security

1 min read

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 source projects that are critical to core computing and Internet functions, and […]

3 min read

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 Darryl Wilson, Director, Enterprise Mobility for Dimension Data Americas, as the […]

2 min read

The Cisco IPS Signature Development team has released 4 signature updates in the past week. Each of the updates contains either modifications to existing signatures or additional signatures for detection of attacks related to the OpenSSL Heartbleed issue. I’m going to take a moment to summarize the signature coverage.

1 min read

Last week I published a brief blog about the OpenSSL heartbeat extension vulnerability, also known as the Heartbleed bug. One commenter asked, “What about the Cisco.com website? Is it safe to change our passwords on the site?” We received a handful of similar questions from customers today, so I would like to offer our formal […]

3 min read

A recent Bloor Research Market Update on Advanced Threat Protection reminds us of something that many security vendors have long been loath to acknowledge: traditional, point-in-time technologies, like anti-virus or sandboxes, are not entirely effective when defending against complex, sophisticated attacks. This is due to something we have said before and we will say again: […]

4 min read

Security concerns around cloud adoption can keep many IT and business leaders up at night. This blog series examines how organizations can take control of their cloud strategies. The first blog of this series discussing the role of data security in the cloud can be found here. The second blog of this series highlighting drivers […]

7 min read

Cisco Live, May 18-24, 2014, is quickly approaching and registration is open. This is the 25th anniversary of Cisco Live and we return to the Bay Area at San Francisco's Moscone Center. Educational sessions are organized into technology tracks to make it easy to find the topics that most interest you. With network and data security being top of mind, I'd like to highlight the Security technology track's exciting content lineup.

7 min read

Anyone can purchase an exploit pack (EP) license or rent time on an existing EP server. The challenge for threat actors is to redirect unsuspecting web browsing victims by force to the exploit landing page with sustained frequency. Naturally, like most criminal services in the underground, the dark art of traffic generation is a niche specialty that must be purchased to ensure drive-by campaign success. For the past year we have been tracking a threat actor (group) that compromises legitimate websites and redirects victims to EP landing pages. Over the past three months we observed the same actor using malvertising - leveraging content delivery networks (CDNs) to facilitate increased victim redirection - as part of larger exploit pack campaigns.

1 min read

We know that communicating quickly and openly about security vulnerabilities can result in a little extra public attention for Cisco. As a trustworthy vendor, this is something we’re happy to accept. It’s recently been said that there is only one thing being discussed by IT security people right now – the OpenSSL heartbeat extension vulnerability […]