Cisco Talos Blog

October 13, 2020 09:10

Vulnerability Spotlight: Denial-of-service vulnerabilities in Allen-Bradley Flex I/O

Jared Rittle of Cisco Talos discovered these vulnerabilities. Blog by Jon Munshaw. The Allen-Bradley Flex input/output system contains multiple denial-of-service vulnerabilities in its ENIP request path data segment. These bugs exist specifically in the 1794-AENT FLEX I/O modula

October 8, 2020 14:00

Threat Source newsletter for Oct. 8, 2020

Newsletter compiled by Jon Munshaw. Good afternoon, Talos readers. We’ve been writing and talking about election security a ton lately. And as the U.S. presidential election draws closer, we decided it was time to summarize some things. So, we released this blog post with our f

October 7, 2020 12:07

Vulnerability Spotlight: DoS vulnerability in ATIKMDAG.SYS AMD graphics driver

Piotr Bania of Cisco Talos discovered this vulnerability. Blog by Jon Munshaw.Cisco Talos recently discovered a denial-of-service vulnerability in the ATIKMDAG.SYS driver for some AMD graphics cards. An attacker could send the victim a specially crafted D3DKMTCreateAllocation API

October 7, 2020 09:20

What to expect when you’re electing: Voter recommendations

By Amy Henderson. Information operations have been around for millennia, yet with the advent of the internet and the democratization of content creation, the barriers to entry have lowered to a point that anyone can play now. In the course of our latest research on disinformati

October 1, 2020 14:00

Threat Source newsletter for Oct. 1, 2020

Newsletter compiled by Jon Munshaw. Good afternoon, Talos readers. In the past, we’ve covered what disinformation (otherwise known as “fake news”) is and who spreads it. Now, we’re diving into why it works, and why it’s so easy for people to spread. Check out our full paper her

October 1, 2020 09:00

What to expect when you're electing: Information hygiene and the human levers of disinformation

Editor's note: Related reading on Talos election security research: /what-to-expect-when-youre-electing /election-roundtable-video /what-to-expect-electing-disinformation-building-blocks By Azim Khodjibaev and Ryan Pentney. As Cisco Talos researchers outlined in a paper

September 30, 2020 15:37

Vulnerability Spotlight: Remote code execution bugs in NVIDIA D3D10 driver

Piotr Bania of Cisco Talos discovered this vulnerability. Blog by Jon Munshaw. Cisco Talos recently discovered multiple remote code execution vulnerabilities in the NVIDIA D3D10 driver. This driver supports multiple GPUs that NVIDIA produces. An adversary could exploit these vul

September 24, 2020 14:00

Threat Source newsletter for Sept. 24, 2020

Newsletter compiled by Jon Munshaw. Good afternoon, Talos readers. After months (years?) in beta, an official release candidate is out now for Snort 3. Stay tuned for an officially official release in about a month. In other Snort rules, we also have a deep dive into our detec

September 21, 2020 00:01

New Snort, ClamAV coverage strikes back against Cobalt Strike

By Nick Mavis. Editing by Joe Marshall and Jon Munshaw. Cisco Talos is releasing a new research paper called “The Art and Science of Detecting Cobalt Strike.” We recently released a more granular set of updated SNORTⓇ and ClamAVⓇ detection signatures to detect attempted obfusca