39 posts
Researchers identified a universal bucket hijacking technique affecting major cloud providers (AWS, GCP, Azure) that allows attackers to silently exfiltrate data streams. By exploiting the global uniqueness of bucket names, an attacker with deletion privileges can delete a target bucket and recreate it in their own environment, seamlessly rerouting logs, backups, and messages without requiring granular configuration update permissions.
WatchTowr Labs detailed the exploitation of CVE-2026-20253, a critical pre-authentication Remote Code Execution (RCE) vulnerability in Splunk Enterprise. By abusing unauthenticated PostgreSQL Sidecar Service endpoints and injecting connection string parameters, attackers can force the server to connect to an external database, write malicious files to the filesystem, and overwrite legitimate scripts to achieve arbitrary code execution.
Varonis Threat Labs demonstrated that enterprise AI agents, specifically an OpenClaw deployment, are vulnerable to traditional phishing and social engineering techniques. In simulated attacks, the agent successfully identified technical phishing indicators like malicious OAuth flows but failed to recognize social context, resulting in the exfiltration of AWS credentials and sensitive CRM data to an external attacker.
The third wave of the Shai-Hulud supply chain worm, dubbed Miasma, targets the npm ecosystem by utilizing weaponized binding.gyp files to bypass lifecycle script monitoring. It establishes deep persistence within AI assistant and IDE configuration directories, evades detection through dormancy and EDR checks, and abuses valid Sigstore attestations to masquerade as legitimate packages.
A coordinated supply chain attack compromised 19 PyPI packages, utilizing malicious .pth files to achieve execution at Python startup. The loader downloads the Bun runtime to execute an obfuscated JavaScript stealer targeting developer secrets, cloud credentials, and CI/CD tokens, exfiltrating data via GitHub repositories and Actions.
A highly coordinated supply chain attack compromised 56 npm packages across 286 versions by abusing the binding.gyp native build configuration to silently execute malicious code during installation. The multi-stage, heavily encrypted payload targets CI/CD environments to harvest cloud credentials, propagates via stolen OIDC tokens, and establishes persistence with a destructive dead man's switch.
The operators behind the Kali365 Phishing-as-a-Service (PhaaS) kit have expanded their infrastructure to target a wider array of services, including Microsoft 365, Okta, and Russia's MAX Messenger. The threat actors utilize OAuth 2.0 device authorization grant abuse and fake prize-claim lures to bypass MFA and exfiltrate credentials via Telegram.
A coordinated supply chain attack compromised the @redhat-cloud-services npm scope, resulting in the automated publication of 32 backdoored packages. The malware utilizes a sophisticated three-layer obfuscation pipeline to drop a credential stealer that targets cloud and CI/CD secrets, exfiltrates data via the GitHub API, and possesses worm-like self-propagation capabilities.
The Canadian Centre for Cyber Security released a daily digest highlighting critical security updates for Drupal, Veeam, Zimbra, and Notepad++. Notably, a highly critical arbitrary PHP code execution vulnerability (SA-CONTRIB-2026-038) was patched in the Drupal AlternativeCommerce module, requiring immediate attention from administrators.
Cybercriminals are shifting from traditional credential theft to session hijacking using infostealer malware, allowing them to bypass multi-factor authentication (MFA). By harvesting and replaying valid session tokens using automated tools, attackers gain rapid, stealthy access to corporate environments, which is then often monetized by Initial Access Brokers.
The TrapDoor campaign is a sophisticated supply chain attack targeting crypto, DeFi, and AI developers across npm, PyPI, and Crates.io. The threat actor deployed over 34 malicious packages that utilize ecosystem-specific execution methods to steal credentials, wallets, and SSH keys, while uniquely leveraging AI configuration files like .cursorrules to trick AI assistants into executing exfiltration workflows.
A massive supply chain attack compromised over 700 historical versions of Laravel Lang packages, injecting an RCE backdoor via Composer's autoloader. The backdoor delivers a sophisticated, cross-platform PHP information stealer designed to harvest cloud credentials, CI/CD secrets, browser data, and local configuration files.
Recent versions of the popular npm package node-ipc (9.1.6, 9.2.3, 12.0.1) were compromised to include an obfuscated credential stealer. The malware executes upon CommonJS module load, harvests sensitive developer and cloud credentials, and exfiltrates the compressed data via DNS TXT queries to attacker-controlled infrastructure.
