cyber security

It’s December and the 2013 cyber security news cycle has just about run its course. We’ve seen more and increasingly virulent attacks, continued “innovation” by adversaries, and a minor revival of distributed denial of services (DDOS) actions perpetrated by hacktivists and other socio-politically mo…

(I pulled this list together with the help of my colleague Martin Chorich. Or maybe it was the other way around. ) Every year, publications ranging from supermarket tabloids to serious academic journals issue forecasts for the coming year. Those with foresight hold on to these articles and read them…

Last month I attended a summit of subject matter experts on securing the Internet of Things (IoT). At first, I thought I had the wrong room, because it seemed that everybody other than me was an architect or engineer working for a device manufacturer, and as a result the conversation was dominated b…

Hi there and welcome to today’s U.S. National Cyber Security Awareness Month tip, courtesy of those of us involved in administering and/or contributing to Cisco Security Intelligence Operations!! For all of you savvy technologists and those well versed in the security realm many of these tips…

After delivering several presentations at Cisco Live and Cisco Connect this year, I received a few questions regarding DNS Response Policy Zones (RPZ) and how can they be used to block DNS resolution to known malicious hosts and sites. I decided to write this short post to explain what it is and pro…

For the last couple of years, Cisco Security Intelligence Operations has released a series of blog posts for National Cybersecurity Awareness Month. The theme for this month from the National Cyber Security Alliance is “Our Shared Responsibility.” The Department of Homeland Security is r…

In June, I attended the Gartner Security Summit in Washington, D.C. where I was asked by quite a few security executives, “My network folks just bought ISE, but what is ISE and what type of security does it provide?”  Fast forward to July, and I wish I had this SANS review on ISE to offer a month ea…

Today’s threat landscape is more dynamic than ever before. Rapid changes in the world around us, driven by cloud, mobility and the Internet of Everything, are considerably affecting traditional security approaches. The notion of the “perimeter” no longer exists and threats are able to circumvent tra…

Cisco published earlier this week the 2013 Cisco Global IT Impact Survey, exploring the relationship between IT and the business goals of the companies they support.  Among other things, 42 percent of those interviewed responded that they know about the Internet of Things, “as well as I know E…