Forget Data Leakage: Shadow AI's Real Threat Is Access Control
The first wave of enterprise AI concern was straightforward. It was simply employees pasting sensitive data into public AI tools. Security teams responded…
Orphaned AI Agents: How to Find Hidden Access Risks Inside Your Network
If an autonomous AI agent interacts with your company's core intellectual property today, can your security team instantly name the person who…
ThreatsDay Bulletin: Claude Chat Abuse, NastyC2 npm Packages, Device-Code Phishing + 25 More Stories
The internet did not break this week. It got used exactly as designed, which is worse. Searches were siphoned through shady browser add-ons.…
The Scripts on Your Checkout Page Are Now a PCI DSS Problem
An independent PCI assessor tested Reflectiz against the new PCI DSS rules. Here is the verdict: See the full QSA assessment here → When…
Crypto Clipper Campaign Abuses Fake Reviews, AI Narrators, and VirusTotal Comments
An unknown threat actor has been observed leveraging paid or promoted posts on legitimate news websites to drum up buzz for their warez,…
Microsoft Confirms RoguePlanet Defender Zero-Day, Says Patch is in Development
Microsoft has formally disclosed that it's working to release a patch to address a Defender zero-day codenamed RoguePlanet. The vulnerability…
Junior Hacker Used Tailscale and OpenSSH to Keep Access After His C2 Went Offline
A French-speaking attacker broke into a small French automotive business, planted a keylogger, and stole banking and email credentials.…
Adversarial Exposure Validation Turns Security Visibility into Confident Prioritization
For security teams, the findings never stop, but confidence in knowing which ones matter is becoming harder to maintain. The problem is no…
The Top 10 Attack Surface Exposures in 2026
Breaches don't always start with a zero-day. An exposed admin panel can get brute-forced, or credentials reused from a previous attack. But…
Malicious JetBrains Plugins Steal AI API Keys as Chrome Extensions Capture Chatbot Chats
Cybersecurity researchers have flagged a "coordinated malware campaign" on the JetBrains Marketplace that has published no less than 15…
144 Mastra npm Packages Compromised via Hijacked Contributor Account
As many as 144 npm packages associated with the Mastra namespace ("@mastra/*"), a popular open-source JavaScript and TypeScript framework for…
CISA Warns of Actively Exploited Joomla JCE Flaw Allowing PHP Code Execution
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Tuesday added a maximum-severity security flaw impacting Widget Factory…
Google Vertex AI SDK Flaw Let Attackers Hijack Model Uploads via Bucket Squatting
A flaw in the Google Cloud Vertex AI SDK for Python let an attacker with no access to a victim's project hijack the victim's machine learning…
ClickFix Campaigns Expand Malware Delivery With New Loaders and Fake Update Lures
Cybersecurity researchers have flagged multiple ClickFix campaigns that deliver three malware loaders called BabaDeda Loader, Lorem Ipsum…
New Rokarolla Android Malware Steals PINs, SMS Codes, and Crypto Wallet Funds
Security researchers at Zimperium's zLabs have documented a new Android banking trojan, Rokarolla, that targets 217 banking and…
Survey: 94% of Incidents Involve Anonymized Infrastructure. Teams Are Still Reactive
Security teams have never had more IP data at their disposal. Every day, analysts ingest enrichment feeds, geolocation data, reputation…
Attackers Exploit Three Fortinet FortiSandbox Flaws, One Patched Last Week
Bad actors are exploiting multiple security vulnerabilities in Fortinet FortiSandbox, according to threat intelligence firm Defused Cyber. In…
China-Linked SprySOCKS Backdoor Expands to Windows with Driver-Based Stealth
Cybersecurity researchers have flagged two previously undocumented Windows variants of what was believed to be a Linux-only backdoor called…
Fake Microsoft Alerts Used to Deploy North Korean NarwhalRAT Malware
The North Korean state-sponsored hacking group known as ScarCruft (aka APT37) has been observed using spear-phishing messages impersonating…
Cisco Releases Security Updates for Actively Exploited SD-WAN Manager Flaw
Cisco has released security updates for a medium-severity security flaw in Catalyst SD-WAN Manager that has come under active exploitation in…
CISA Flags LiteSpeed cPanel Plugin Flaw Exploited for Root Privilege Escalation
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has added a security flaw impacting LiteSpeed cPanel Plugin to its Known…
Chinese Hackers Abused Google Workspace Rules to Steal Research and Defense Emails
