Security

Edmund Brumaghin and Holger Unterbrink authored this blog post. Executive summary Malware designed to steal sensitive information has been a threat to organizations around the world for a long time. The emergence of the greyware market and the increased commercialization of keyloggers, stealers, and…

Cisco Talos is disclosing a series of vulnerabilities found in the Shimo VPN Helper Tool. Shimo VPN is a popular VPN client for MacOS that can be used to connect multiple VPN accounts to one application. These specific vulnerabilities were found in the “helper tool,” a feature that Shimo VPN uses to…

Black Hat 2019 returned to Singapore with Black Hat Asia with four days of Trainings and Briefings, with the Business Hall. Cisco Security is proud to be a Technology Partner of Black Hat in the Network Operations Center’s (NOC) Security Operations. The focus of the NOC is to provide secure and open…

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…

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…

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…

You may think that cybercrime takes place in hidden corners of the Internet, where the malicious actors lurk in dark web forums and utilize heavily encrypted networks that require complicated software and extensive authorizations just to access. Unfortunately, that’s not always the case. Sometimes s…

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…

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,…