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June 2, 2021 17:19

Vulnerability Spotlight: Use-after-free vulnerability in WebKit

Marcin Towalski of Cisco Talos discovered these vulnerabilities. Blog by Jon Munshaw. The WebKit browser engine contains a use-after-free vulnerability in its GraphicsContext function. A malicious web page code could trigger a use-after-free error, which could lead to a potentia

June 2, 2021 09:13

Vulnerability Spotlight: A deep dive into macOS SMB server

By Aleksandar Nikolich. Executive summary Cisco Talos recently discovered multiple vulnerabilities in macOS’s implementation of SMB server. An adversary could exploit these vulnerabilities to carry out a variety of malicious actions, including revealing sensitive information o

June 1, 2021 13:11

Vulnerability Spotlight: Multiple vulnerabilities in Accusoft ImageGear

Emmanuel Tacheau of Cisco Talos discovered these vulnerabilities. Blog by Jon Munshaw. Cisco Talos recently discovered multiple vulnerabilities in Accusoft ImageGear. The ImageGear library is a document-imaging developer toolkit that allows users to create, edit, annotate and c

May 28, 2021 12:32

Threat Roundup for May 21 to May 28

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between May 21 and May 28. 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 key

May 28, 2021 10:30

Talos Takes Ep. #55: How Transparent Tribe could evolve in the future

The latest episode of Talos Takes is available now. Download this episode and subscribe to Talos Takes using the buttons below, or visit the Talos Takes page. We recently covered how the Transparent Tribe APT added another RAT to its arsenal. Where might they go from here? In th

May 27, 2021 13:56

Threat Source newsletter (May 27, 2021)

Newsletter compiled by Jon Munshaw. Good afternoon, Talos readers. We're used to referring to attackers as either APTs or not APTs. And when something is an APT, it sounds a lot scarier and sexier. But it's our belief that that isn't going to cut it anymore. Theref

May 26, 2021 08:00

Elizabethan England has nothing on modern-day Russia

This post was authored by Warren Mercer and Vitor Ventura The threat landscape is changing. Organizations need to defend against an ever-evolving tranche of threat actors. For a long time, the lines that distinguish state-sponsored and crimeware groups were well-defined. We beli

May 24, 2021 12:47

Vulnerability Spotlight: Multiple vulnerabilities in Trend Micro Home Network Security Station

Carl Hurd and Kelly Leuschner of Cisco Talos discovered this vulnerability. Blog by Jon Munshaw. Cisco Talos recently discovered multiple vulnerabilities in Trend Micro’s Home Network Security Station. The Home Network Security Station is a device that monitors and protects hom

May 21, 2021 15:27

Threat Roundup for May 14 to May 21

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between May 14 and May 21. 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 key