Threat Source newsletter for May 14, 2020
Newsletter compiled by Jon Munshaw. Welcome to this week’s Threat Source newsletter — the perfect place to get caught up on all things Talos from the past week. Our main focus this week is on Astaroth. This is a malware family that has been targeting Brazil with a variety of l
Microsoft Patch Tuesday — May 2020: Vulnerability disclosures and Snort coverage
By Jon Munshaw. Microsoft released its monthly security update today, disclosing vulnerabilities across many of its products and releasing corresponding updates. This month's Patch Tuesday covers 111 vulnerabilities. Fifteen of the flaws Microsoft disclosed are considered cr
Vulnerability Spotlight: Code execution vulnerability in Microsoft Excel
Cisco Talos recently discovered a code execution vulnerability in some versions of Microsoft Excel. An attacker could exploit this vulnerability by tricking the victim into opening a specially crafted Excel file, triggering a use-after-free condition and allowing them to execute
Vulnerability Spotlight: Remote code execution vulnerabilities in Adobe Acrobat Reader
Cisco Talos recently discovered two remote code execution vulnerabilities in Adobe Acrobat Reader. Acrobat supports a number of features, including the ability to process embedded JavaScript. These flaws specifically exist in the way the software handles the destruction of annota
Threat Spotlight: Astaroth — Maze of obfuscation and evasion reveals dark stealer
By Nick Biasini, Edmund Brumaghin and Nick Lister. * Cisco Talos is detailing an information stealer, Astaroth, that has been targeting Brazil with a variety of lures, including COVID-19 for the past nine to 12 months. * Complex maze of obfuscation and anti-analysis/evasion t
Threat Roundup for May 1 to May 8
Today, Talos is publishing a glimpse into the most prevalent threats we've observed between May 1 and May 8. 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 key b
Threat Source newsletter for May 7, 2020
Newsletter compiled by Jon Munshaw. Welcome to this week’s Threat Source newsletter — the perfect place to get caught up on all things Talos from the past week. With all of us working from home, Beers with Talos episodes are coming out faster than ever. This week, we have an a
Beers with Talos Ep. #80: Working securely in a new (not yet) normal
If iTunes and Google Play aren't your thing, click here. Recorded April 24, 2020 Matt isn’t with us today, but the rest of the crew discusses some current security issues in our new work-from-home environment, including some better-than-just-the-basics advice on how to prote
Vulnerability Spotlight: Code execution vulnerability in 3S CODESYS
Carl Hurd of Cisco Talos discovered these vulnerabilities. Blog by Jon Munshaw. Cisco Talos recently discovered an exploitable code execution vulnerability in 3S’ CODESYS Control SoftPLC runtime system. The system allows any embedded or PC device to convert into an IEC 61131-3-