Critical Exchange Server Flaw (CVE-2024-21410) Under Active Exploitation

Microsoft on Wednesday acknowledged that a newly disclosed critical security flaw in Exchange Server has been actively exploited in the wild, a day after it released fixes for the vulnerability as part of its Patch Tuesday updates. Tracked as CVE-2024-21410 (CVSS score: 9.8), the issue has been described as a case of privilege escalation impacting the Exchange Server. "An attacker

Russian APT28 Hackers Targeting High-Value Orgs with NTLM Relay Attacks

Russian state-sponsored actors have staged NT LAN Manager (NTLM) v2 hash relay attacks through various methods from April 2022 to November 2023, targeting high-value targets worldwide. The attacks, attributed to an "aggressive" hacking crew called APT28, have set their eyes on organizations dealing with foreign affairs, energy, defense, and transportation, as well as those involved with

Researchers Uncover How Outlook Vulnerability Could Leak Your NTLM Passwords

A now-patched security flaw in Microsoft Outlook could be exploited by threat actors to access NT LAN Manager (NTLM) v2 hashed passwords when opening a specially crafted file. The issue, tracked as CVE-2023-35636 (CVSS score: 6.5), was addressed by the tech giant as part of its Patch Tuesday updates for December 2023. "In an email attack scenario, an attacker could exploit the

Alert: New Vulnerabilities Discovered in QNAP and Kyocera Device Manager

A security flaw has been disclosed in Kyocera’s Device Manager product that could be exploited by bad actors to carry out malicious activities on affected systems. "This vulnerability allows attackers to coerce authentication attempts to their own resources, such as a malicious SMB share, to capture or relay Active Directory hashed credentials if the ‘Restrict NTLM: Outgoing NTLM

Beware: Experts Reveal New Details on Zero-Click Outlook RCE Exploits

Technical details have emerged about two now-patched security flaws in Microsoft Windows that could be chained by threat actors to achieve remote code execution on the Outlook email service sans any user interaction. "An attacker on the internet can chain the vulnerabilities together to create a full, zero-click remote code execution (RCE) exploit against Outlook clients," Akamai security

Microsoft to Phase Out NTLM in Favor of Kerberos for Stronger Authentication

Microsoft has announced that it plans to eliminate NT LAN Manager (NTLM) in Windows 11 in the future, as it pivots to alternative methods for authentication and bolster security. "The focus is on strengthening the Kerberos authentication protocol, which has been the default since 2000, and reducing reliance on NT LAN Manager (NTLM)," the tech giant said. "New features for Windows 11 include

Cybercriminals Using PowerShell to Steal NTLMv2 Hashes from Compromised Windows

A new cyber attack campaign is leveraging the PowerShell script associated with a legitimate red teaming tool to plunder NTLMv2 hashes from compromised Windows systems primarily located in Australia, Poland, and Belgium. The activity has been codenamed Steal-It by Zscaler ThreatLabz. "In this campaign, the threat actors steal and exfiltrate NTLMv2 hashes using customized versions of Nishang's 

Microsoft Warns of Stealthy Outlook Vulnerability Exploited by Russian Hackers

Microsoft on Friday shared guidance to help customers discover indicators of compromise (IoCs) associated with a recently patched Outlook vulnerability. Tracked as CVE-2023-23397 (CVSS score: 9.8), the critical flaw relates to a case of privilege escalation that could be exploited to steal NT Lan Manager (NTLM) hashes and stage a relay attack without requiring any user interaction. "External

Microsoft fixes two 0-days on Patch Tuesday – update now!

An email you haven't even looked at yet could be used to trick Outlook into helping crooks to logon as you.

New NTLM Relay Attack Lets Attackers Take Control Over Windows Domain

A new kind of Windows NTLM relay attack dubbed DFSCoerce has been uncovered that leverages the Distributed File System (DFS): Namespace Management Protocol (MS-DFSNM) to seize control of a domain. "Spooler service disabled, RPC filters installed to prevent PetitPotam and File Server VSS Agent Service not installed but you still want to relay [Domain Controller authentication to [Active Directory

Microsoft Releases Fix for New Zero-Day with May 2022 Patch Tuesday Updates

Microsoft on Tuesday rolled out fixes for as many as 74 security vulnerabilities, including one for a zero-day bug that's being actively exploited in the wild. Of the 74 issues, seven are rated Critical, 66 are rated Important, and one is rated low in severity. Two of the flaws are listed as publicly known at the time of release. These encompass 24 remote code execution (RCE), 21 elevation of