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September 8, 2020 16:27

Microsoft Patch Tuesday for Sept. 2020 — Snort rules and prominent vulnerabilities

By Jon Munshaw. Microsoft released its monthly security update Tuesday, disclosing more than 120 vulnerabilities across its array of products. Twenty-three of the vulnerabilities are considered “critical" while the vast remainder are ranked as “important.” Users of all Mic

September 8, 2020 16:25

Vulnerability Spotlight: Privilege escalation in Windows 10 CLFS driver

Marcin “Icewall” Noga of Cisco Talos discovered this vulnerability. Blog by Jon Munshaw. Cisco Talos recently discovered a privilege escalation vulnerability in the Windows 10 Common Log File System. CLFS is a general-purpose logging service that can be used by software clients

September 4, 2020 18:15

Threat Roundup for August 28 to September 4

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between Aug. 28 and Sept. 4. As with previous roundups, this post isn't meant to be an in-depth analysis. Instead, this post will summarize the threats we've observed by highlighting k

September 3, 2020 14:00

Threat Source newsletter for Sept. 3, 2020

Newsletter compiled by Jon Munshaw. Good afternoon, Talos readers. We recently uncovered a series of email campaigns utilizing links to malicious documents hosted on legitimate file-sharing platforms to spread malware. The campaigns distributed various malware payloads includin

September 3, 2020 11:05

Salfram: Robbing the place without removing your name tag

Threat summary * Cisco Talos recently uncovered a series of email campaigns utilizing links to malicious documents hosted on legitimate file-sharing platforms to spread malware. * The campaigns distributed various malware payloads including Gozi ISFB, ZLoader, SmokeLoader and

September 2, 2020 07:00

Better email classification, courtesy of you

Cisco customers with Email Security Appliances (ESA) or Cloud Email Security (CES) accounts already know the benefits of Cisco’s email filtering. Every day, millions of malicious emails are automatically sent to the trash bin. Cisco encourages customers to participate in honing t

September 1, 2020 14:58

Beers with Talos ep. #91: Get the FUD out

If iTunes and Google Play aren't your thing, click here. By Mitch Neff. Recorded Aug. 14, 2020 Let’s talk about FUD. It’s not enough to just say FUD sucks. Let’s talk about exactly how and why producers of FUD are garbage nightmare monster people. We also cover how they are

September 1, 2020 14:49

Vulnerability Spotlight: Code execution, memory corruption vulnerabilities in Accusoft ImageGear

Emmanuel Tacheau of Cisco Talos discovered these vulnerabilities. Blog by Jon Munshaw. Cisco Talos recently discovered two vulnerabilities in Accusoft ImageGear. The ImageGear library is a document-imaging developer toolkit to assist users with image conversion, creation, editin

September 1, 2020 11:00

Quarterly Report: Incident Response trends in Summer 2020

By David Liebenberg and Caitlin Huey. For the fifth quarter in a row, Cisco Talos Incident Response (CTIR) observed ransomware dominating the threat landscape. Infections involved a wide variety of malware families including Ryuk, Maze, LockBit, and Netwalker, among others.  In