Cisco Talos Blog

April 15, 2021 14:00

Threat Source Newsletter (April 15, 2021)

Newsletter compiled by Jon Munshaw. Good afternoon, Talos readers. If you missed our webinar last week, we've got you covered. We've uploaded an extended version to our YouTube page that includes the scripts used in the presentation. This video will show you how to reve

April 9, 2021 11:03

Talos Takes Ep. #48: The complete history of ObliqueRAT

The latest episode of Talos Takes is available now. Download this episode and subscribe to Talos Takes using the buttons below, or visit the Talos Takes page. After researching and writing about ObliqueRAT for several months now, Asheer Malhotra joins Talos Takes for the first t

April 8, 2021 14:00

Threat Source Newsletter (April 8, 2021)

Newsletter compiled by Jon Munshaw. Good afternoon, Talos readers. We've all heard about spam coming through your email or those robocalls we all hate. But during the COVID-19 pandemic, attackers are now turning to chat rooms and gaming servers to spread spam. Talos researc

April 2, 2021 10:00

Talos Takes Ep. #47: Looking back at the Masslogger trojan

The latest episode of Talos Takes is available now. Download this episode and subscribe to Talos Takes using the buttons below, or visit the Talos Takes page. We return to our usual formatting this week to discuss the Masslogger trojan. We covered this threat earlier this year i

April 1, 2021 14:00

Threat Source Newsletter (April 1, 2021)

Newsletter compiled by Jon Munshaw. Good afternoon, Talos readers. We hope you’re enjoying Cisco Live this week and only reading this after you’ve caught up on your sessions for the day. No April Fool’s jokes here (thankfully) — we are just excited to tell you that application

March 26, 2021 10:00

Talos Takes Ep. #46: Everything you could ever hope to know about Snort 3

The latest episode of Talos Takes is available now. Download this episode and subscribe to Talos Takes using the buttons below, or visit the Talos Takes page. We've got another special XL episode this week, this time about Snort 3. This roundtable covers everything you could

March 25, 2021 14:00

Threat Source Newsletter (March 25, 2021)

Newsletter compiled by Jon Munshaw. Good afternoon, Talos readers. The Cisco Talos Incident Response team has several new, valuable insights into the threat landscape in the latest Quarterly Trends report. This post highlights the malware families our researchers are seeing mos

March 24, 2021 08:26

Quarterly Report: Incident Response trends from Winter 2020-21

For the seventh quarter in a row, Cisco Talos Incident Response (CTIR) observed ransomware dominating the threat landscape. The top variants were Ryuk and Vatet, which is notable given the absence of Ryuk last quarter. We also observed variants of Egregor and WastedLocker continu

March 19, 2021 11:28

Talos Takes Ep. #45: SMS authentication is still around, but that doesn't mean it's a good option

The latest episode of Talos Takes is available now. Download this episode and subscribe to Talos Takes using the buttons below, or visit the Talos Takes page. While there are many ways to add an extra layer of security to your logins nowadays, SMS is one that should probably be