Security

Macros have been used since the mid 1990s to spread malware and infect systems. Increased user awareness of the need to disable the macro function within Microsoft Word during the late 90s and early 2000s sent these malware into decline. However, a change in Microsoft (MS) Office file formats dating…

I’m excited to announce today that Cisco has completed the acquisition of CloudLock. CloudLock’s unique approach to security enables customers to manage and secure their transition to the cloud by providing powerful security insights and controls that are easy to deploy and simple to manage. In a ne…

Email continues to be the number one business communication method and is still the number one threat vector. This ubiquitous communication technology also provides an effective path for criminal actors. Today, customers are more concerned about targeted and other advanced attacks rather than spam c…

No security risk assessment is complete without the executive summary section. Something that can answer the high level questions security teams get asked including “how secure are we?”, “what threats are affecting our network today?” and “how healthy is our network?” We have recently revamped the C…

There is always something of an air of anticipation in the Security community as we approach Black Hat and DEFCON. This is your official guide to what Cisco’s Talos Threat Intelligence team is doing at Black Hat 2016. There are a lot of classes, great talks, technical deep-dives, late parties,…

It’s time again for our Midyear Cybersecurity Report (MCR), providing updates from Cisco security researchers on the state of security from the first half of the year. The 2016 MCR supplements the 2016 Cisco Annual Security Report published in January with mid-year analysis and insights on the evolv…

The threat environment faced by organization deploying branch networks continues to evolve. It’s time for a disruptive approach to handling network security across many distributed branch sites. Automation is becoming a requirement, because the growing volume and complexity of the threats to data se…

This blog was authored by Edmund Brumaghin and Warren Mercer Summary Talos recently published research regarding a new variant of destructive ransomware, which we dubbed Ranscam. During further analysis of Ranscam samples, we discovered several indicators of compromise (IOCs) that piqued our curiosi…

This blog is a co-authored by Jeff Bollinger & Gavin Reid Are You Too Confident in Your Incident Response? When Charles Darwin stated “Ignorance more frequently begets confidence than does knowledge,” civilization’s evolution from Industrial Age to Information Age was nearly a century away…