Security

The rapid expansion of connected devices is a double-edged sword for businesses. On one hand, mobility, cloud, and BYOD innovations enable unprecedented flexibility, collaboration, and ease of access for employees. Fifty percent of employers will adopt BYOD policies by 2017, and 90 percent of Americ…

The digital economy and the Internet of Everything (IoE) are creating a host of new opportunities.  With as many as 50 billion connected devices by 2020, this wave of digitization will spell new opportunities for organizations and governments and the consumers and citizens they serve. Yet, the more…

The topic of cybersecurity has become so ubiquitous that it’s almost a daily occurrence to read or hear about security breaches in the news. Cisco understands this paradigm shift within the nature of computing, that the Digital Economy and the Internet of Everything now requires what we are calling…

In one of my previous posts, I noted how Network Access Control (NAC) platforms have started evolving into more visibility-focused and context-aware platforms in the face of major business trends such as enterprise mobility, the migration of resources to the cloud, and the ubiquitous Internet of Eve…

Cisco continues to strengthen the security in and around its products, solutions, and services. This week Cisco began providing a Secure Hash Algorithm (SHA) 512 bits (SHA512) checksum to validate downloaded images on www.cisco.com. Cisco already provided a Message Digest 5 (MD5) checksum as the sec…

“In our increasingly interconnected world, the Internet of Everything is making trust a critical element of how people use network-connected devices to work, play, live, and learn. The relentless rise in information security breaches underscores the deep need for enterprises to trust that their syst…

Each day more than 100 billion corporate email messages are exchanged1. Who doesn’t need to do a little housekeeping and eliminate unwanted emails? But you need to think twice before you click on “unsubscribe.” As you likely read in the 2015 Cisco Annual Security Report, attackers are using applicat…

On May 19th, 2015 a team of researchers (Henninger et. al) published a paper with the title “Imperfect Forward Secrecy: How Diffie-Hellman Fails in Practice”. The paper can be divided in two sections: 1) discrete logs on a 512-bit Diffie-Hellman (DH) group, and 2) a new attack against th…

This post was authored by Cisco CSIRT’s Robert Semans, Brandon Enright, James Sheppard, and Matt Healy. In late 2013­­­–early 2014, a compromised FTP client dubbed “StealZilla,” based off the open source FileZilla FTP client was discovered. The attackers modified a few lines of code, recompile…