Unitel, Angola's dominant mobile operator, continues to recover from a cyberattack that caused outages the day of the government-owned telco's public offering.
A credential-stealing worm hidden in more than 400 compromised npm packages automatically spread across software ecosystems by republishing malicious updates. This analysis details the attack chain, affected environments, and practical guidance for detection, hunting, and remediation. The post ChainDrop supply chain compromise: Anatomy of a self-propagating worm appeared first on Microsoft Security Blog.
Bulletin ID: 2026-074-AWS Scope: AWS Content Type: Important (requires attention) Publication Date: 08/04/2026 12:30 PM PDT Description: Kiro is an agentic IDE and command-line interface users install on their desktop. We identified CVE-2026-18656 and CVE-2026-18657, an issue where an uncontrolled search path element on Windows might allow an actor to execute arbitrary code via a maliciously crafted project directory containing a planted executable that is resolved before the system PATH when a…
The attacks use diverse social engineering lures and rotating payloads to deliver ScreenConnect for persistent remote access to compromised networks.
Microsoft expands its Zero Trust for AI strategy to enhance security for AI and DevSecOps environments with new tools and guidance. The post Advance Zero Trust for AI: New tools and guidance to secure AI agents and DevSecOps appeared first on Microsoft Security Blog.
Microsoft Defender automatically isolated a compromised QNET endpoint in 128 seconds, stopping a multi-stage attack before the payload could persist or spread. The post 128 Seconds to disruption: Microsoft Defender stops ransomware at QNET appeared first on Microsoft Security Blog.
Bulletin ID: 2026-073-AWS Scope: AWS Content Type: Important (requires attention) Publication Date: 08/04/2026 10:00 AM PDT Description: We have identified CVE-2026-18830 in the Amazon Bedrock AgentCore harness InvokeHarness API. This issue could allow an authenticated user to execute configured tools while bypassing model invocation and associated security controls. When the most recent message in an InvokeHarness request contained a tool-use content block, the agent event loop could dispatch …
Amazon Web Services (AWS) is pleased to announce the successful completion of our Payment Card Industry (PCI) Data Security Standard (DSS) and Three Domain Secure (3DS) certifications. As part of this renewal, we have expanded the scope to include three additional AWS services and one additional AWS Region: Newly added AWS services: Amazon Bedrock AgentCore […]
Frontier AI is reshaping vulnerability discovery. Learn how our NOVA system found 14,000+ unknown vulnerabilities across the open-source software supply chain. The post The Frontier AI Vulnerability Burst: Industrializing Autonomous Zero-Day Discovery in Open-Source Software appeared first on Unit 42.
A Google Firebase misconfiguration lets users of tl;dv, an AI meeting tool, query any other users' meeting information and potentially join calls.
Nearly half of C2 malware bypasses DNS by connecting directly to IP addresses. Zero trust IP enforcement secures networks against these threats. The post Almost Half of Malware Samples Communicate Direct to IP appeared first on Unit 42.
OverviewOn August 2, 2026, N-able published a security advisory for CVE-2026-18577, an authentication bypass vulnerability affecting N-central that was discovered being exploited in-the-wild after an incomplete fix for an earlier authentication bypass issue, CVE-2026-18556 was disclosed. CVE-2026-18577 allows a remote unauthenticated attacker to bypass authentication and obtain administrative control of vulnerable N-central servers in affected deployments.N-able N-central is a widely deployed R…
Talos has collected prompt logs from threat actor endpoints running various applications, such as Claude Code, CodeX, Cursor, or Gemini. This blog is an analysis of the ways we've seen bad actors leveraging cloud-based AI.
Newer social engineering techniques help attackers ignore entrenched security controls and limit the evidence they leave behind.
Over the weekend, the vendor discovered another vector of authentication bypass CVE-2026-18577 that gives attackers administrator access.
Researchers dug into the root of the problem with the goal of promoting industry collaboration on improved protective measures.
Bulletin ID: 2026-072-AWS Scope: AWS Content Type: Important (requires attention) Publication Date: 08/03/2026 13:30 PM PDT Description: Strands Agents is an open-source SDK for building AI agents. The strands-agents-tools package provides pre-built tools for use with the SDK, including the shell tool for executing operating system commands on the agent's host. We identified CVE-2026-18733. The shell tool includes a human consent gate that prompts the operator to approve commands before they ru…
Last month's incidents in which the AI model breached real-world systems derived from over-permissioning, especially with Internet access.
