security

Chances are you might be reading this blogpost on a device other than a laptop or desktop computer.  I’d also wager that the device you’re using to read this post handles double-duty – that is, you use it for both work (e.g., checking email, reviewing confidential documents) and play (e.g., Vine, Fl…

Editor’s note: In A Circular Problem in Current Information Security Principles, we highlighted one of the challenges in our knowledge domain that contributes to the ineffectiveness of today’s information security practices. In this third installment, we review the issues and dilemmas that are commo…

Advanced malware is dynamic, elusive, and evasive. Once it slithers into the organization’s extended network, it can very quickly proliferate, cause problems, and remain undetected by traditional point-in-time security tools. These tools poll or scan endpoints for malware or indicators of comp…

This post was authored by Christopher Marczewski with contributions from Craig WIlliams *This blog post has been updated to include Command and Control IP addresses used by the malware. A new piece of wiper malware has received quite a bit of media attention. Despite all the recent press, Cisco̵…

Editor’s Note: In this second installment of the blog series on more responsive security, we take a closer look at the circular problems associated with four common security principles in managing “weak link” risks in Information Technology organizations. Before discussing what con…

This post was authored by Alex Chiu and Shaun Hurley. Last month, Microsoft released a security bulletin to patch CVE-2014-6332, a vulnerability within Windows Object Linking and Embedding (OLE) that could result in remote code execution if a user views a maliciously crafted web page with Microsoft…

Given that modern attacks are complex and sophisticated, there is not a single product or tool that will ever be 100% effective at detecting threats. Prevention eventually fails. Therefore, you need protection before, during, and after an attack. Modern-day networks are large and complicated. It is…

A little more than a year ago when Sourcefire became a part of Cisco, we reaffirmed our commitment to open source innovation and pledged to continue support for Snort and other open source projects. Our announcement of the OpenAppID initiative earlier this year was one of several ways we have delive…

This post was authored by Armin Pelkmann and Earl Carter. Talos Security Intelligence and Research Group noticed a reappearance of several Dridex email campaigns, starting last week and continuing into this week as well. Dridex is in a nutshell, malware designed to steal your financial account infor…