A Red Teaming Framework for Evaluating Robustness of AI-Enabled Security Orchestration, Automation, and Response Systems

AI-enabled Security Orchestration, Automation, and Response SOAR systems increasingly employ autonomous agents for cyber defense, yet their resilience to adaptive adversaries is underexplored. We introduce an autonomous red teaming framework that integrates large language models LLMs with...

Strategic Commitments Shape Collective Cybersecurity under AI Inequality

The growing integration of AI into cybersecurity is reshaping the balance between attackers and defenders. When access to advanced AI-enabled defence tools is uneven, resource-limited defenders may be unable to adopt effective protection, creating persistent system vulnerabilities. We study the...

OpenAI Launches GPT-5.4-Cyber with Expanded Access for Security Teams

OpenAI on Tuesday unveiled GPT-5.4-Cyber , a variant of its latest flagship model, GPT‑5.4, that's specifically optimized for defensive cybersecurity use cases, days after rival Anthropic unveiled its own frontier model, Mythos. "The progressive use of AI accelerates defenders – those responsible...

[Video] The TTP Ep 21: When Attackers Become Trusted Users

!\Video\ The TTP Ep 21: When Attackers Become Trusted Usershttps://storage.ghost.io/c/af/a0/afa04ee3-414f-4481-8d23-7e7c146f192e/content/images/2026/04/YiR2025cover2x1.jpg In this episode of the Talos Threat Perspective, we explore how identity is being used to gain, extend, and maintain access...

Inside the Talos 2025 Year in Review: A discussion on what the data means for defenders

Every year, the Cisco Talos Year in Review captures the patterns shaping the threat landscape. The 2025 report paints a clear picture: Attackers are moving faster than ever, while using identity-related attacks as the primary battleground. To unpack the biggest takeaways and what they mean for...

CISA: Bulletproof Defense: Mitigating Risks from Bulletproof Hosting Providers V2

CISA, in collaboration with the U.S. National Security Agency, U.S. Department of Defense Cyber Crime Center, U.S. Federal Bureau of Investigation, and international partners, have released the guide Bulletproof Defense: Mitigating Risks from Bulletproof Hosting Providers to help internet service...

HoneyTrap: Deceiving Large Language Model Attackers to Honeypot Traps with Resilient Multi-Agent Defense

Jailbreak attacks pose significant threats to large language models LLMs, enabling attackers to bypass safeguards. However, existing reactive defense approaches struggle to keep up with the rapidly evolving multi-turn jailbreaks, where attackers continuously deepen their attacks to exploit...

Get Executives on board with managing Cyber Risk

Learn how the 2025 Trend Micro Defenders Survey Report helps paint a clear picture of how security teams are looking to work with executive leaders to manage cyber risk...

What Does it Take to Manage Cloud Risk?

Learn why hybrid and multi-cloud environments are vital for IT and business success from our 2025 Trend Micro Defenders Survey...

What Cyber Defenders Really Think About AI Risk

Learn how Trend Micro's 2025 Trend Micro Defenders Survey Report highlights current AI-related cybersecurity priorities and where security professionals use AI to their advantage...

CISA: Bulletproof Defense: Mitigating Risks from Bulletproof Hosting Providers

CISA, in collaboration with the U.S. National Security Agency, U.S. Department of Defense Cyber Crime Center, U.S. Federal Bureau of Investigation, and international partners, have released the guide Bulletproof Defense: Mitigating Risks from Bulletproof Hosting Providers to help internet service...

MAL-2025-27268 Malicious code in nefties-defenders-server (npm)

The package nefties-defenders-server was found to contain malicious code...

Malicious code in nefties-defenders-server (npm)

The package nefties-defenders-server was found to contain malicious code...

Microsoft announces the 2025 Security Excellence Awards winners

In today’s rapidly evolving digital world, security requires a global community of defenders working together as a team to build a safer world for all. That’s why we’re thrilled to recognize the extraordinary individuals and organizations who have gone above and beyond in the fight against...

From Naptime to Big Sleep: Using Large Language Models To Catch Vulnerabilities In Real-World Code

Posted by the Big Sleep team Introduction In our previous post, Project Naptime: Evaluating Offensive Security Capabilities of Large Language Models, we introduced our framework for large-language-model-assisted vulnerability research and demonstrated its potential by improving the state-of-the-a...

CISA and Partners Release Advisory on RansomHub Ransomware

Today, CISA—in partnership with the Federal Bureau of Investigation FBI, Multi-State Information Sharing and Analysis Center MS-ISAC, and Department of Health and Human Services HHS—released a joint Cybersecurity Advisory, StopRansomware: RansomHub Ransomware. This advisory provides network...

Royal Ransomware Actors Rebrand as “BlackSuit,” FBI and CISA Release Update to Advisory

Today, CISA—in partnership with the Federal Bureau of Investigation FBI—released an update to joint Cybersecurity Advisory StopRansomware: Royal Ransomware, StopRansomware: BlackSuit Royal Ransomware. The updated advisory provides network defenders with recent and historically observed tactics,...

What does "Platform" mean in cloud security?

Enabling security outcomes for cloud builders and defenders, from code to cloud to defense...

Starry Addax targets human rights defenders in North Africa with new malware

Cisco Talos is disclosing a new threat actor we deemed "Starry Addax" targeting mostly human rights activists associated with the Sahrawi Arab Democratic Republic SADR cause with a novel mobile malware. Starry Addax conducts phishing attacks tricking their targets into installing malicious Androi...

CISA, NCSC-UK, and Partners Release Advisory on Russian SVR Actors Targeting Cloud Infrastructure

CISA, in partnership with UK National Cyber Security Centre NCSC and other U.S. and international partners released the joint advisory, SVR Cyber Actors Adapt Tactics for Initial Cloud Access. This advisory provides recent tactics, techniques, and procedures TTPs used by Russian Foreign...