.8) – Microsoft Desktop Window Manager (DWM) Core Library Elevation of Privilege Vulnerability
  • CVE-2025-3270…

⚡ Weekly Summary: Windows 0-Day, VPN Vulnerabilities, AI Weaponization, Hijacked Antivirus, and More

 
April 14, 2025
Threat Intelligence / Cybersecurity

Attackers are no longer waiting for patches; they are infiltrating systems before defenses are in place. Trusted security tools are being compromised to spread malware. Even after breaches are detected and addressed, some attackers remain undetected. This week’s incidents highlight a stark reality: reactive measures are insufficient. You must operate under the assumption that any system you trust today could fail tomorrow. In a landscape where AI can be weaponized against you and ransomware strikes faster than ever, effective protection requires proactive planning and maintaining control amidst chaos.

Dive into this week’s update for crucial threat developments, insightful webinars, practical tools, and immediate tips to enhance your cybersecurity posture.

Threat of the Week
Windows 0-Day Exploited for Ransomware Attacks — A security vulnerability concerning the Windows Common Log File System (CLFS) has been exploited as a zero-day in targeted ransomware attacks, as revealed by Microsoft. The flaw, identified as CVE-2025-29824, is a privilege escalation vulnerability…

Weekly Cybersecurity Recap: Notable Threats and Developments April 14, 2025 In an alarming trend within the cybersecurity landscape, attackers are increasingly beating organizations to the punch, exploiting vulnerabilities before patches can be implemented. This week has underscored a crucial reality: the need for a proactive security posture is more critical…

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⚡ Weekly Summary: Windows 0-Day, VPN Vulnerabilities, AI Weaponization, Hijacked Antivirus, and More

 
April 14, 2025
Threat Intelligence / Cybersecurity

Attackers are no longer waiting for patches; they are infiltrating systems before defenses are in place. Trusted security tools are being compromised to spread malware. Even after breaches are detected and addressed, some attackers remain undetected. This week’s incidents highlight a stark reality: reactive measures are insufficient. You must operate under the assumption that any system you trust today could fail tomorrow. In a landscape where AI can be weaponized against you and ransomware strikes faster than ever, effective protection requires proactive planning and maintaining control amidst chaos.

Dive into this week’s update for crucial threat developments, insightful webinars, practical tools, and immediate tips to enhance your cybersecurity posture.

Threat of the Week
Windows 0-Day Exploited for Ransomware Attacks — A security vulnerability concerning the Windows Common Log File System (CLFS) has been exploited as a zero-day in targeted ransomware attacks, as revealed by Microsoft. The flaw, identified as CVE-2025-29824, is a privilege escalation vulnerability…

Iranian Hackers Disguised as Ransomware Operators Executing Destructive Attacks

April 8, 2023
Cyber Warfare / Cyber Threats

The Iranian nation-state group MuddyWater has been implicated in conducting destructive operations on hybrid environments while masquerading as a ransomware campaign. According to new insights from the Microsoft Threat Intelligence team, these threat actors are targeting both on-premises and cloud infrastructures, often collaborating with a recently identified cluster known as DEV-1084. “Despite efforts to present their activities as a typical ransomware operation, the irreversible damage they inflict indicates that destruction and disruption were their primary objectives,” the company reported on Friday. MuddyWater is linked to Iran’s Ministry of Intelligence and Security (MOIS) and has been active at least since 2017, also recognized by various names in the cybersecurity field, including Boggy Serpens.

Iranian Hackers Launch Destructive Attacks Disguised as Ransomware Operations April 8, 2023 — Cyber Threats A notable development in the realm of cybersecurity has emerged, as the Iranian cyber group known as MuddyWater has been detected executing destructive attacks in hybrid environments while masquerading as a ransomware operation. Recent investigations…

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Iranian Hackers Disguised as Ransomware Operators Executing Destructive Attacks

April 8, 2023
Cyber Warfare / Cyber Threats

The Iranian nation-state group MuddyWater has been implicated in conducting destructive operations on hybrid environments while masquerading as a ransomware campaign. According to new insights from the Microsoft Threat Intelligence team, these threat actors are targeting both on-premises and cloud infrastructures, often collaborating with a recently identified cluster known as DEV-1084. “Despite efforts to present their activities as a typical ransomware operation, the irreversible damage they inflict indicates that destruction and disruption were their primary objectives,” the company reported on Friday. MuddyWater is linked to Iran’s Ministry of Intelligence and Security (MOIS) and has been active at least since 2017, also recognized by various names in the cybersecurity field, including Boggy Serpens.