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This post is authored by Earl Carter & Holger Unterbrink. Overview Talos is often tasked with mapping the backend network for a specific piece of malware. One approach is to first reverse engineer the sample and determine exactly how it operates.
Several recent cyber attacks have served as great reminders that we need to continue to re-assess how we are protecting our networks and ensure that we make no assumptions of any device being secure in the network. One example of this is “SYNFul
Today, we released the last Cisco IOS & XE Software Security Advisory Bundled Publication of 2015. As a reminder, Cisco discloses IOS vulnerabilities on a predictable schedule (the fourth Wednesday of March and September each calendar year). Last
This post was authored by William McVey. Update 9/23: We updated the tool to version 1.0.1 Talos is constantly researching the ways in which threat actors are evolving to exploit systems. Recently, a piece of persistent malware coined as “SYNful
Summary In the past several months Cisco Cognitive Threat Analytics (CTA) researchers have observed a number of blog sites using either fake content or content stolen from other sites to...
The security of our customers is critical, and when needed, we pull out all stops to protect them. Cisco participates in a large ecosystem of partners, industry peers (yes, that includes competitors), and non-profits that provides insight and
In so many parts of life, the passing of time is a benefit. Wine and whisky mature, intelligence is gained, and friendships grow stronger. For those of us working in IT security, however, the passing of time brings new challenges. Prolonging the use
Interest in IT security has never been higher. So when a new type of attack comes along, it attracts the attention of our customers and others in the industry. Earlier this week Cisco and Mandiant/Fireye released information about the so-called SYNful
This post was authored by Earl Carter, Alex Chiu, Joel Esler, Geoff Serrao, and Brandon Stultz. Defining what is malware relies on determining when undesirable behavior crosses the line from benign to clearly unwanted. The lack of a single standard
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