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What Cisco Talos knows about the Rhysida ransomware

The group appears to commonly deploy double extortion — of the victims that have been listed on the leak site, several of them have had some portion of their exfiltrated data exposed.

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Six critical vulnerabilities included in August’s Microsoft security update

The only vulnerability Microsoft states is being exploited in the wild is CVE-2023-38180, a denial-of-service vulnerability in .NET and Microsoft Visual Studio.

New Yashma Ransomware Variant Targets Multiple English-Speaking Countries

An unknown threat actor is using a variant of the Yashma ransomware to target various entities in English-speaking countries, Bulgaria, China, and Vietnam at least since June 4, 2023. Cisco Talos, in a new write-up, attributed the operation with moderate confidence to an adversary of likely Vietnamese origin. "The threat actor uses an uncommon technique to deliver the ransom note," security

Debian Security Advisory 5468-1

Debian Linux Security Advisory 5468-1 - The following vulnerabilities have been discovered in the WebKitGTK web engine. YeongHyeon Choi discovered that processing web content may disclose sensitive information. Narendra Bhati discovered that a website may be able to bypass the Same Origin Policy. Narendra Bhati, Valentino Dalla Valle, Pedro Bernardo, Marco Squarcina, and Lorenzo Veronese discovered that processing web content may lead to arbitrary code execution. Various other issues were also addressed.

Code leaks are causing an influx of new ransomware actors

Cisco Talos is seeing an increasing number of ransomware variants emerge, since 2021, leading to more frequent attacks and new challenges for cybersecurity professionals, particularly regarding actor attribution.

New threat actor targets Bulgaria, China, Vietnam and other countries with customized Yashma ransomware

Cisco Talos discovered an unknown threat actor, seemingly of Vietnamese origin, conducting a ransomware operation that began at least as early as June 4, 2023 with customized Yashma ransomware.

CVE-2020-26065: Cisco Security Advisory: Cisco SD-WAN vManage Software Path Traversal Vulnerability

A vulnerability in the web-based management interface of Cisco SD-WAN vManage Software could allow an authenticated, remote attacker to conduct path traversal attacks and obtain read access to sensitive files on an affected system. The vulnerability is due to insufficient validation of HTTP requests. An attacker could exploit this vulnerability by sending a crafted HTTP request that contains directory traversal character sequences to an affected system. A successful exploit could allow the attacker to view arbitrary files on the affected system.