Security

Historically, threat actors have targeted network devices to create disruption through a denial of service (DoS) situation. While this remains the most common type of attack on network devices, we continue to see advances that focus on further compromising the victim’s infrastructure. Recently, the…

The Cisco IPS network based intrusion prevention system (NIPS) uses signatures to detect network-based attacks. Signatures can be created in a variety of engines based on the type of network traffic being inspected. Cisco signatures have very flexible configurations. In this blog post, I will discus…

Cisco Cognitive Threat Analytics is a security analytics product that discovers breaches in Cisco customer’s networks by means of advanced statistical analysis, machine learning and global correlation in Cisco security cloud. Attached to Cloud Web Security (CWS) and Web Security Appliances (WS…

A few years ago sandboxing technology really came of age in the security industry. The ability to emulate an environment, detonate a file without risk of infection, and analyze its behavior became quite a handy research tool. Since then, sandboxes have become relatively popular (not nearly on the sa…

Discovered by Andrea Allievi and Piotr Bania of Cisco Talos.   Talos, in conjunction with Microsoft’s security advisory issued on September 8th, is disclosing the discovery of a memory corruption vulnerability within the Microsoft Windows CDD Font Parsing Kernel Driver. This vulnerability was i…

Today, Microsoft has released their monthly set of security bulletins designed to address security vulnerabilities within their products. This month’s release sees a total of 12 bulletins released which address 55 CVEs. Five bulletins are rated “Critical” this month and address vulnerabi…

This post was authored by Karel Bartos, Vojtech Franc, & Michal Sofka. Malware is constantly evolving and changing. One way to identify malware is by analyzing the communication that the malware performs on the network. Using machine learning, these traffic patterns can be utilized to identify m…

This post was authored by Alex Chiu and Xabier Ugarte Pedrero. Talos recently spotted a targeted phishing attack with several unique characteristics that are not normally seen. While we monitor phishing campaigns used to distribute threats such as Dridex, Upatre, and Cryptowall, targeted phishing at…

Today an out of band advisory was released by Microsoft to address CVE-2015-2502. This vulnerability is addressed by MS15-093. MS15-093 address a memory corruption vulnerability in Internet Explorer versions 7, 8, 9, 10, and 11. This affects all currently supported versions of Windows, including Wi…