Security

Takedowns of prolific spam botnets, such as Rustock in 2011 and Grum in 2012, had a substantial effect on reducing overall global spam volumes. This, combined with diminishing returns for spammers sending via bots, had left many email recipients basking in the comfort of (mostly) clean inboxes. No d…

The Insider Lifecycle Traditional security is designed to keep outsiders from getting in. What happens when the enemy is an insider? A new paradigm must be explored, where the focus needs to shift inward and how data is going outbound. Identifying anomalies in data exfiltration is critical to how to…

Interested in learning more about the Cisco IoT Security Grand Challenge? Plan to attend a free one-hour webinar at 12 p.m. EDT Wednesday, May 7. Cisco Futurist Dave Evans and Dr. Tao Zhang, Chief Scientist for Smart Connected Vehicles at Cisco, will talk about why the Challenge is so important to t…

Enrollment over Secure Transport (EST) is a new standard (RFC7030) designed to improve the lifecycle management of digital certificates, a key element for secure communications. Cisco Engineer Max Pritikin coauthored the EST standard. We’re very excited about the potential use cases of EST, wh…

Editor’s Note: This is the final installment of a four-part series featuring an in-depth overview of InfoSec’s (Information Security) Unified Security Metrics Program (USM). In this blog entry, we discuss some of the lessons learned during the program’s first year. Winter weather i…

Update 5-1-2014: We can confirm Cisco customers have been targets of this attack. For the latest coverage information and additional details see our new post on the VRT blog.  The recent discovery of a new Internet Explorer zero-day exploit underlines how exposed web browsers are to vulnerabilities…

At the recent RSA Conference, I heard an MIT professor quip, “is it safe to keep passwords written on a piece of paper in your wallet?” Kidding aside, most of the mid-market customers I interacted with at RSA—in retail, healthcare, and manufacturing—understood the point. They all had sim…

The recent OpenSSL Heartbleed vulnerability has shown that technology leaders must work together to secure the Internet’s critical infrastructure. That’s why Cisco is proud to be a founding supporter of the Linux Foundation initiative announced yesterday (April 24th). The initiative will fund open s…

Mobile security is a top concern for IT and business leaders. This guest authored blog series with Dimension Data explores how organizational leaders can work together to mitigate concern and implement clearly defined policies to achieve mobility goals. We are pleased to introduce our guest author D…