Cisco Talos Blog

December 3, 2020 14:00

Threat Source newsletter (Dec. 3, 2020)

Newsletter compiled by Jon Munshaw. Good afternoon, Talos readers. While ransomware has made all the headlines this year, that doesn’t mean cryptocurrency miners are going anywhere. We recently discovered a new actor we’re calling “Xanthe” that’s mining Monero on targets’ machi

November 19, 2020 13:51

Threat Source newsletter (Nov. 19, 2020)

Newsletter compiled by Jon Munshaw. Good afternoon, Talos readers. In case you hadn’t already realized, Snort somehow became a meme this week, so that was fun. As 2020 (finally...or already...I can’t decide which) comes to an end, we’re going to start doing a look back at the

November 12, 2020 14:00

Threat Source newsletter (Nov. 12, 2020)

Newsletter compiled by Jon Munshaw. Good afternoon, Talos readers. We’re back after a few-week hiatus! And to celebrate, we just dropped some new research on the CRAT trojan that’s bringing some ransomware friends along with it. This blog post has all the details of this threat

October 15, 2020 14:00

Threat Source newsletter (Oct. 15, 2020)

Newsletter compiled by Jon Munshaw. Good afternoon, Talos readers. In our latest entry into our election security series, we’re turning our attention to the professionals who are responsible for securing our elections. After months of research, we’ve compiled a series of rec

October 8, 2020 14:00

Threat Source newsletter for Oct. 8, 2020

Newsletter compiled by Jon Munshaw. Good afternoon, Talos readers. We’ve been writing and talking about election security a ton lately. And as the U.S. presidential election draws closer, we decided it was time to summarize some things. So, we released this blog post with our f

October 1, 2020 14:00

Threat Source newsletter for Oct. 1, 2020

Newsletter compiled by Jon Munshaw. Good afternoon, Talos readers. In the past, we’ve covered what disinformation (otherwise known as “fake news”) is and who spreads it. Now, we’re diving into why it works, and why it’s so easy for people to spread. Check out our full paper her

September 24, 2020 14:00

Threat Source newsletter for Sept. 24, 2020

Newsletter compiled by Jon Munshaw. Good afternoon, Talos readers. After months (years?) in beta, an official release candidate is out now for Snort 3. Stay tuned for an officially official release in about a month. In other Snort rules, we also have a deep dive into our detec

September 17, 2020 14:00

Threat Source newsletter for Sept. 17, 2020

Newsletter compiled by Jon Munshaw. Good afternoon, Talos readers. We’ve got a couple of vulnerabilities you should know about. Monday, we disclosed a bug in Google Chrome’s PDFium feature that opens the door for an adversary to execute remote code. Our researchers also discov

September 10, 2020 14:00

Threat Source newsletter for Sept. 10, 2020

Newsletter compiled by Jon Munshaw. Good afternoon, Talos readers. In our continued research on election security, we have a new video roundtable discussion up on our YouTube page. In this Q&A-style format, I ask our researchers questions about the work they’ve done researc