Articles
Threat Roundup for April 5 to April 12
Today, Talos is publishing a glimpse into the most prevalent threats we’ve observed between Apr. 5 and Apr. 12. 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 behavioral c…
Sextortion Profits Decline Despite Higher Volume, New Techniques
Post authored by Nick Biasini and Jaeson Schultz. Sextortion spammers continue blasting away at high volume. The success they experienced with several high-profile campaigns last year has led these attackers to continue transmitting massive amounts of sextortion email. These sextortion spammers have…
Gustuff banking botnet targets Australia
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 spam scam previously spotted in Australia. Although this…
Threat Roundup for March 29 to April 5
Today, Talos is publishing a glimpse into the most prevalent threats we’ve observed between Mar. 29 and Apr. 5. 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 behavioral c…
Hiding in Plain Sight
This blog was written by Jon Munshaw and Jaeson Schultz. Cisco Talos is continually working to ensure that our threat intelligence not only accounts for the latest threats but also new versions of old threats, such as spam. This often means pursuing cybercriminals wherever they congregate. However,…
Threat Roundup for March 22 to March 29
Today, Talos is publishing a glimpse into the most prevalent threats we’ve observed between Mar. 22 and Mar. 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 key behavioral…
Threat Roundup for March 15 to March 22
Today, Talos is publishing a glimpse into the most prevalent threats we’ve observed between Mar. 15 and Mar. 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 key behavioral…
Ransomware or Wiper? LockerGoga Straddles the Line
Executive Summary Ransomware attacks have been in the news with increased frequency over the past few years. This type of malware can be extremely disruptive and even cause operational impacts in critical systems that may be infected. LockerGoga is yet another example of this sort of malware. Locker…
Vulnerability Spotlight: Multiple Vulnerabilities in CUJO Smart Firewall, Das U-Boot, OCTEON SDK, Webroot BrightCloud
Claudio Bozzato of Cisco Talos discovered these vulnerabilities. Executive summary CUJO AI produces the CUJO Smart Firewall, a device that provides protection to home networks against a myriad of threats such as malware, phishing websites and hacking attempts. Cisco Talos recently discovered 11 vuln…