Cloudflare has addressed a security vulnerability impacting its Automatic Certificate Management Environment (ACME) validation logic that made it possible to bypass security controls and access origin servers. “The vulnerability was rooted in how our edge network processed requests destined for…
Category: The Hacker News
Tudou Guarantee Marketplace Halts Telegram Transactions After Processing Over $12 Billion
A Telegram-based guarantee marketplace known for advertising a broad range of illicit services appears to be winding down its operations, according to new findings from Elliptic. The blockchain intelligence company said Tudou Guarantee has effectively ceased transactions through its public…
Google Gemini Prompt Injection Flaw Exposed Private Calendar Data via Malicious Invites
Cybersecurity researchers have disclosed details of a security flaw that leverages indirect prompt injection targeting Google Gemini as a way to bypass authorization guardrails and use Google Calendar as a data extraction mechanism. The vulnerability, Miggo Security’s Head of Research,…
⚡ Weekly Recap: Fortinet Exploits, RedLine Clipjack, NTLM Crack, Copilot Attack & More
In cybersecurity, the line between a normal update and a serious incident keeps getting thinner. Systems that once felt reliable are now under pressure from constant change. New AI tools, connected devices, and automated systems quietly create more ways in,…
New StackWarp Hardware Flaw Breaks AMD SEV-SNP Protections on Zen 1–5 CPUs
A team of academics from the CISPA Helmholtz Center for Information Security in Germany has disclosed the details of a new hardware vulnerability affecting AMD processors. The security flaw, codenamed StackWarp, can allow bad actors with privileged control over a…
DevOps & SaaS Downtime: The High (and Hidden) Costs for Cloud-First Businesses
Just a few years ago, the cloud was touted as the “magic pill” for any cyber threat or performance issue. Many were lured by the “always-on” dream, trading granular control for the convenience of managed services. In recent years, many…
CrashFix Chrome Extension Delivers ModeloRAT Using ClickFix-Style Browser Crash Lures
Cybersecurity researchers have disclosed details of an ongoing campaign dubbed KongTuke that used a malicious Google Chrome extension masquerading as an ad blocker to deliberately crash the web browser and trick victims into running arbitrary commands using ClickFix-like lures to…
Security Bug in StealC Malware Panel Let Researchers Spy on Threat Actor Operations
Cybersecurity researchers have disclosed a cross-site scripting (XSS) vulnerability in the web-based control panel used by operators of the StealC information stealer, allowing them to gather crucial insights on one of the threat actors using the malware in their operations.…
Black Basta Ransomware Leader Added to EU Most Wanted and INTERPOL Red Notice
Ukrainian and German law enforcement authorities have identified two Ukrainians suspected of working for the Russia-linked ransomware-as-a-service (RaaS) group Black Basta. In addition, the group’s alleged leader, a 35-year-old Russian national named Oleg Evgenievich Nefedov (Нефедов Олег Евгеньевич), has been…
OpenAI to Show Ads in ChatGPT for Logged-In U.S. Adults on Free and Go Plans
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…
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…