Threats

Threats

ShadowHS: Fileless Linux Framework Executes Entirely from Memory for Long-Term Intrusion Operations

Security researchers have uncovered a sophisticated Linux post-exploitation framework that operates entirely in memory, leaving no persistent artifacts on disk while providing operators with extensive capabilities for long-term intrusion operations. Cyble Research & Intelligence Labs tracks the activity as ShadowHS, reflecting its fileless execution model and lineage from

Threats

Iranian APT42 Deploys TAMECAT Backdoor Against Defense and Government Officials

Security researchers have published a detailed technical analysis of TAMECAT, a PowerShell-based backdoor used by Iran's APT42 in espionage campaigns targeting senior defense and government officials. The malware, documented by Pulsedive Threat Research with additional reporting from Israel's National Digital Agency, demonstrates sophisticated anti-detection

Threats

Operation Bizarre Bazaar: First LLMjacking Marketplace Monetizes Stolen AI Infrastructure Access

Security researchers have documented the first fully attributed criminal operation dedicated to hijacking and reselling unauthorized access to AI infrastructure at scale. Dubbed Operation Bizarre Bazaar, the campaign represents a complete LLMjacking supply chain—from initial reconnaissance to commercial marketplace monetization—operated by a threat actor known as "Hecker&

Threats

North Korea's LABYRINTH CHOLLIMA Splinters into Three Specialized Cyber Units

CrowdStrike Intelligence has reclassified LABYRINTH CHOLLIMA, the North Korean threat group behind the 2017 WannaCry ransomware attack, into three distinct operational units with specialized missions, malware, and targeting patterns. The new attribution framework recognizes GOLDEN CHOLLIMA, PRESSURE CHOLLIMA, and a narrower core LABYRINTH CHOLLIMA group as separate adversaries that emerged

Threats

Google Disrupts IPIDEA, One of the World's Largest Residential Proxy Networks Used by 550+ Threat Groups

Google Threat Intelligence Group (GTIG) has led a coordinated disruption of IPIDEA, believed to be one of the largest residential proxy networks in the world. The operation reduced the network's available device pool by millions and exposed infrastructure leveraged by over 550 threat groups in a single week.

Threats

Fake ClawdBot VS Code Extension Deploys ScreenConnect RAT on Developer Machines

Security researchers at Aikido Security have discovered a malicious Visual Studio Code extension masquerading as "ClawdBot Agent," a fake version of the popular AI coding assistant. The extension functions as a fully working AI tool while silently deploying remote access malware to Windows machines. The real ClawdBot team

Threats

Initial Access Broker TA584 Deploys High-Speed Phishing Campaigns with ClickFix Social Engineering and New Tsundere Bot Backdoor

The financially motivated threat actor TA584 has significantly escalated its initial access operations, adopting a high-speed attack model built around short-lived campaigns, rapid infrastructure changes, and aggressive social engineering techniques, according to research published by Proofpoint. The evolution reflects a broader shift in modern cybercrime where speed and

Threats

Threat Actors Exploit React2Shell Vulnerability to Deploy Cryptocurrency Miners and Botnets Worldwide

Threat actors are actively exploiting a critical remote code execution vulnerability in React Server Components to compromise systems across multiple industries worldwide, deploying cryptocurrency miners, botnets, and remote access tools, according to research from BI.ZONE Threat Detection and Response. The vulnerability, tracked as CVE-2025-55182 and commonly referred

Threats

Sicarii Ransomware Contains Fatal Coding Flaw That Makes Decryption Impossible Even After Payment

A critical coding error in the Sicarii ransomware, possibly introduced through over-reliance on AI-assisted development tools, renders decryption impossible for both victims and the ransomware operators themselves, according to researchers at Halcyon's Ransomware Research Center. The flaw means that paying the ransom will not result in

Threats

Vietnamese Threat Actor Uses AI to Develop PureRAT Malware in Job-Themed Phishing Campaign

A Vietnamese cybercrime actor is using artificial intelligence to develop malware tools powering an ongoing phishing campaign that delivers PureRAT and other payloads through fake job opportunity lures, according to research published by Symantec. Multiple tools used by the attacker bear hallmarks of AI-assisted development, including detailed comments with

Threats

Outlook Add-in Attack Enables Silent Email Exfiltration with Zero Forensic Traces

A newly disclosed attack technique allows threat actors to abuse Microsoft Outlook add-ins to silently exfiltrate sensitive email data from organizations without generating any audit logs or forensic traces, according to research published by Varonis Threat Labs. The attack method, dubbed Exfil Out&Look, exploits a visibility gap

Threats

China-Aligned APT Groups Deploy PeckBirdy JScript Framework for Fileless Attacks on Government Targets

China-aligned advanced persistent threat groups have been using a previously undocumented JScript-based command-and-control framework called PeckBirdy to conduct fileless attacks against Asian government entities, educational institutions, and Chinese gambling operations since 2023, according to research published by Trend Micro. PeckBirdy is built entirely in JScript and