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March 6, 2020 15:58

Threat Roundup for February 28 to March 6

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between Feb. 28 and March 6. 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

March 5, 2020 14:00

Threat Source newsletter (March 5, 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. Sure, all anyone wants to talk about is coronavirus. But what about cyber security? We’ve still got cool stuff, like

March 5, 2020 06:01

Bisonal: 10 years of play

By Warren Mercer, Paul Rascagneres and Vitor Ventura. Update 06/03/20: added samples from 2020. Executive summary * Security researchers detected and exposed the Bisonal malware over the past 10 years. But the Tonto team, the threat actor behind it, didn't stop. * Th

March 3, 2020 08:38

Video: What defenders can learn from past ransomware attacks

The Cisco Talos Incident Response "Stories from the Field" video series returns with another entry from Matt Aubert. This time, Matt discusses ransomware infections he's seen in real-time, and shares what defenders can learn from others' mistakes and recovery.

February 28, 2020 12:52

Threat Roundup for February 21 to February 28

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between Feb. 21 and Feb. 28. 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

February 27, 2020 14:00

Threat Source newsletter (Feb. 27, 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. We know we’ve kept you waiting for a while, but the new Snort Resources page is finally here. We’ve got new and impr

February 27, 2020 07:47

Beers with Talos Ep. #73: Feature ownership, vuln advisories and fancy audio FX

Beers with Talos (BWT) Podcast episode No. 73 is now available. Download this episode and subscribe to Beers with Talos: If iTunes and Google Play aren't your thing, click here. Recorded Feb. 19, 2020 Craig made an oopsie. Pardon his echo-chamber reverb. We had no idea unti

February 25, 2020 16:37

New Research Paper: Prevalence and impact of low-entropy packing schemes in the malware ecosystem

Detection of malware is a constant battle between the technologies designed to detect and prevent malware and the authors creating them. One common technique adversaries leverage is packing binaries. Packing an executable is similar to applying compression or encryption and can i

February 24, 2020 10:04

Vulnerability Spotlight: Multiple vulnerabilities in Moxa AWK-3131A

Jared Rittle and Carl Hurd of Cisco Talos discovered these vulnerabilities. Blog by Jon Munshaw. The Moxa AWK-3131A networking device contains several different vulnerabilities that an attacker could exploit to carry out malicious activities in an industrial environment. The AWK