Security | Threat Detection | Cyberattacks | DevSecOps | Compliance

React2Shell and related RSC vulnerabilities threat brief: early exploitation activity and threat actor techniques

On December 3, 2025, immediately following the public disclosure of the critical, maximum-severity React2Shell vulnerability (CVE-2025-55182), the Cloudforce One Threat Intelligence team began monitoring for early signs of exploitation. Within hours, we observed scanning and active exploitation attempts, including traffic originating from infrastructure associated with Asian-nexus threat groups.

Why I'm leading Tines' internal workflow transformation

I first met Tines co-founders Eoin Hinchy and Thomas Kinsella more than a decade ago at eBay. Even then, we shared the same frustration: too much important work was slowed down by brittle processes, manual handoffs, and disconnected tools. We all believed technology should help people focus on meaningful work, not slow them down in muckwork. That idea has shaped my career ever since. I started out in security operations, using automation to make my own job easier.

Threat Research Year In Review - 2025

In November of last year, Aaron Bray made some supply chain security predictions for 2025. Now, as we approach the close of the year, we are going to look at how those predictions turned out. But first let’s start with the high-level statistics and review some of the campaigns we have been tracking and reporting on this year. As this year is not yet over, we have excluded data from December for both 2024 and 2025.

All things AI and malware with Randy Pargman

Join us for this week's Defender Fridays as we explore the reality of AI-powered malware threats with Randy Pargman, Senior Director of Threat Detection at Proofpoint. At Defender Fridays, we delve into the dynamic world of information security, exploring its defensive side with seasoned professionals from across the industry. Our aim is simple yet ambitious: to foster a collaborative space where ideas flow freely, experiences are shared, and knowledge expands.

Zero trust with Chase Cunningham

Join us for this week's Defender Fridays as we explore Zero Trust architecture and implementation with Dr. Chase Cunningham, Chief Security Officer at Demo-Force. At Defender Fridays, we delve into the dynamic world of information security, exploring its defensive side with seasoned professionals from across the industry. Our aim is simple yet ambitious: to foster a collaborative space where ideas flow freely, experiences are shared, and knowledge expands.

Cato CTRL Threat Research: A Deep Dive into a New JSCEAL Infostealer Campaign

JSCEAL is an information stealer that’s been targeting users of cryptocurrency applications. As reported by Check Point Research (CPR) in July 2025, JSCEAL has developed into a more advanced form. In a new campaign observed by Cato CTRL in August 2025, JSCEAL has adopted a revamped command-and-control (C2) infrastructure, enhanced anti-analysis safeguards, and an updated script engine designed for increased stealth. The campaign remains active.

2026 API and AI Security Predictions: What Experts Expect in the Year Ahead

This is a predictions blog. We know, we know; everyone does them, and they can get a bit same-y. Chances are, you’re already bored with reading them. So, we’ve decided to do things a little bit differently this year. Instead of bombarding you with just our own predictions, we’ve decided to cast the net far and wide. We’ve spoken to cybersecurity experts from around the world to answer what’s, for us, the most pressing question of all.