Bulletin ID: 2026-071-AWS Scope: AWS Content Type: Important (requires attention) Publication Date: 08/03/2026 12:30 PM PDT Description: AWS Command Line Interface (AWS CLI) is a unified tool to manage AWS services from the command line. We identified CVE-2026-18654, an issue where the EMR SSH helper commands (aws emr ssh, aws emr socks, aws emr put, aws emr get) disabled SSH host key verification, which might allow man-in-the-middle actors to intercept SSH sessions and file transfers via netwo…
Bulletin ID: 2026-070-AWS Scope: AWS Content Type: Important (requires attention) Publication Date: 08/03/2026 12:00 PM PDT Description: AWS Amazon MQ MCP Server (awslabs.amazon-mq-mcp-server) is a Model Context Protocol server that enables AI assistants to interact with Amazon MQ message brokers. We identified CVE-2026-18655, an improper restriction of intended endpoints in the RabbitMQ broker connection tools of the Amazon MQ MCP Server (awslabs.amazon-mq-mcp-server) before 2.0.24 that may al…
OverviewOn July 29, 2026, the Ruby on Rails project published a security advisory for CVE-2026-66066, an arbitrary file read in Active Storage applications that use the Vips image processor with untrusted uploads. The affected Active Storage ranges are < 7.2.3.2, >= 8.0, < 8.0.5.1, and >= 8.1, < 8.1.3.1. Vips is the default Active Storage variant processor for applications that load Rails 7.0 or later defaults. Rails 6 applications are affected only when they explicitly configure Vips.Our Emerg…
Register for an exclusive, unrecorded 30-minute webinar to review the most high-impact incidents Talos IR faced in Q2.
Researchers intercepted and investigated the model, which was attempting to compromise more than 1,200 hosts for proxyjacking to launch further attacks.
Cyber Briefs are monthly executive reports that aim to present an overview of the most relevant developments in cyber security, based exclusively on open sources, with a view to inform political leadership and senior management in its constituency. Additional information on any item in this Brief can be provided upon request. Cyber Briefs are TLP:CLEAR.
Today marks the release of Metasploit Pro 5.1 - building upon the foundation laid in 5.0, adding new evasion primitives for HTTP Meterpreter payloads, support for tracking service hierarchies, a deeper and more interactive Network Topology view, and continuing our commitment to a modern, consistent UI. This release is powered by Metasploit Framework 6.5.Malleable C2 ProfilesOne of the most requested capabilities in modern red-team engagements is the ability to blend Meterpreter's network traffi…
Accountability without any real authority is driving CISO burnout, and organizations need to take notice.
Explore how passkey implementation gaps undermine security when relying parties fail to validate the User Verified flag, reducing MFA to a single factor. The post Pass the Passkey: A Novel Attack Surface in Passwordless Authentication appeared first on Unit 42.
Tenable spent 30 days running frontier AI models against our own code. It didn’t just find bugs — it proved they’re real, with reproducible exploits. That fundamentally changes code security from ranking potential code defects to a much higher signal focused on the findings that matter. Read on to learn how it reshaped our security team's work, what it cost, and why your program is next.Key takeaways:Now code security starts with proof, not suspicions. Frontier AI instantly builds working explo…
Ross Baker is Senior Director, Northern Europe at Rapid7.As organizations across the United Kingdom and Ireland embrace AI, cloud technologies, and digital transformation in the name of enhancing customer experiences and accelerating business growth, the cybersecurity landscape must continue to evolve just as quickly.In this environment, business leaders still expect security to enable innovation, not slow it down. They're pushed to reduce risk, improve visibility across expanding attack surfac…
Storm-2945, a sub-cluster of the Russian threat actor Midnight Blizzard, has been observed compromising the sign-in portals of hospitality-related organizations such as hotels since May 2026 in order to deliver malware to travelers and steal credentials in an operation we call CaptiveCrunch. The post CaptiveCrunch: Midnight Blizzard targets travelers worldwide for malware delivery and credential theft appeared first on Microsoft Security Blog.