All Malware Data Breach Privacy APT Vulnerability General
The Hacker News Vulnerability

Fortinet Fixes Critical FortiSIEM Flaw Allowing Unauthenticated Remote Code Execution

Fortinet has released updates to fix a critical security flaw impacting FortiSIEM that could allow an unauthenticated attacker to achieve code execution on susceptible instances. The operating system (OS) injection vulnerability, tracked as CVE-2025-64155, is rated 9.4 out of 10.

The Hacker News Malware

Hackers Exploit c-ares DLL Side-Loading to Bypass Security and Deploy Malware

Security experts have disclosed details of an active malware campaign that's exploiting a DLL side-loading vulnerability in a legitimate binary associated with the open-source c-ares library to bypass security controls and deliver a wide range of commodity trojans and stealers. "

The Hacker News General

AI Agents Are Becoming Authorization Bypass Paths

Not long ago, AI agents were harmless. They wrote snippets of code. They answered questions. They helped individuals move a little faster. Then organizations got ambitious. Instead of personal copilots, companies started deploying shared organizational AI agents - agents embedded

The Hacker News Malware

Researchers Null-Route Over 550 Kimwolf and Aisuru Botnet Command Servers

The Black Lotus Labs team at Lumen Technologies said it null-routed traffic to more than 550 command-and-control (C2) nodes associated with the AISURU/Kimwolf botnet since early October 2025. AISURU and its Android counterpart, Kimwolf, have emerged as some of the biggest botnets

The Hacker News Vulnerability

Palo Alto Fixes GlobalProtect DoS Flaw That Can Crash Firewalls Without Login

Palo Alto Networks has released security updates for a high-severity security flaw impacting GlobalProtect Gateway and Portal, for which it said there exists a proof-of-concept (PoC) exploit. The vulnerability, tracked as CVE-2026-0227 (CVSS score: 7.7), has been described as a d

The Hacker News Vulnerability

Microsoft Legal Action Disrupts RedVDS Cybercrime Infrastructure Used for Online Fraud

Microsoft on Wednesday announced that it has taken a "coordinated legal action" in the U.S. and the U.K. to disrupt a cybercrime subscription service called RedVDS that has allegedly fueled millions in fraud losses. The effort, per the tech giant, is part of a broader law enforce

The Hacker News General

4 Outdated Habits Destroying Your SOC's MTTR in 2026

It’s 2026, yet many SOCs are still operating the way they did years ago, using tools and processes designed for a very different threat landscape. Given the growth in volumes and complexity of cyber threats, outdated practices no longer fully support analysts’ needs, staggering i

The Hacker News General

Model Security Is the Wrong Frame – The Real Risk Is Workflow Security

As AI copilots and assistants become embedded in daily work, security teams are still focused on protecting the models themselves. But recent incidents suggest the bigger risk lies elsewhere: in the workflows that surround those models. Two Chrome extensions posing as AI helpers

The Hacker News Vulnerability

ThreatsDay Bulletin: AI Voice Cloning Exploit, Wi-Fi Kill Switch, PLC Vulns, and 14 More Stories

The internet never stays quiet. Every week, new hacks, scams, and security problems show up somewhere. This week’s stories show how fast attackers change their tricks, how small mistakes turn into big risks, and how the same old tools keep finding new ways to break in. Read on to

The Hacker News General

Researchers Reveal Reprompt Attack Allowing Single-Click Data Exfiltration From Microsoft Copilot

Cybersecurity researchers have disclosed details of a new attack method dubbed Reprompt that could allow bad actors to exfiltrate sensitive data from artificial intelligence (AI) chatbots like Microsoft Copilot in a single click, while bypassing enterprise security controls entir

The Hacker News Vulnerability

Critical WordPress Modular DS Plugin Flaw Actively Exploited to Gain Admin Access

A maximum-severity security flaw in a WordPress plugin called Modular DS has come under active exploitation in the wild, according to Patchstack. The vulnerability, tracked as CVE-2026-23550 (CVSS score: 10.0), has been described as a case of unauthenticated privilege escalation

The Hacker News Data Breach

AWS CodeBuild Misconfiguration Exposed GitHub Repos to Potential Supply Chain Attacks

A critical misconfiguration in Amazon Web Services (AWS) CodeBuild could have allowed complete takeover of the cloud service provider's own GitHub repositories, including its AWS JavaScript SDK, putting every AWS environment at risk. The vulnerability has been codenamed CodeBreac

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33