Cisco Talos Blog

August 7, 2023 08:00

Code leaks are causing an influx of new ransomware actors

Cisco Talos is seeing an increasing number of ransomware variants emerge, since 2021, leading to more frequent attacks and new challenges for cybersecurity professionals, particularly regarding actor attribution.

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

March 29, 2022 08:01

Transparent Tribe campaign uses new bespoke malware to target Indian government officials

By Asheer Malhotra and Justin Thattil with contributions from Kendall McKay. * Cisco Talos has observed a new Transparent Tribe campaign targeting Indian government and military entities. While the actors are infecting victims with CrimsonRAT, their well-known malware of choi

May 13, 2021 08:08

Transparent Tribe APT expands its Windows malware arsenal

Transparent Tribe, also known as APT36 and Mythic Leopard, continues to create fake domains mimicking legitimate military and defense organizations as a core component of their operations. Cisco Talos’ previous research has mainly linked this group to CrimsonRAT, but new campaign

August 26, 2020 09:11

What to expect when you're electing: The building blocks of disinformation campaigns

By Nick Biasini, Kendall McKay and Matt Valites. 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 As Cisco Talos discovered du