Following Cisco Talos Blog's news feed is very easy. Subscribe using the "follow" button on the top right and if you want to, choose the updates by topic or tag.
We will deliver them to your inbox, your phone, or you can use follow.it like your own online RSS reader. You can unsubscribe whenever you want with one click.
Keep up to date with Cisco Talos Blog!
Cisco Talos Blog: Cisco Talos Blog
Is this your feed? Claim it!
Welcome to this week’s edition of the Threat Source newsletter.
I’ve struggled a lot over the last few years with balance. I want to follow the news closely, but at the same time, I want to block everything out for self-preservation.
Add in the fact that I love history and I’m an empath, and you’ve got a lovely concoction of fee...
Microsoft has published three out-of-band (OOB) updates so far in January 2026. One of these updates was released to address a vulnerability, CVE-2026-21509, affecting Microsoft Office that has been reportedly exploited in the wild.&n...
Cisco Talos has identified a new campaign by UAT-8099, active from late 2025 to early 2026, that is targeting vulnerable Internet Information Services (IIS) servers across Asia with a specific focus on victims in Thailand and Vietnam. Analysis confirms significant operational overlaps between this activit...
Threat actors predominately exploited public-facing applications for the second quarter in a row, with this tactic appearing in nearly 40 percent of Cisco Talos Incident Response (Talos IR) engagements — a notable decrease from over 60 percent last quarter, when engagements involving
Welcome to this week’s edition of the Threat Source newsletter.
“Upon us all a little rain must fall” — Led Zeppelin, via Henry Wadsworth Longfellow
I recently bumped into a colleague with whom I spent several years working in an MSSP environment. We had very different roles within the organization...