The vulnerabilities may lead to root access, command execution, bypasses, SQL injection, and remote code execution.
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Can You Prove a New CVE Is Exploitable Before Attackers Do? Learn How in This Webinar
A new CVE drops. Your scanner finds it. The severity score looks ugly.
But that still does not answer the question that matters: Can it actually be exploited in your environment?
Mythos-class AI is compressing the time between disclosure and working exploitation, while many security programs still validate risk on weekly or quarterly cycles. The dangerous gap is no longer just technical. It is
US takes down NightmareStresser DDoS-for-hire platform
The U.S. Federal Bureau of Investigation (FBI) seized the domains used by NightmareStresser, one of the world’s longest-running distributed denial-of-service (DDoS) platforms. […]
CISO’s Expert Guide to Agentic Pentesting for Websites
Attackers now weaponize new vulnerabilities in about five days (Mandiant, part of Google Cloud). The median organization takes 43 days to patch one (Verizon DBIR 2026). A new free guide explains how autonomous AI agents are closing that gap, and what security leaders must demand before pointing one at production.
TL;DR
Exploitation is now the front door. It starts 31% of breaches (Verizon DBIR
China-Aligned FamousSparrow Deploys SparroWocky Backdoor Across Latin America
The China-aligned state-sponsored threat actor known as FamousSparrow has been observed deploying a previously unreported backdoor called SparroWocky in attacks targeting multiple countries in Latin America since at least August 2025.
“SparroWocky is a modular, C++ backdoor,” ESET security researchers Alexandre Côté Cyr and Romain Dumont said in a technical report shared with The Hacker News
OpenAI Reveals Six Model Incidents Involving Hidden Failures and Unauthorized Uploads
OpenAI on Wednesday disclosed six new instances of “unexpected or concerning model behavior” that took place over the past six months, while sharing a new framework for reporting, tracking, investigating, and disclosing model misalignment in a bid to improve transparency.
“As AI systems grow more advanced and more widely deployed, we need to build a broader and better-informed consensus on the
Chinese hackers use SparroWocky malware in govt espionage attacks
The China-linked espionage group FamousSparrow has been using a new backdoor named SparroWocky in attacks on government organizations in Latin America. […]
Microsoft shares workaround for Windows domain login issues
Microsoft shared a temporary fix on Wednesday for a known issue that prevents Windows 11 users from logging in with valid domain credentials after installing the September 2026 security updates. […]
CISA Releases Guidance on Deploying Cyber Decoys
Complementing Zero Trust models, decoys enable organizations to detect, observe, and block malicious activity in their environments.
The post CISA Releases Guidance on Deploying Cyber Decoys appeared first on SecurityWeek.
AI Agents Can Retrain Own Models Mid-Task, Leaking Secrets and Erasing Refusals
New research from Irregular shows AI agents can retrain and redeploy their own underlying models during routine maintenance tasks.
The post AI Agents Can Retrain Own Models Mid-Task, Leaking Secrets and Erasing Refusals appeared first on SecurityWeek.