OpenAI on Friday said it would start showing ads in ChatGPT to logged-in adult U.S. users in both the free and ChatGPT Go tiers in the coming weeks, as the artificial intelligence (AI) company expanded access to its low-cost subscription…
Category: The Hacker News
GootLoader Malware Uses 500–1,000 Concatenated ZIP Archives to Evade Detection
The JavaScript (aka JScript) malware loader called GootLoader has been observed using a malformed ZIP archive that’s designed to sidestep detection efforts by concatenating anywhere from 500 to 1,000 archives. “The actor creates a malformed archive as an anti-analysis technique,”…
Five Malicious Chrome Extensions Impersonate Workday and NetSuite to Hijack Accounts
Cybersecurity researchers have discovered five new malicious Google Chrome web browser extensions that masquerade as human resources (HR) and enterprise resource planning (ERP) platforms like Workday, NetSuite, and SuccessFactors to take control of victim accounts. “The extensions work in concert…
LOTUSLITE Backdoor Targets U.S. Policy Entities Using Venezuela-Themed Spear Phishing
Security experts have disclosed details of a new campaign that has targeted U.S. government and policy entities using politically themed lures to deliver a backdoor known as LOTUSLITE. The targeted malware campaign leverages decoys related to the recent geopolitical developments…
Your Digital Footprint Can Lead Right to Your Front Door
You lock your doors at night. You avoid sketchy phone calls. You’re careful about what you post on social media. But what about the information about you that’s already out there—without your permission? Your name. Home address. Phone number. Past…
China-Linked APT Exploits Sitecore Zero-Day in Attacks on American Critical Infrastructure
A threat actor likely aligned with China has been observed targeting critical infrastructure sectors in North America since at least last year. Cisco Talos, which is tracking the activity under the name UAT-8837, assessed it to be a China-nexus advanced…
Cisco Patches Zero-Day RCE Exploited by China-Linked APT in Secure Email Gateways
Cisco on Thursday released security updates for a maximum-severity security flaw impacting Cisco AsyncOS Software for Cisco Secure Email Gateway and Cisco Secure Email and Web Manager, nearly a month after the company disclosed that it had been exploited as…
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 CodeBreach by…
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 entirely. “Only…
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…
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…
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…
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…
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…
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,…
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…
AI Agents Are Becoming Privilege Escalation Paths
AI agents have quickly moved from experimental tools to core components of daily workflows across security, engineering, IT, and operations. What began as individual productivity aids, like personal code assistants, chatbots, and copilots, has evolved into shared, organization-wide agents embedded…
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.…
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 10.0…
Microsoft Fixes 114 Windows Flaws in January 2026 Patch, One Actively Exploited
Microsoft on Tuesday rolled out its first security update for 2026, addressing 114 security flaws, including one vulnerability that it said has been actively exploited in the wild. Of the 114 flaws, eight are rated Critical, and 106 are rated…