Cyber Defense Advisors

Month: November 2023

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  • November 15, 2023

U.S. Takes Down IPStorm Botnet, Russian-Moldovan Mastermind Pleads Guilty

The U.S. government on Tuesday announced the takedown of the IPStorm botnet proxy network and its infrastructure, as the Russian and Moldovan national behind the operation pleaded guilty. “The botnet infrastructure had infected Windows systems then further expanded to infect Linux, Mac, and Android devices, victimizing computers and other electronic devices around the world, including […]

Cyber News
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  • November 15, 2023

New PoC Exploit for Apache ActiveMQ Flaw Could Let Attackers Fly Under the Radar

Cybersecurity researchers have demonstrated a new technique that exploits a critical security flaw in Apache ActiveMQ to achieve arbitrary code execution in memory. Tracked as CVE-2023-46604 (CVSS score: 10.0), the vulnerability is a remote code execution bug that could permit a threat actor to run arbitrary shell commands. It was patched by Apache in ActiveMQ […]

Cyber News

How prepared is your company for a supply chain attack?

The content of this post is solely the responsibility of the author.  AT&T does not adopt or endorse any of the views, positions, or information provided by the author in this article.  In a supply chain attack, hackers aim to breach a target’s defenses by exploiting vulnerabilities in third-party companies. These attacks typically follow one […]

Cyber News, Cyber Threat Trends
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  • November 15, 2023

Three Ways Varonis Helps You Fight Insider Threats

What do basketball teams, government agencies, and car manufacturers have in common? Each one has been breached, having confidential, proprietary, or private information stolen and exposed by insiders. In each case, the motivations and methods varied, but the risk remained the same: insiders have access to too much data with too few controls. Insider threats […]

Cyber News
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  • November 15, 2023

Reptar: New Intel CPU Vulnerability Impacts Multi-Tenant Virtualized Environments

Intel has released fixes to close out a high-severity flaw codenamed Reptar that impacts its desktop, mobile, and server CPUs. Tracked as CVE-2023-23583 (CVSS score: 8.8), the issue has the potential to “allow escalation of privilege and/or information disclosure and/or denial of service via local access.” Successful exploitation of the vulnerability could also permit a […]

Cyber News
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  • November 15, 2023

Alert: Microsoft Releases Patch Updates for 5 New Zero-Day Vulnerabilities

Microsoft has released fixes to address 63 security bugs in its software for the month of November 2023, including three vulnerabilities that have come under active exploitation in the wild. Of the 63 flaws, three are rated Critical, 56 are rated Important, and four are rated Moderate in severity. Two of them have been listed […]

Cyber News
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  • November 15, 2023

Urgent: VMware Warns of Unpatched Critical Cloud Director Vulnerability

VMware is warning of a critical and unpatched security flaw in Cloud Director that could be exploited by a malicious actor to get around authentication protections. Tracked as CVE-2023-34060 (CVSS score: 9.8), the vulnerability impacts instances that have been upgraded to version 10.5 from an older version. “On an upgraded version of VMware Cloud Director […]

Cyber News
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  • November 15, 2023

Microsoft Zero-Days Allow Defender Bypass, Privilege Escalation

Another two bugs in this month’s set of fixes for 63 CVEs were publicly disclosed previously but have not been exploited yet.

Cyber News, Cyber Threat Trends