Context One of the main targets of cyber-attacks is data exfiltration, which is the leakage of
sensitive or private data to an unauthorized entity. Data exfiltration can be perpetrated by an …

Network middleboxes are important components in modern networking systems, impacting
approximately 40% of network paths according to recent studies [1]. This survey paper …

We present DECANTeR, a system to detect anomalous outbound HTTP communication,
which passively extracts fingerprints for each application running on a monitored host. The …

Currently, encryption (such as the Transport Layer Security protocol) is used by increasingly
more network applications to protect their security and privacy, while it also benefits network …

The prevalence of the Internet and cloud-based applications, alongside the technological
evolution of smartphones, tablets and smartwatches, has resulted in users relying upon …

We designed a Network Exfiltration Detection System (NEDS) to detect data exfiltration as
occurring in ransomware attacks. The NEDS operates on aggregated metadata, which is …

Data traffic on the Internet is growing continuously due to the high number of connected
devices and increased number of applications and transactions performed online. To ensure …

Advanced Persistent Threats (APT) consist of most skillful hackers who employ sophisticated
techniques to stealthily gain unauthorized access to private networks and exfiltrate sensitive …

为解决基于机器学**的恶意加密流量检测易产生大量误报的问题, 利用安全两方计算,
在不泄露具体数据内容的前提下实现网络流量内容和入侵检测特征间的字符段比对 …

The safety of information inside of cloud networks is of interest to the network administrators.
In a new insider attack, inside attackers merge confidential information with videos using …