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Cloud Atlas APT Patches termsrv.dll to Enable Silent Dual RDP Sessions — Targets Government and Diplomatic Organizations
The Cloud Atlas APT group has adopted a stealthy new technique: modifying Windows termsrv.dll to enable multiple simultaneous RDP sessions, allowing attackers to maintain covert access while legitimate users remain logged in. The campaign t…
Critical 7-Zip Flaw CVE-2026-48095 (CVSS 8.8) Enables Arbitrary Code Execution via NTFS Vtable Hijack
A critical heap buffer overflow in 7-Zip 26.00 (CVE-2026-48095, CVSS 8.8) lets attackers execute arbitrary code through an NTFS vtable hijack. The attack works regardless of file extension and requires no interaction beyond opening a crafte…
Payload Ransomware Deploys ChaCha20 + Curve25519 ECDH to Lock Files — 50+ Victims Across Five Countries
A new ransomware operation called Payload has emerged using military-grade ChaCha20 encryption paired with Curve25519 ECDH key exchange, making file recovery without the operator key impossible. Active since February 2026, the group has alr…
Megalodon Campaign Backdoors 5,500+ GitHub Repositories in Six-Hour CI/CD Blitz
The automated “Megalodon” attack campaign pushed malicious CI/CD backdoors into 5,561 GitHub repositories within 6 hours on May 18, 2026, harvesting cloud credentials and OIDC tokens. The Tiledesk npm package was among the downstream victim…
Supply Chain Attack Backdoors 233 Laravel-Lang Package Versions Across 700 GitHub Repositories
Attackers exploited GitHub’s tagging system to inject credential-stealing PHP backdoors into 233 versions of Laravel-Lang packages, silently targeting developer cloud keys, SSH credentials, and CI/CD secrets across 700 repositories. Immedia…
Hackers Exploit End-of-Life F5 BIG-IP as Enterprise Entry Point, Pivoting to Active Directory via Confluence RCE
Microsoft Defender researchers document a multi-stage intrusion where threat actors exploited an end-of-life F5 BIG-IP appliance to gain SSH access, then pivoted through an unpatched Confluence server to reach Active Directory — a textbook…
CVE-2026-9256 “nginx-poolslip”: Critical NGINX Flaw Enables Unauthenticated DoS and Code Execution
A critical heap buffer overflow in the NGINX rewrite module (CVE-2026-9256, “nginx-poolslip”) allows unauthenticated remote attackers to crash NGINX workers or execute code. Proof-of-concept activity is already circulating — patch to versio…
art-template npm Package Backdoored to Deliver iOS Browser Exploit Kit via Supply Chain Attack
Attackers hijacked the widely-used art-template npm library by taking over its maintenance, then injected a sophisticated iOS browser exploit kit that silently targeted Safari users on vulnerable devices through any web application that inc…
2026 FIFA World Cup Phishing Fraud Triples in Scope: 222 Fake Domains, Four Criminal Clusters
A massive phishing operation targeting 2026 FIFA World Cup fans has grown nearly three times larger than initially reported, now spanning 222 fraudulent domains across 203 unique IP addresses and operated by at least four independent crimin…
CISA Flags Actively Exploited Langflow Flaw CVE-2025-34291 — AI Workflow Deployments at Risk
CISA has added CVE-2025-34291, a critical CORS misconfiguration in the Langflow AI workflow platform, to its Known Exploited Vulnerabilities catalog, confirming active exploitation. Organizations using Langflow face the risk of full account…
AI Discovers 10,000+ Zero-Days: Anthropic’s Claude Mythos Preview Transforms Cybersecurity Defense
Anthropic’s Claude Mythos Preview AI model has autonomously discovered over 10,000 critical zero-day vulnerabilities across major software systems as part of Project Glasswing, revealing both the extraordinary potential of AI in cybersecuri…
Ukrainian Intelligence Report: Russian APT Groups Intensify Cyber Operations — 5,927 Incidents, 37% Rise in 2025
A new intelligence report from Ukraine’s National Security and Defense Council reveals Russian state-sponsored threat groups dramatically escalated cyber operations in 2025, with CERT-UA recording 5,927 incidents — a 37.4% increase year-ove…
Ubiquiti Issues Emergency Patches for Five Critical UniFi OS Vulnerabilities, Three Rated Maximum CVSS 10.0
