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…
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…
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:
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,…
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:
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…
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…
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…
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.
Data Security, Encryption & Key Management, Litigation Settlement Reached in Virtru’s Patent Infringement Case Against Microsoft’s Message Encryption Tool Michael Novinson (MichaelNovinson) • August 27, 2025 In a significant development, Virtru has settled a lawsuit against Microsoft that contested the alleged infringement of its patents related to data protection in…
Urgent: Microsoft Releases Security Patches for 97 Vulnerabilities, Including Active Ransomware Threat
April 12, 2023
Patch Tuesday / Software Updates
On the second Tuesday of the month, Microsoft has issued security updates addressing a total of 97 vulnerabilities within its software. Notably, one of these flaws is currently being exploited in active ransomware attacks. Of the 97 issues, seven are classified as Critical and 90 as Important. The updates notably include 45 remote code execution flaws and 20 elevation of privilege vulnerabilities. This release follows previous fixes for 26 vulnerabilities found in the Edge browser over the past month. The actively exploited flaw is CVE-2023-28252 (CVSS score: 7.8), a privilege escalation vulnerability within the Windows Common Log File System (CLFS) Driver. According to Microsoft’s advisory, “An attacker who successfully exploited this vulnerability could gain SYSTEM privileges,” with credit given to researchers Boris Larin, Genwei Jiang, and Quan Jin for their discovery. CVE-2023-28252 represents the fourth privilege escalation flaw recently identified…
Microsoft Releases Critical Patches for 97 Vulnerabilities, Addressing Active Ransomware Threat On April 12, 2023, Microsoft introduced a substantial set of security updates aimed at rectifying a total of 97 vulnerabilities across its software ecosystem. Among these, one particular flaw is currently being exploited actively in ransomware operations. This month’s…
Urgent: Microsoft Releases Security Patches for 97 Vulnerabilities, Including Active Ransomware Threat
April 12, 2023
Patch Tuesday / Software Updates
On the second Tuesday of the month, Microsoft has issued security updates addressing a total of 97 vulnerabilities within its software. Notably, one of these flaws is currently being exploited in active ransomware attacks. Of the 97 issues, seven are classified as Critical and 90 as Important. The updates notably include 45 remote code execution flaws and 20 elevation of privilege vulnerabilities. This release follows previous fixes for 26 vulnerabilities found in the Edge browser over the past month. The actively exploited flaw is CVE-2023-28252 (CVSS score: 7.8), a privilege escalation vulnerability within the Windows Common Log File System (CLFS) Driver. According to Microsoft’s advisory, “An attacker who successfully exploited this vulnerability could gain SYSTEM privileges,” with credit given to researchers Boris Larin, Genwei Jiang, and Quan Jin for their discovery. CVE-2023-28252 represents the fourth privilege escalation flaw recently identified…
📅 April 21, 2025
Cybersecurity / Hacking News
Can a seemingly harmless click trigger a major cyberattack? Surprisingly, yes. Last week’s events highlighted how hackers are adept at blending in with routine actions—whether it’s opening a file, initiating a project, or logging in normally. There are no loud alerts or glaring red flags; instead, attackers slip through unnoticed, exploiting minor weaknesses like misconfigured systems, trusted browser features, or recycled login credentials. These are not merely technical glitches—they reflect habits that are being exploited. Join us as we review the most significant developments from the week and their implications for your security.
Active Exploitation of Newly Patched Windows Vulnerability — A recently addressed security flaw affecting Windows NTLM has come under active attack, allowing malicious actors to leak NTLM hashes or user passwords since March 19, 2025. This vulnerability, identified as CVE-2025-24054 (CVSS score: 6.5), is a hash disclosure spoofing issue that Microsoft corrected last month during its Patch Tuesday updates.
Weekly Cybersecurity Recap: iOS Vulnerabilities, 4Chan Breach, NTLM Exploits, and More April 21, 2025 Cybersecurity Updates Recent events in the cybersecurity landscape have underscored the fragility of digital safety, revealing that seemingly innocuous actions, such as clicking a link or opening a file, can precipitate serious cyberattacks. These incidents highlight…
📅 April 21, 2025
Cybersecurity / Hacking News
Can a seemingly harmless click trigger a major cyberattack? Surprisingly, yes. Last week’s events highlighted how hackers are adept at blending in with routine actions—whether it’s opening a file, initiating a project, or logging in normally. There are no loud alerts or glaring red flags; instead, attackers slip through unnoticed, exploiting minor weaknesses like misconfigured systems, trusted browser features, or recycled login credentials. These are not merely technical glitches—they reflect habits that are being exploited. Join us as we review the most significant developments from the week and their implications for your security.
Active Exploitation of Newly Patched Windows Vulnerability — A recently addressed security flaw affecting Windows NTLM has come under active attack, allowing malicious actors to leak NTLM hashes or user passwords since March 19, 2025. This vulnerability, identified as CVE-2025-24054 (CVSS score: 6.5), is a hash disclosure spoofing issue that Microsoft corrected last month during its Patch Tuesday updates.
Apr 22, 2025
Identity Management / Cloud Security
Microsoft announced on Monday the migration of its Microsoft Account (MSA) signing service to Azure confidential virtual machines (VMs) and is currently in the process of transitioning the Entra ID signing service. This move follows updates made about seven months ago to Microsoft Entra ID and MS for both public and U.S. government clouds, enabling the generation, storage, and automatic rotation of access token signing keys using the Azure Managed Hardware Security Module (HSM) service. “These enhancements aim to mitigate the vulnerabilities we believe were exploited in the 2023 Storm-0558 attack,” stated Charlie Bell, Executive Vice President for Microsoft Security, in a pre-publication post shared with The Hacker News. Microsoft also highlighted that 90% of identity tokens from Microsoft Entra ID for its applications are validated by a robust identity Software Development Kit (SDK), with 92% of employee…
Microsoft Enhances MSA Signing Security with Azure Confidential VMs Post Storm-0558 Breach On April 22, 2025, Microsoft announced a significant upgrade to its Microsoft Account (MSA) signing service, relocating it to Azure confidential virtual machines (VMs). This move comes as part of a broader effort to enhance security measures following…
Apr 22, 2025
Identity Management / Cloud Security
Microsoft announced on Monday the migration of its Microsoft Account (MSA) signing service to Azure confidential virtual machines (VMs) and is currently in the process of transitioning the Entra ID signing service. This move follows updates made about seven months ago to Microsoft Entra ID and MS for both public and U.S. government clouds, enabling the generation, storage, and automatic rotation of access token signing keys using the Azure Managed Hardware Security Module (HSM) service. “These enhancements aim to mitigate the vulnerabilities we believe were exploited in the 2023 Storm-0558 attack,” stated Charlie Bell, Executive Vice President for Microsoft Security, in a pre-publication post shared with The Hacker News. Microsoft also highlighted that 90% of identity tokens from Microsoft Entra ID for its applications are validated by a robust identity Software Development Kit (SDK), with 92% of employee…