The TeamPCP threat actor deployed the Mini Shai-Hulud worm in a sophisticated supply chain attack targeting the npm ecosystem via a GitHub Actions CI cache-poisoning technique. The malware steals credentials, establishes persistence via developer tools like VS Code and Claude Code, and features a destructive dead man switch that wipes the victim's home directory if access tokens are revoked.
SentinelLABS discovered PCPJack, a cloud-focused worm designed to harvest credentials at scale while actively evicting artifacts of a rival threat actor, TeamPCP. The framework targets exposed cloud services like Docker, Kubernetes, and Redis for propagation and lateral movement, notably omitting cryptomining payloads in favor of credential theft and Sliver C2 deployment.
TeamPCP (SHADOW-WATER-058) executed a sophisticated supply chain campaign compromising developer toolchains across multiple ecosystems, including Docker Hub, PyPI, and GitHub Actions. The attacks leveraged CI/CD trust, such as unsanitized PR comments and stolen publisher tokens, to distribute credential-harvesting payloads via Python .pth files and the Bun runtime, targeting over 80 credential types and abusing live AWS APIs.
A sophisticated supply-chain worm dubbed 'Mini Shai-Hulud' has compromised numerous high-profile npm and PyPI packages, including TanStack and Mistral AI. The heavily obfuscated payload targets CI/CD environments to systematically harvest credentials from GitHub, AWS, Vault, and Kubernetes. It autonomously propagates by minting npm publish tokens and committing malicious code to repositories, while exfiltrating stolen secrets via the Session P2P network.
Threat actors are increasingly leveraging Vercel's GenAI capabilities, specifically v0.dev, to rapidly generate and host highly convincing credential phishing pages. By combining AI-generated frontends with Telegram Bot API integrations for real-time credential exfiltration, attackers can deploy resilient, low-effort phishing infrastructure on legitimate cloud services that evades traditional detection mechanisms.
Quasar Linux (QLNX) is an advanced, previously undocumented Linux Remote Access Trojan (RAT) designed to compromise developer workstations and facilitate supply chain attacks. It employs sophisticated evasion techniques, including fileless execution, process name spoofing, and dynamically compiled LD_PRELOAD and eBPF rootkits, alongside a PAM backdoor to harvest critical cloud and repository credentials.
Attackers are weaponizing Amazon Simple Email Service (SES) using compromised AWS IAM keys to launch highly convincing phishing and Business Email Compromise (BEC) campaigns. Because the emails originate from legitimate Amazon infrastructure, they successfully pass standard authentication protocols like SPF, DKIM, and DMARC, making detection difficult without disrupting legitimate business workflows.
A software supply chain campaign attributed to the GitHub account 'BufferZoneCorp' published malicious Ruby gems and Go modules designed to steal developer secrets and compromise CI/CD environments. The packages impersonate legitimate developer tools to execute install-time and runtime payloads that harvest credentials, tamper with GitHub Actions workflows, manipulate Go dependency resolution, and establish SSH persistence.
The Mini Shai-Hulud supply chain attack campaign has expanded into the PHP ecosystem by compromising the widely used intercom/intercom-php package on Packagist. The malicious artifact abuses Composer plugin execution to download the Bun runtime and execute an obfuscated JavaScript payload designed to harvest and exfiltrate sensitive credentials from developer environments and CI/CD pipelines.
The popular PyPI package 'lightning' was compromised in a supply chain attack affecting versions 2.6.2 and 2.6.3. The malicious package executes an obfuscated JavaScript payload via the Bun runtime to harvest cloud and developer credentials, poison GitHub repositories by impersonating Anthropic's Claude Code, and infect local npm packages.
A suspected TeamPCP-linked supply chain attack compromised multiple SAP CAP and Cloud MTA npm packages by injecting malicious preinstall scripts. The attack leverages a downloaded Bun runtime to execute an obfuscated payload that harvests extensive credentials from developer machines and CI/CD pipelines, exfiltrating data via attacker-controlled GitHub repositories and establishing persistence through VSCode and Claude AI configurations.
Attackers are increasingly targeting CI/CD pipelines to harvest secrets and pivot to production environments using techniques like workflow modification and privileged trigger exploitation. Elastic has released an open-source tool, cicd-abuse-detector, which leverages regex-based signal extraction and LLM analysis to detect suspicious pipeline changes during the pull request phase.
