Security

Recently, researchers have uncovered new attacks against the Long-Term Evolution (LTE) network protocol. LTE, a type of 4G network, is a mobile communications standard used by billions of devices around the world. Security researchers from Ruhr-Universität Bochum and New York University Abu Dhabi di…

For many service providers, the digital transformation journey may not be the smoothest. Many service providers (SP) are going through a phase where they are either trying to understand the new technologies or in the process of early adoption and implementation–with a majority just beginning t…

Time is critical when facing an incoming attack. Security analysts and incident responders must quickly detect, investigate, understand, and react quickly to limit any potential damage. They sift through threat intelligence information from multiple sources and event logs from multiple devices to de…

Cisco Talos has been tracking a new version of Smoke Loader — a malicious application that can be used to load other malware — for the past several months following an alert from Cisco Advanced Malware Protection’s (AMP) Exploit Prevention engine. AMP successfully stopped the malware before it was a…

Mid- to large-sized enterprises have for many years built the operational technology (OT) environment like an egg – a hard exterior protected by traditional security elements such as firewalls, IDS/IPS, and malware detection (if you are lucky), but a soft interior leaving critical operational assets…

Today, Talos is publishing a glimpse into the most prevalent threats we’ve observed between June 22 and June 29. As with previous round-ups, 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…

Today, Talos is disclosing a vulnerability in VMWare Workstation that could result in Denial of Service.  VMWare Workstation is a widely used virtualization platform designed to run alongside a normal operating system, allowing users to use both virtualized and physical systems concurrently. TALOS-2…

Deciding on a new endpoint security vendor is tough. From your very first search, you’ll get a lot of overused terms thrown at you – machine learning, artificial intelligence, next-generation antivirus, fileless malware protection, threat hunting – the list goes on. The headlines can sound tempting…

This blog post was authored by Edmund Brumaghin, Earl Carter and Andrew Williams. Executive summary Cisco Talos has analyzed Thanatos, a ransomware variant that is being distributed via multiple malware campaigns that have been conducted over the past few months. As a result of our research, we have…