Threat Source newsletter (Dec. 8, 2022): Your uncle clicked every link
Welcome to this week’s edition of the Threat Source newsletter. As we hurtle toward the end of another year I get that tightness in my chest – that feeling that I think most, if not all, Threat Source readers get at this time of year. That's right, it’s once again the time o
Breaking the silence - Recent Truebot activity
Since August 2022, we have seen an increase in infections of Truebot (aka Silence.Downloader) malware. Truebot was first identified in 2017 and researchers have linked it to a threat actor called Silence Group that is responsible for several high-impact attacks on financial insti
2022 Year in Review Livestream
Did you miss our livestream focused on the Ukraine topics presented in the Cisco Talos Year in Review report? Join host Hazel Burton and special guests Kendall McKay, Nick Randolph, and Vanja Svajcer as they discuss Talos' now-years-long critical infrastructure effort in Ukraine.
Vulnerability Spotlight: Memory corruption vulnerability discovered in PowerISO
Cisco Talos recently discovered a memory corruption vulnerability in PowerISO. TALOS-2022-1644 (CVE-2022-41992) is a memory corruption vulnerability that exists in the VHD File Format parsing functionality of PowerISO 8.3. A specially crafted file can lead to an out-of-bounds wr
Vulnerability Spotlight: NVIDIA driver memory corruption vulnerabilities discovered
Cisco Talos recently discovered two memory corruption vulnerabilities in shader functionality of an NVIDIA driver. NVIDIA Graphics drivers are software for NVIDIA Graphics GPU installed on the PC. They are used to communicate between the operating system and the GPU device. This
Protecting major events: an incident response blueprint
Cisco Talos Incident Response (Talos IR) is sharing a white paper on the steps organizations should follow to secure any major event. These ten focus areas should help guide any organizing committee or participating businesses in preparation for securing such events..
Vulnerability Spotlight: Lansweeper directory traversal and cross-site scripting vulnerabilities
Cisco Talos recently discovered several directory traversal and cross-site scripting vulnerabilities in Lansweeper. Lansweeper is an IT Asset Management solution that gathers hardware and software information of computers and other devices on a computer network for management, c
Vulnerability Spotlight: Callback Technologies CBFS Filter denial-of-service vulnerabilities
Cisco Talos recently discovered three denial-of-service vulnerabilities in Callback Technologies CBFS Filter. Callback Technologies has a CBFS file storage solution for use in customizing data persistence on devices. To accompany this, their CBFS Filter manages this file storage
Threat Round up for November 11 to 18
Today, Talos is publishing a glimpse into the most prevalent threats we've observed between Nov. 11 and Nov. 18. 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 k