This blog post discusses the technical details of a state-sponsored attack manipulating DNS systems. While this incident is limited to targeting primarily national security organizations in the Middle East and...
Sextortionists are doing everything to evade spam filters and convince potential victims that perceived threats are real. Here are some recent changes we’ve seen in the sextortion email landscape.
Cisco Talos has uncovered a new Android-based campaign targeting Australian financial institutions. As the investigation progressed, Talos came to understand that this campaign was associated with the "ChristinaMorrow" text message...
Cybercrime happens in hidden corners of the Internet, but also in social networks: Cisco Talos uncovered 74 criminal groups on Facebook. Fortunately, Cisco has a layered defense against cybercriminals.
LockerGoga is a ransomware variant that, while lacking sophistication, can still cause extensive damage to organizations or individuals. Talos has also seen wiper malware impersonate ransomware, such as NotPetya.
By 2020, Gartner predicts 20 billion connected devices will be online — and more devices mean more security threats. Connected devices have exploded into the public and corporate landscape, rattling...
Today, 250,000 organizations globally are placing their trust in Cisco Security. With our world-leading threat intelligence by Cisco Talos, we block billions of threats every day.
As malware researchers, we spend several days a week debugging malware in order to learn more about it. For that, we have several powerful and popular user mode tools to...