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January 10, 2023 14:18

Microsoft Patch Tuesday for January 2023 — Snort rules and prominent vulnerabilities

Microsoft released its monthly security update on Tuesday, disclosing 101 vulnerabilities. Of these vulnerabilities, 11 are classified as “Critical”, 89 are classified as “Important”, no vulnerability classified as “Moderate.”

January 10, 2023 12:00

Increasing trust, commitment, and predictability during a remote incident response

In this blog post, Cisco Talos Incident Response (Talos IR) presents some of the key benefits of remote IR support and offers a list of recommendations for working on a remote incident.

January 10, 2023 11:20

Vulnerability Spotlight: Asus router access, information disclosure, denial of service vulnerabilities discovered

Cisco Talos recently discovered three vulnerabilities in Asus router software. The Asus RT-AX82U router is one of the newer Wi-Fi 6 (802.11ax)-enabled routers that also supports mesh networking with other Asus routers. Like other routers, it is configurable via an HTTP server ru

January 10, 2023 09:24

APT Topic Summary Report: Cisco Talos Year in Review 2022

State-sponsored or state-aligned advanced persistent threats (APTs) adapted to the changing geopolitical landscape in 2022. Cisco Talos observed several offensive cyber campaigns linked to several groups stemming from Russia, Iran, China, North Korea, and countries in the Indian subcontinent...

January 5, 2023 14:00

Threat Source newsletter (Jan. 5, 2023): Digging out of our inboxes

Happy New Year and welcome to this week's edition of the Threat Source newsletter. We can’t tell if it’s the fog from Lurene’s deadly eggnog or dare we say pure rest and relaxation but we’re still digging out of our inboxes, trying to remember logins, and circle back on all

December 22, 2022 10:39

Vulnerability Spotlight: OpenImageIO file processing issues could lead to arbitrary code execution, sensitive information leak and denial of service

Cisco Talos recently discovered nineteen vulnerabilities in OpenImageIO, an image processing library, which could lead to sensitive information disclosure, denial of service and heap buffer overflows which could further lead to code execution. OpenImageIO is an image processing

December 21, 2022 12:39

Vulnerability Spotlight: Authentication bypass and enumeration vulnerabilities in Ghost CMS

Dave McDaniel and other members of Cisco Talos discovered these vulnerabilities. Cisco Talos recently discovered two vulnerabilities in Ghost CMS, one authentication bypass vulnerability and one enumeration vulnerability. Ghost is a content management system with tools to build

December 20, 2022 08:00

Threat Spotlight: XLLing in Excel - threat actors using malicious add-ins

As more and more users adopt new versions of Microsoft Office, it is likely that threat actors will turn away from VBA-based malicious documents to other formats such as XLLs or rely on exploiting newly discovered vulnerabilities to launch malicious code.

December 16, 2022 14:29

Threat Round up for December 9 to December 16

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between Dec. 9 and Dec. 16. As with previous roundups, this post isn't meant to be an in-depth analysis. Instead, this post will summarize the threats we've observed by highlighting ke