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May 5, 2022 08:01

Mustang Panda deploys a new wave of malware targeting Europe

* In February 2022, corresponding roughly with the start of the Russian Invasion of Ukraine, Cisco Talos began observing the China-based threat actor Mustang Panda conducting phishing campaigns against European entities, including Russian organizations. Some phishing messages co

May 3, 2022 08:00

Conti and Hive ransomware operations: What we learned from these groups' victim chats

As part of Cisco Talos’ continuous efforts to learn more about the current ransomware landscape, we recently examined a trove of chat logs between the Conti and Hive ransomware gangs and their victims. Ransomware-as-a-service groups have exploded in popularity over the past few

May 2, 2022 14:42

Vulnerability Spotlight: Two vulnerabilities in Accusoft ImageGear could lead to DoS, arbitrary free

Emmanuel Tacheau of Cisco Talos discovered these vulnerabilities. Cisco Talos recently discovered two new vulnerabilities in Accusoft ImageGear. The ImageGear library is a document-imaging developer toolkit that allows users to create, edit, annotate and convert various images.

April 29, 2022 15:18

Threat Roundup for April 22 to April 29

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between April 22 and April 29. 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

April 28, 2022 14:00

Threat Source newsletter (April 28, 2022) — The 2022 Cybersecurity Mock Draft

Welcome to this week’s edition of the Threat Source newsletter that’s going to be a little different, but bear with me. In honor of the NFL Draft starting this evening — an event that Cisco is helping to secure — I thought it’d be appropriate to look at building a cybersecurity

April 26, 2022 09:11

Quarterly Report: Incident Response trends in Q1 2022

Ransomware continues as the top threat, while a novel increase in APT activity emerges Ransomware was still the top threat Cisco Talos Incident Response (CTIR) saw in active engagements this quarter, continuing a trend that started in 2020. As mentioned in the 2021 year-in-revie

April 22, 2022 16:28

Threat Roundup for April 15 to April 22

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between April 15 and April 22. 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

April 21, 2022 14:00

Threat Source newsletter (April 21, 2022) — Sideloading apps is as safe as you make it

Welcome to this week’s edition of the Threat Source newsletter. If you pay attention to the video game community as much as I do, you’ve been closely following the ongoing legal battle between Apple and Epic over the sale of “Fortnite” on the Apple App Store. (I promise I won’t

April 21, 2022 12:00

Beers with Talos, Ep. #120: How attackers are finding ways around MFA

Beers with Talos (BWT) Podcast episode No. 120 is now available. Download this episode and subscribe to Beers with Talos: * Apple Podcasts * Google Podcasts * Spotify * Stitcher Recorded April 6, 2022 If iTunes and Google Play aren't your thing, click here. The trend