CISA Warns Fortinet Customers as FortiBleed Hits 86,644 FortiGate Devices

The U.S. Cybersecurity and Infrastructure Security Agency CISA on Thursday urged Fortinet customers with FortiGate appliances to take steps to secure against ongoing malicious activity aimed at thousands of internet-accessible devices. The sweeping campaign, believed to be the work of...

From Assistive to Agentic: The AI Shift That's Redefining Threat Management

Introduction The average enterprise security team has 40 or more security tools, giving a lot of visibility into internal telemetry and asset data. But often, these tools are working in siloes, generating overlapping alerts and data. And yet, breach dwell times remain stubbornly long 43 days,...

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 with usage policies, domain blocks, and data loss prevention rules. That response made sense at the time. It doesn't fit the problem anymore...

Salesforce Disables Klue App Integration After OAuth Token Abuse Exposes Customer Data

Salesforce has revealed that it disabled the Klue Battlecards app integration within its platform in response to a security incident impacting the competitive intelligence company on June 11, 2026. To that end, organizations will be unable to connect to Salesforce via the app until further notice...

Apple Patches Beats Studio Buds Flaw Letting Nearby Attackers Spy via Microphone

Apple has updated its Beats Studio Buds wireless earbuds to patch a high-severity vulnerability that could be exploited by nearby hackers to eavesdrop on users. The vulnerability, tracked as CVE-2025-20701 CVSS score: 8.8, refers to a case of incorrect authorization impacting the Airoha Bluetooth...

F5 Patches Two Critical NGINX Open Source Flaws Enabling Remote Code Execution

F5 has released security updates to address two critical security flaws in NGINX Open Source that could be exploited to achieve code execution on affected systems. The vulnerabilities are listed below - CVE-2026-42530 CVSS v4 score: 9.2 - A use-after-free vulnerability in the ngxhttpv3module that...

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 authorized it? For most enterprises, the answer is a simple no. The rush to adopt internal AI tools has left a massive trail of administrative debt:...

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. AI chat links turned into malware delivery paths. macOS attacks ran in memory and left almost nothing behind. Cloud agents looked like helpers until attacke...

Microsoft Details Windows Clipper Malware Campaign Using USB LNK Worm and Tor-Based C2

Microsoft has disclosed details of a Windows-based cryptocurrency clipper campaign codenamed CryptoBandits that has targeted users since February 2026 with clipboard-intercepting malware with self-spreading capabilities and using the Tor anonymity network to hide communication. "The clipper in th...

INC Ransomware Emerges as Major RaaS Threat in 2026 with 830+ Victims Since 2023

Cybersecurity researchers have charted the evolution of INC from an nascent ransomware-as-a-service RaaS operation to one of the most prolific cybercrime groups in 2026, claiming no less than 830 victims since August 2023. "The disruption of LockBit and the shutdown of BlackCat created...

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 a customer types their card number into your checkout, their browser is running far more than your code. Analytics tags, a tag manager, a support widget, a...

DragonForce Hackers Abuse Microsoft Teams Relays to Hide Backdoor.Turn C2 Traffic

Threat actors associated with the DragonForce ransomware have been observed using a custom Go-based remote access trojan RAT called Backdoor.Turn to conceal command-and-control C2 traffic inside Microsoft Teams relay infrastructure. According to findings from Broadcom-owned Symantec and Carbon...

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, according to new findings from Check Point Research. The threat actor also has at their disposal a dedicated WordPress phishing page that acts as the central hu...

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 has now been assigned the CVE identifier CVE-2026-50656 CVSS score: 7.8, with the tech giant describing it as a privilege escalation flaw. "Microsoft is...

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. Ordinary stuff, until one move near the end. Before his command-and-control server went dark, he installed OpenSSH and Tailscale on a victim's machine, building ...

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 longer visibility. It's validation. Security teams must decide which findings warrant action while operating under constant pressure and incomplete informatio...

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 malicious plugins capable of exfiltrating artificial intelligence AI provider keys. "Every plugin poses as an AI coding assistant built on DeepSeek and other lar...

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 has now been assigned the CVE identifier CVE-2026-50656 CVSS score: 7.8, with the tech giant describing it as a privilege escalation flaw. "Microsoft is...

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 when a vulnerability does drop — like MongoBleed earlier this year, which let attackers pull credentials and session tokens from server memory without...

145 Mastra npm Packages Compromised via Hijacked Contributor Account

As many as 145 npm packages associated with the Mastra namespace "@mastra/", a popular open-source JavaScript and TypeScript framework for building artificial intelligence AI applications, have been compromised as part of a software supply chain attack codenamed easy-day-js , per findings from...

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 Joomla Content Editor JCE to its Known Exploited Vulnerabilities KEV catalog, citing evidence of active exploitation. The vulnerability, tracked as...

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 model upload and run code inside Google's serving infrastructure. Palo Alto Networks Unit 42, which found and reported the bug through Google's bug bounty...