A sophisticated supply chain attack compromised official Checkmarx KICS Docker images and VS Code extensions, injecting malware designed to harvest and exfiltrate cloud, developer, and CI/CD credentials. The threat actor, believed to be TeamPCP, utilized the Bun runtime to execute the payload, subsequently abusing stolen GitHub and NPM tokens to propagate the infection through malicious GitHub Actions workflows and poisoned NPM packages.
A supply chain attack targeting npm packages associated with Namastex.ai has been discovered, utilizing CanisterWorm-style malware. The malicious packages execute upon installation to harvest developer credentials, cloud secrets, and cryptocurrency wallets, exfiltrating data to an ICP canister and webhooks while attempting to self-propagate across the npm and PyPI ecosystems.
On April 19, 2026, Vercel disclosed a critical security breach originating from a compromised third-party AI tool, Context.ai. The threat actor, ShinyHunters, utilized an infostealer to harvest OAuth tokens, bypassed MFA to access Vercel's Google Workspace, and pivoted via SSO to bulk-extract customer environment variables containing highly sensitive cloud, database, and source code credentials.
A supply chain attack leveraging a compromised third-party OAuth application (Context.ai) allowed threat actors to breach Vercel's internal systems. The attackers exploited Vercel's environment variable sensitivity model to enumerate and expose unencrypted customer secrets, leading to potential downstream credential abuse across multiple cloud and SaaS platforms.
Varonis Threat Labs discovered a logging evasion vulnerability in AWS where anonymous requests to external S3 buckets via VPC endpoints failed to generate CloudTrail Network Activity events. This flaw allowed attackers to invisibly exfiltrate data or download malware from compromised VPCs, though AWS has since patched the issue to ensure these requests are properly logged.
The AWS Bedrock AgentCore starter toolkit automatically provisions overly permissive IAM roles that grant wildcard access across the AWS account. This "Agent God Mode" misconfiguration allows a compromised AI agent to exfiltrate ECR images, access other agents' memories, and escalate privileges by invoking other code interpreters or agents.
Unit 42 researchers discovered a method to bypass the network isolation of Amazon Bedrock AgentCore's Code Interpreter sandbox using DNS tunneling. Combined with a legacy MMDSv1 configuration that lacked session token enforcement, attackers could potentially exploit SSRF to extract highly privileged IAM credentials and exfiltrate them via the DNS covert channel.
Threat actors are increasingly targeting Kubernetes environments by exploiting vulnerabilities like React2Shell and misconfigurations to steal service account tokens. These stolen identities are then used to escalate privileges and move laterally into backend cloud infrastructure, leading to severe impacts such as cryptocurrency theft.
Elastic has released nine new third-party integrations for Q1 2026, enhancing visibility across macOS, cloud environments, email security, and SIEM platforms. These integrations provide out-of-the-box data normalization, prebuilt dashboards, and AI-driven analysis capabilities to streamline security operations and threat detection.
Advancements in AI have democratized Business Email Compromise (BEC) attacks, allowing threat actors to efficiently target smaller organizations with tailored social engineering. Concurrently, attackers are exploiting the React2Shell vulnerability (CVE-2025-55182) in Next.js applications to harvest cloud and database credentials, while Qilin ransomware has been observed deploying a sophisticated EDR-killing payload.
Varonis Threat Labs identified a Local File Inclusion (LFI) vulnerability (CVE-2026-4270) in the AWS Remote MCP Server that allows authenticated users to read arbitrary files. By exploiting the AWS CLI shorthand file-loading syntax via the aws___call_aws tool, attackers can bypass access restrictions and extract sensitive file contents through error messages.
A sophisticated supply chain attack compromised the official Trivy GitHub Action (aquasecurity/trivy-action) by force-pushing 75 version tags to malicious commits. The injected infostealer harvests sensitive CI/CD secrets from runner memory and filesystems, exfiltrating them to a typosquat domain or a fallback GitHub repository.
Threat actors increasingly abuse legitimate native utilities, third-party tools, and cloud service clients for data exfiltration, bypassing traditional static detections. The Exfiltration Framework models the behavioral and forensic characteristics of these tools to enable detection based on execution context, network patterns, and artifact persistence rather than tool presence.
This comprehensive guide outlines proactive hardening strategies to defend against destructive cyberattacks, such as ransomware and wipers. It provides actionable recommendations for securing external-facing assets, segmenting IT/OT and virtualization infrastructure, restricting lateral movement, and protecting privileged credentials across on-premises and cloud environments.
