Tag: malicious
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GitHub confirms breach of 3,800 repos via malicious VSCode extension
GitHub has confirmed that roughly 3,800 internal repositories were breached after one of its employees installed a malicious VS Code extension. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/security/github-confirms-breach-of-3-800-repos-via-malicious-vscode-extension/
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Trapdoor Android Ad Fraud Ring Abuses 455 Apps for Fake Clicks
A large-scale Android ad fraud campaign named “Trapdoor,” exposing a sophisticated ecosystem built on 455 malicious apps and 183 command-and-control (C2) domains. The operation combines malvertising, automated click fraud, and advanced evasion techniques to create a self-sustaining revenue loop that has generated massive fraudulent traffic across the digital advertising ecosystem. At its peak, Trapdoor generated…
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New NGINX Vulnerability Exposes Servers to Malicious Code Execution
NGINX has disclosed a new high”‘severity vulnerability in its JavaScript module that can allow remote attackers to crash servers and, in specific conditions, execute arbitrary code on vulnerable systems. F5 has published a security advisory (K000161307) describing a flaw in the NGINX JavaScript (njs) module, specifically when the js_fetch_proxy directive is used together with client”‘controlled NGINX variables…
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Single-Letter Go Module Typosquat Drops DNS-Based Backdoor
A newly uncovered software supply chain attack targeting Go developers demonstrates how a single-character typo can silently introduce a persistent backdoor. A malicious Go module, github.com/shopsprint/decimal, designed to impersonate the widely trusted github.com/shopspring/decimal library used for high-precision arithmetic in financial and analytics applications. The legitimate package is heavily adopted across the Go ecosystem, with more than 38,000 known…
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Android Ad Fraud Operation Generates 659M Bid Requests
Researchers Identify 455 Malicious Apps Tied to Global Malvertising Campaign. Cybercriminals used malicious Android apps to funnel unwitting users to an ad fraud scam that generated up to 659 million daily bid requests, reports Human Security. The scam has spanned 455 malicious Android apps and is linked to 183 threat actor-owned command-and-control domains. First seen…
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Microsoft dismantled malware-signing network Fox Tempest
Microsoft disrupted Fox Tempest, a malware-signing-as-a-service (MSaaS) that allowed attackers to sign malware with fake trusted certificates. Microsoft said it disrupted a cybercrime operation run by a threat actor named Fox Tempest, which helped threat actors sign malware with short-lived certificates to make malicious software appear legitimate. The service abused Microsoft Artifact Signing and supported…
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Trapdoor Android Ad Fraud Scheme Hit 659 Million Daily Bid Requests Using 455 Apps
Tags: android, control, cybersecurity, fraud, infrastructure, intelligence, malicious, malware, threatCybersecurity researchers have disclosed details of a new ad fraud and malvertising operation dubbed Trapdoor targeting Android device users.The activity, per HUMAN’s Satori Threat Intelligence and Research Team, encompassed 455 malicious Android apps and 183 threat actor-owned command-and-control (C2) domains, turning the infrastructure into a pipeline for multi-stage fraud.”Users First seen on thehackernews.com Jump to…
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New Shai-Hulud malware wave compromises 600 npm packages
Threat actors earlier today published more than 600 malicious packages to the Node Package Manager (npm) index as part of a new Shai-Hulud supply-chain campaign. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/security/new-shai-hulud-malware-wave-compromises-600-npm-packages/
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PureLogs infostealer is stealing credentials worldwide
A phishing campaign is smuggling the powerful PureLogs information stealer onto targets’ Windows machines by hiding encrypted malicious payloads inside cat photos, … First seen on helpnetsecurity.com Jump to article: www.helpnetsecurity.com/2026/05/19/purelogs-infostealer-delivery-steganography/
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New macOS infostealer impersonates Apple, Microsoft, and Google in a single attack chain
A SHub macOS infostealer variant called Reaper impersonates Apple, Microsoft, and Google to trick users into executing malicious code, then targets browser data, password … First seen on helpnetsecurity.com Jump to article: www.helpnetsecurity.com/2026/05/19/shub-reaper-macos-infostealer-apple-google-microsoft/
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Operation Ramz Dismantles 53 Servers Used in Scam and Malware Campaigns