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 Loader , and Potemkin , per independent reports from Morphisec, BlueVoyant, and Huntress, respectively. Attacks involving BabaDeda Loader, observed in April...

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 cryptocurrency apps and packs 137 remote commands. Together, they give an operator near-total control of an infected phone: it lifts lock-screen PINs, reads and sends...

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 scores, telemetry, and threat intelligence from a growing ecosystem of vendors and platforms. Yet despite this abundance of information, many organizations...

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 a post shared on X, the company said it has observed exploitation of CVE-2026-39813, CVE-2026-39808, and CVE-2026-25089 over the past 24 hours...

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 SprySOCKS. "The Windows variants discovered are internally marked as WINDRV and WINPLUS," ESET said in a report shared with The Hacker News. "Both come with ...

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 Microsoft Account security notifications to deliver a new malware called NarwhalRAT. "The attack email contained a message impersonating an MS account security...

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 the wild. The vulnerability, tracked as CVE-2026-20262 , carries a CVSS score of 6.5 out of 10.0. "A vulnerability in the web UI of Cisco Catalyst SD-WAN...

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 Exploited Vulnerabilities KEV catalog, requiring Federal Civilian Executive Branch FCEB agencies to apply the fixes by June 18, 2026. The vulnerability in questi...

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 stealing sensitive research and defense email. The way in was a backdoor on their REDCap research servers that stole login credentials. The exfiltration was the...

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 known as Contagious Interview aka Famous Chollima, HexagonalRodent, and Void Dokkaebi. According to a report published by Proofpoint, the threat actor has...

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, researchers at Obsidian Security disclosed LiteLLM is a widely deployed open-source AI gateway that brokers calls to more than 100 model providers behind one...

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 Copilot Enterprise Search. Researchers at Varonis Threat Labs chained three bugs into a one-click exfiltration path they call SearchLeak. Because the link...

⚡ 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 in prod. This week is the same lesson in a new form: phishing kits are easier to rent, AI names are useful bait, old login paths still fail, and forgotten...

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 a tight timeframe. That usually means sharing a temporary "first-day" password so employees can access systems for the first time. The issue is that these...

152 Chrome Wallpaper Extensions with 105K Installs Linked to Adware and Fake Traffic

Cybersecurity researchers have discovered a network of 152 Google Chrome extensions that act as new tab live wallpaper add-ons to distribute a potentially unwanted program PUP family. The cluster spans 38 separate Chrome Web Store publisher accounts and three brand backends: tabplugins.com,...

Popular WordPress Plugin Scripts Tampered to Plant Hidden Backdoors on Sites

An attacker tampered with trusted JavaScript files used by WordPress sites running PushEngage , OptinMonster , and TrustPulse , turning those files into a way to break into the sites. When a site administrator was logged in as the file loaded, the code created an admin account under the attacker'...

Sniper Dz Scams Target MENA Users via Fake Facebook Offers and Browser Alerts

Cybersecurity researchers have disclosed details of fraudulent activity targeting users across the Middle East and North Africa by employing various fraudulent Facebook accounts impersonating politicians, public figures, and trusted organizations. "These accounts promoted fake offers, including...

Palo Alto Warns of Active Exploitation of PAN-OS GlobalProtect VPN Flaw

Palo Alto Networks has revealed that it has observed "active exploitation" of a recently disclosed PAN-OS vulnerability by an unknown threat actor to obtain unauthorized access to GlobalProtect portals. The vulnerability in question is CVE-2026-0257 CVSS score: 7.8, an authentication bypass flaw...

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 unauthenticated file operations and even remote code execution. The vulnerability, tracked as CVE-2026-20253 , is rated 9.8 on the CVSS scoring system. "In Splunk...

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 all users after the U.S. government ordered it to suspend access to the models for foreign nationals, whether inside or outside the U.S., citing national...

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 stealer on any machine that built them. The malware is a Rust binary built to harvest developer secrets. When it lands with root, it can also load an eBPF...

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 AI agent to send phishing text messages targeting Americans. The network is said to be behind the development and management of a phishing-as-a-service...

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 login system itself. Sygnia, which tracks the group as Velvet Ant , says it backdoored the PAM and OpenSSH components that decide who is allowed to sign i...

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 running arbitrary code on developer machines. Called Agentjacking by Tenet Security, the attack can be triggered by means of a fake error report crafted usi...

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, couldn't hire enough analysts, and needed someone else to handle the alert queue. MDR stepped in. It worked well enough. Until now. The threat landscape ha...

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 chain that could result in remote code execution. LangGraph is an open-source framework created by LangChain to build complex, stateful, and multi-agent...

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 said Thursday. The effort, codenamed Operation Ramz, took place between October 2025 and February 2026, and saw authorities from 13 countries in the Middle...

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, in a statement issued Thursday, said the dismantling of AudiA6 cut off a "key financial pipeline used to wash hundreds of millions in illicit profits." T...