malware
Threat Roundup for August 9 to August 16
1 min read
Today, Talos is publishing a glimpse into the most prevalent threats we've observed between Aug. 9 and Aug. 16. As...
Threat Roundup for August 2 to August 9
1 min read
Today, Talos is publishing a glimpse into the most prevalent threats we've observed between Aug. 2 and Aug. 9. As...
The Endless Scourge of Malicious Email
2 min read
Email: Click with Caution – How to protect against phishing, fraud, and other scams... We invite you to download our full report.
10 years of virtual dynamite: A high-level retrospective of ATM malware
1 min read
It has been 10 years since the discovery of Skimer, first malware specifically designed to attack automated teller machines (ATMs). At the time, the learning curve for understanding its functionality...
One year later: The VPNFilter catastrophe that wasn’t
1 min read
One year ago, Cisco Talos first disclosed the existence of VPNFilter on May 23, 2018. The malware made headlines across the globe, as it was a sophisticated piece of malware...
Recent MuddyWater-associated BlackWater campaign shows signs of new anti-detection techniques
1 min read
This blog was authored by Danny Adamitis, David Maynor, and Kendall McKay Executive summary Cisco Talos assesses with moderate confidence that a campaign we recently...
TLS Fingerprinting in the Real World
4 min read
To protect your data, you must understand the traffic on your network.
JasperLoader Emerges, Targets Italy with Gootkit Banking Trojan
1 min read
Nick Biasini and Edmund Brumaghin authored this blog post with contributions from Andrew Williams. Introduction to JasperLoader Malware loaders are playing an increasingly important role in malware distribution. They give...
DNSpionage brings out the Karkoff
1 min read
In November 2018, Cisco Talos discovered an attack campaign, called DNSpionage, in which threat actors created a new remote administrative tool that supports HTTP and DNS communication with the attackers'...