A China-linked espionage group hid inside North American medical, academic, and military research networks for more than a year, quietly…
North Korean Hackers Are Turning Developer Tools Into Malware Delivery Channels
Cybersecurity researchers have flagged two malicious cyber campaigns that exhibit similarities with a persistent North Korean threat cluster…
LiteLLM Vulnerability Chain Lets Low-Privilege Users Take Over AI Gateway Servers
A default low-privilege account on a LiteLLM proxy can climb to full admin and run code on the server by chaining three vulnerabilities,…
One-Click Microsoft 365 Copilot Flaw Could Have Let Attackers Steal Emails, Files, and MFA Codes
A single click on a trusted Microsoft link could have let an attacker pull emails, calendar details, and indexed files out of Microsoft 365…
⚡ Weekly Recap: Chrome 0-Day, UniFi Exploits, macOS Stealers, VPN Flaw and More
Stuff broke again. Not in a movie way. An old tool was left exposed. An abandoned package was abused. A deprecated feature was still running…
The Onboarding Password Mistake That Creates Unnecessary Risk
Employee onboarding is a busy time for IT teams. New starters need devices, accounts, access permissions, and passwords, all delivered within…
Critical Splunk Enterprise Flaw Lets Attackers Run Code Without Authentication
Splunk has released security updates to address a critical security flaw in Splunk Enterprise that could be exploited to conduct…
U.S. Orders Anthropic to Suspend Fable 5 and Mythos 5 Access for Foreign Nationals
Anthropic said on Friday it will "abruptly disable" its most advanced artificial intelligence (AI) models, Claude Fable 5 and Mythos 5, for…
Over 400 Arch Linux AUR Packages Hijacked to Deploy Infostealer and eBPF Rootkit
Attackers took over more than 400 packages in the Arch User Repository (AUR) this week and rewrote their build scripts to install a credential…
Google Sues Chinese Smishing Network Accused of Using Gemini AI in Phishing
Google on Friday said it's pursuing legal action against a Chinese cybercrime network, accusing it of using its Gemini artificial intelligence…
China-Linked Hackers Backdoored Linux Login Software to Hide for Nearly a Decade
Instead of hiding on the laptops and servers defenders watch most closely, a China-nexus group spent close to a decade hidden inside the Linux…
Agentjacking Attack Tricks AI Coding Agents Into Running Malicious Code
Cybersecurity researchers have described what they say is a new class of attack that can trick artificial intelligence (AI) coding agents into…
Rethinking MDR as Attackers and Defenders Embrace AI
For most of the past decade, managed detection and response was the answer to a real problem. Security teams couldn't staff around the clock,…
LangGraph Flaw Chain Exposes Self-Hosted AI Agents to Remote Code Execution
Cybersecurity researchers have disclosed details of three now-patched security flaws impacting LangGraph, including a critical vulnerability…
INTERPOL Operation Takes Down Sniper Dz Phishing Platform, Arrests Administrator
An INTERPOL-led operation last month resulted in the disruption of Sniper Dz, a decade-long phishing-as-a-service (PhaaS) platform, Group-IB…
Europol Disrupts AudiA6 Crypto Laundering Service Used by Ransomware Gangs
Authorities in Europe have disrupted AudiA6, a cryptocurrency laundering service used by ransomware gangs and cybercriminal networks. Europol,…
ShinyHunters Exploits Oracle PeopleSoft Zero-Day (CVE-2026-35273) to Breach Universities
The ShinyHunters extortion crew exploited an unpatched flaw in Oracle PeopleSoft to break into enterprise systems, steal data, and demand…
New Attacks Trick OpenClaw AI Agent Into Running Code and Leaking Secrets
Two security teams have shown, in separate research published this week, that OpenClaw, the popular self-hosted AI agent, can be driven to run…
New GreatXML Exploit Bypasses Windows BitLocker via Recovery Partition XML Files
Security researcher Chaotic Eclipse (aka Nightmare-Eclipse and MSNightmare) has released a new Windows BitLocker bypass dubbed GreatXML, a day…
The Gentlemen Ransomware Claims 478 Victims, Can Spread Like a Worm
A new analysis of The Gentlemen operation has revealed that the financially motivated threat group initially operated as an affiliate…
Cybersecurity Stars Awards 2026: Winners Announced Across 95 Categories
Most good security work is invisible by design. Today is the exception. The 2026 Cybersecurity Stars Awards winners are announced across 95…
ThreatsDay Bulletin: Worm Code Leaked, AI Agent Phished, Claude Code Patch + 28 New Stories
It's been one of those weeks. You expect the usual noise: recycled malware, sloppy attacks, another easy target getting hit. Instead, there's…