Ubiquiti Networks has released urgent firmware updates addressing five critical vulnerabilities in its UniFi OS platform, including three flaws rated CVSS 10.0 — the maximum severity score. The unauthenticated remote code execution and path…
CISA Adds Two Actively Exploited Microsoft Defender Zero-Days to KEV Catalog — Patch by June 3
CISA has added two critical Microsoft Defender vulnerabilities — CVE-2026-45498 and CVE-2026-41091 — to its Known Exploited Vulnerabilities catalog following evidence of active exploitation in the wild. Federal agencies face a June 3, 2026…
LiteSpeed cPanel Plugin Zero-Day (CVE-2026-48172) Actively Exploited to Gain Server Root Access
LiteSpeed has disclosed and patched a critical zero-day privilege escalation flaw (CVE-2026-48172) in its cPanel user-end plugin that is already being actively exploited in the wild to gain root access on Linux hosting servers. Administrato…
Google Patches Two Critical Chrome RCE Flaws in Urgent Update — Update to 148.0.7778.178 Now
Google has released an emergency Chrome security update addressing 16 vulnerabilities including two Critical-rated remote code execution flaws in WebRTC and Chrome’s UI layer. Users should update to version 148.0.7778.178 immediately, as te…
Operation Saffron: International Authorities Dismantle ‘First VPN’ Criminal Network Linked to Global Ransomware Attacks
A coordinated international law enforcement operation led by France, the Netherlands, Europol, and Eurojust has dismantled First VPN — a criminal VPN service explicitly marketed to cybercriminals and used in ransomware attacks and hacking c…
WantToCry Ransomware Encrypts Files Remotely Over SMB — No Malware Required
A ransomware operation called WantToCry is exploiting exposed SMB file-sharing services to encrypt business data without ever installing malware on victim machines. SophosLabs researchers warn that over 1.5 million devices with SMB ports ex…
Dark Web Brokers Flood Forums With Recycled Breach Data Disguised as Fresh Corporate Leaks
Cybercriminals operating in Chinese-language dark web ecosystems are repackaging data from old breaches and selling it as fresh corporate intelligence, according to new research from Group-IB. The scam is overwhelming security teams with fa…
DevilNFC: New Android Malware Traps Victims in Kiosk Mode During NFC Card Relay Attacks
DevilNFC is a new Android malware that combines NFC relay attacks with Android Kiosk Mode to trap victims inside a fake banking screen while stealing card PINs in real time. Targeting Europe and LATAM banking customers, the malware shows si…
Void Botnet Weaponizes Ethereum Smart Contracts for Seizure-Proof Command-and-Control Infrastructure
The Void Botnet uses Ethereum smart contracts as a seizure-resistant C2 channel, making traditional law enforcement takedowns impossible. Sold on Russian-language forums since March 2026 for $600, the Rust-written botnet supports 14 task ty…
Gremlin Stealer Evolves: New Variant Hides C2 URLs in Encrypted Resources and Adds Discord Token Theft
A newly analyzed Gremlin stealer variant hides C2 URLs inside XOR-encrypted .NET resource sections, making it invisible to static scanners. The malware now targets Discord tokens and adds a clipboard hijacker for real-time cryptocurrency th…
Claude Code’s Five-Month Network Sandbox Bypass Silently Exposed Developer Credentials and Source Code
Anthropic’s Claude Code harbored a critical SOCKS5 null-byte injection sandbox bypass for over five months, allowing attackers to silently exfiltrate developer credentials, source code, and API keys. The issue affected 130+ versions and was…
Kimsuky APT Runs Four Simultaneous Spear-Phishing Campaigns Targeting Recruiters, Crypto Users, and Defense Officials
North Korea’s Kimsuky threat group has been operating four parallel spear-phishing campaigns targeting corporate recruiters, cryptocurrency developers, defense sector officials, and graduate school staff. The campaigns use LNK and JSE lures…
ShinyHunters Claims Cyberattack on U.S. Online Learning Platform — FBI Warns of Extortion Escalation
ShinyHunters has claimed responsibility for a cyberattack on a U.S.-based online Learning Management System, disrupting access for educational institutions nationwide. The FBI has issued a public service announcement warning of escalating e…