1 min read

      Locky has continued to evolve since its inception in February 2016. This has made it difficult to track at times due to changes in the way in which it’s distributed as well as various characteristics of the malware itself. The actors responsible for Locky have continuously attempted to improve operational security (OpSec) […]

1 min read

Patch Tuesday has once again arrived! Microsoft’s monthly release of security bulletins to address vulnerabilities provides fixes for 37 newly disclosed security flaws. Today’s release sees a total of 10 bulletins with five of the bulletins rated critical, addressing vulnerabilities in Edge, Graphics Component, Internet Explorer, Video Control, and Adobe Flash Player. Four bulletins are […]

1 min read

Exploit uses a maliciously crafted image file as an email attachment or via an instant message.

1 min read

Vulnerability discovered by Aleksandar Nikolic of Cisco Talos Overview Talos has identified an exploitable out-of-bounds vulnerability in the JPEG 2000 image file format parser implemented in OpenJPEG library (TALOS-2016-0193/CVE-2016-8332). The JPEG 2000 file format is commonly used for embedding images inside PDF documents. This particular vulnerability could allow an out-of-bound heap write to occur, resulting […]

1 min read

This post was authored by Edmund Brumaghin Summary Tofsee is multi-purpose malware that has been in existence for several years, operating since at least 2013. It features a number of modules that are used to carry out various activities such as sending spam messages, conducting click fraud, mining cryptocurrency, and more. Once infected, systems become […]

1 min read

This blog was authored by Ben Baker, Edmund Brumaghin, and Jonah Samost. Executive Summary GozNym is the combination of features from two previously identified families of malware, Gozi and Nymaim. Gozi was a widely distributed banking trojan with a known Domain Generation Algorithm (DGA) and also contained the ability to install a Master Boot Record […]

1 min read

This blog post was authored by Jaeson Schultz. For the past five years we have enjoyed a relatively calm period with respect to spam volumes. Back at the turn of the decade the world was experiencing record-high volumes of spam. However, with the evolution of new anti-spam technologies, combined with some high-profile takedowns of spam-related […]

1 min read

This post was authored by Jaeson Schultz. Well it’s Microsoft Patch Tuesday, again, and that must mean we are girding our systems against another round of security vulnerabilities. This month Microsoft has released fourteen (14) bulletins covering fifty (50) security vulnerabilities. There are seven bulletins in the set whose severity is considered “Critical”. These “Critical” […]

1 min read

Yet another example of how organizations work together to stop threats affecting users around the globe.