Tags: cyber, cybercrime, international, interpol, law, malicious, malware, middle-east, phishing, scamA large-scale international cybercrime operation led by INTERPOL has resulted in 201 arrests and the takedown of 53 malicious servers linked to phishing, malware, and online scam campaigns across the Middle East and North Africa (MENA) region. DubbedOperation Ramz, the initiative ran from October 2025 to February 2026 and involved law enforcement agencies from 13…
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7 tips for accelerating cyber incident recovery
Tags: attack, awareness, backup, breach, business, ceo, cio, ciso, cloud, communications, control, cyber, cybersecurity, data, defense, finance, framework, governance, incident, incident response, infection, insurance, international, lessons-learned, malicious, malware, monitoring, nist, risk, service, technology, threat, updateEmphasize scoping and containment from the outset: Because you can’t recover from what you can’t stop, scoping and containment should be the absolute first priority during incident recovery, says Amit Basu, CIO and CISO at freight shipping firm International Seaway.”Before anything else, you must stop the bleeding,” he says. This means understanding the true scope…
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Four-Faith Industrial Routers Targeted in Botnet Hijacking Campaign
Tags: authentication, botnet, cve, cyber, data-breach, exploit, flaw, malicious, router, vulnerabilityFour-Faith industrial cellular routers are being actively targeted in a growing botnet campaign exploiting a critical authentication bypass flaw tracked as CVE-2024-9643. Security researchers warn that attackers are rapidly weaponizing the vulnerability to hijack exposed devices and repurpose them as part of large-scale malicious infrastructure. Four-Faith Industrial Routers Targeted CVE-2024-9643 affects Four-Faith F3x36 industrial routers…
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Hackers Exploit Entra ID Accounts to Steal Microsoft 365, Azure Data
Hackers Abuse Microsoft Entra ID Accounts to Exfiltrate Microsoft 365 and Azure Data. A highly sophisticated cyberattack campaign carried out by a threat actor tracked as Storm-2949, targeting Microsoft Entra ID accounts to steal sensitive data from Microsoft 365 and Azure environments. Instead of deploying malicious payloads, Storm-2949 abused legitimate cloud management features to gain…
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JavaScript Malware Campaign Drops Crypto Clipper via PowerShell
A large-scale CountLoader campaign that uses layered obfuscation, multi-stage payload delivery, and covert command-and-control (C2) communication to deploy cryptocurrency clipper malware. The campaign stands out for its complex infection chain, combining JavaScript, PowerShell, and in-memory shellcode execution to evade detection and maintain persistence across infected systems. The attack begins with a malicious executable that launches…
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Popular GitHub Action Tags Redirected to Imposter Commit to Steal CI/CD Credentials
In yet another software supply chain attack, threat actors have compromised the popular GitHub Actions workflow, actions-cool/issues-helper, to run malicious code that harvests sensitive credentials and exfiltrates them to an attacker-controlled server.”Every existing tag in the repository has been moved to point to an imposter commit that does not appear in the action’s normal commit…
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Compromised Nx Console VS Code Extension Steals Developer and Cloud Secrets
Nx Console’s popular VS Code extension was briefly weaponized into a credential-stealing tool that can leak developer and cloud secrets and plant a persistent backdoor. Anyone who installed v18.95.0 should treat their environment as fully compromised. On May 18, 2026, a malicious build of the Nx Console VS Code extension, nrwl.angular-console v18.95.0 was published to the Visual…
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GitHub Actions Supply Chain Attack Redirects Tags to Steal CI/CD Credentials
In yet another software supply chain attack, threat actors have compromised the popular GitHub Actions workflow, actions-cool/issues-helper, to run malicious code that harvests sensitive credentials and exfiltrates them to an attacker-controlled server.”Every existing tag in the repository has been moved to point to an imposter commit that does not appear in the action’s normal commit…
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Mini Shai-Hulud Pushes Malicious AntV npm Packages via Compromised Maintainer Account
Cybersecurity researchers have discovered a fresh software supply chain attack campaign that has compromised various npm packages associated with the @antv ecosystem as part of the ongoing Mini Shai-Hulud attack wave.”The attack affects packages tied to the npm maintainer account atool, including echarts-for-react, a widely used React wrapper for Apache ECharts with roughly 1.1 million…
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Are Attackers Hiding Inside Your Network Traffic?
