Threat Insights

These blog series take a look at today's top threats, trends, and the leading techniques to protect against them.

Explorations in the spam folder—holiday edition

Learn all about the spam campaigns that are circulating this holiday season.

Inside Cisco Talos Threat Hunters

What does it mean to be a threat hunter? Learn more about how Talos Threat Hunters investigate and defend against today’s most damaging threats.

Threat Explainer blogs

Our Threat Explainer series examines the core principles behind threats and provides a foundation upon which to build your knowledge.

Explorations in the spam folder—holiday edition

Learn all about the spam campaigns that are circulating this holiday season.

Supply chain attacks

Learn how bad actors can target the companies you rely on in order to get at your organization.

RDP and the remote desktop

Remote Desktop Protocol (RDP) is popular, but is it the best option for connecting to your company resources?

Remote work and the threat landscape

Attackers are adapting their techniques to target those working from home. Learn how to mount a better defense.

Threat Protection blogs

Our Threat Protection series highlights particular threats and security issues and showcases how Cisco Secure can help protect your critical assets.

The REvil ransomware

We look under the hood of the headline-grabbing REvil ransomware and showcase how it goes about locking down a computer.

The WastedLocker ransomware

Learn more about how the WastedLocker ransomware works, and how Cisco Secure can protect you from it.

ThreatWise TV blogs

This series runs alongside our ThreatWise TV narrative video series, going deeper into the topics covered in the episodes.

Recent IR trends

We take a look at the findings from the Q3 Talos Incident Response Trends report.