encrypted traffic

Today we launch our 2019 Threats of the Year report; a look back at the major tools and tactics that cybercriminals have exploited over the past year. Based on original research conducted for our ‘Threat of the Month’ blog series, we look into the impact of directed attacks against specific o…

There was a time when the web was open. Quite literally—communications taking place on the early web were not masked in any significant fashion. This meant that it was fairly trivial for a bad actor to intercept and read the data being transmitted between networked devices. This was especially troub…

Encrypted traffic is changing the threat landscape. Today’s digital businesses rely on encryption of application traffic for information sharing. The fact that the Internet is becoming increasingly “dark” is not debated with all indicators showing a steady increase. Compounding this issue is the pot…

Defenders face two significant challenges in today’s complex threat landscape. First, the number and variety of malware types and families are increasing—so much so that automation of detection and response efforts is now a must. Second, the volume of encrypted web traffic—both legitimate and malici…

Just over a year ago, David McGrew, one of Cisco’s fellows, walked into my office to brief me on a project he was working on. The next 45 minutes were pretty unforgettable. He explained to me that he and his team had discovered how to solve one of the biggest challenges in network security: They had…

This post was authored by Jan Kohout, Veronica Valeros and Petr Somol. Increasing adoption of encryption in web communication significantly contributes to protection of users’ privacy. However, it also brings tough challenges for intrusion detection systems that need to analyze the traffic wit…

Technische Universität Darmstadt, usually known as TU Darmstadt is a research university based in Germany. It was founded in 1877 and over the last 137 years has grown to be among the largest and most prestigious public universities in Germany serving over 25,000 students per year. It is the alma-ma…