Spur Intelligence found attackers increasingly using VPNs and residential proxies to hide malicious activity in legitimate traffic. First seen on esecurityplanet.com Jump to article: www.esecurityplanet.com/threats/are-attackers-hiding-inside-your-network-traffic/
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INTERPOL Operation Ramz Disrupts MENA Cybercrime Networks with 201 Arrests
INTERPOL has coordinated a first-of-its-kind cybercrime crackdown across the Middle East and North Africa (MENA) that led to 201 arrests and the identification of an additional 382 suspects.The initiative involved the efforts of 13 countries from the region between October 2025 and February 2026, aiming to investigate and neutralize malicious infrastructure, arrest perpetrators behind these…
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Developer Workstations Are Now Part of the Software Supply Chain
Supply chain attackers are not only trying to slip malicious code into trusted software. They are trying to steal the access that makes trusted software possible. Recently, three separate campaigns hit npm, PyPI, and Docker Hub in a 48-hour window, and all three targeted secrets from developer environments and CI/CD pipelines, including API keys, cloud…
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Four Malicious npm Packages Deliver Infostealers and Phantom Bot DDoS Malware
Cybersecurity researchers have discovered four new npm packages containing information-stealing malware, one of which is a clone of the Shai-Hulud worm open-sourced by TeamPCP.The list of identified packages is below -chalk-tempalte (825 Downloads)@deadcode09284814/axios-util (284 Downloads)axois-utils (963 Downloads)color-style-utils (934 Downloads)”One of the packages (chalk-tempalte) First seen on thehackernews.com Jump to article: thehackernews.com/2026/05/four-malicious-npm-packages-deliver.html
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Critical Marimo RCE Flaw Could Let Attackers Execute Malicious Code Remotely
A newly disclosed critical vulnerability in the Marimo Python notebook framework is raising serious alarms across the cybersecurity community, as it allows attackers to execute arbitrary commands remotely, without authentication. Tracked as CVE-2026-39987, the flaw exposes a WebSocket endpoint that can be abused to spawn a system-level shell, potentially leading to full infrastructure compromise. Marimo RCE…
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Experts warn of active exploitation of critical NGINX flaw CVE-2026-42945
A critical NGINX flaw (CVE-2026-42945) is actively exploited, allowing crashes or possible code execution via malicious HTTP requests. A critical vulnerability in NGINX Plus and NGINX Open, tracked as CVE-2026-42945 (CVSS v4 score of 9.2), is already being actively exploited shortly after disclosure. >>We’re seeing active exploitation of CVE-2026-42945 in F5 NGINX, a heap buffer…
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The AI backdoor your security stack is not built to see
Enterprises deploying LLMs have spent the past two years building defenses around a reasonable assumption: malicious behavior leaves a trace in the input. Scan for suspicious … First seen on helpnetsecurity.com Jump to article: www.helpnetsecurity.com/2026/05/18/metabackdoor-llm-backdoor-attack/
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The AI backdoor your security stack is not built to see
Enterprises deploying LLMs have spent the past two years building defenses around a reasonable assumption: malicious behavior leaves a trace in the input. Scan for suspicious … First seen on helpnetsecurity.com Jump to article: www.helpnetsecurity.com/2026/05/18/metabackdoor-llm-backdoor-attack/
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Malicious npm Packages Steal SSH Keys, Cloud Credentials, and Crypto Wallets
A new supply chain attack campaign targeting developers has surfaced in the npm ecosystem, with four malicious packages discovered stealing sensitive data, including SSH keys, cloud credentials, and cryptocurrency wallets. The campaign, identified by OX Security within the past 24 hours, highlights the growing risk posed by typosquatting attacks and reused open-source malware. The malicious…
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Attackers exploit Funnel Builder bug to inject e-skimmers into e-stores
Attackers are exploiting a critical flaw in the WordPress Funnel Builder plugin to inject skimming code into WooCommerce checkout pages. A critical vulnerability in the WordPress Funnel Builder plugin is being actively exploited to inject malicious JavaScript into WooCommerce checkout pages, according to Sansec researchers. Funnel Builder by FunnelKit is a checkout and upsell plugin…
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Funnel Builder Flaw Under Active Exploitation Enables WooCommerce Checkout Skimming
A critical security vulnerability impacting the Funnel Builder plugin for WordPress has come under active exploitation in the wild to inject malicious JavaScript code into WooCommerce checkout pages with the goal of stealing payment data. Details of the activity were published by Sansec this week. The vulnerability currently does not have an official CVE identifier.…