π Public Collection
A curated collection of articles about security. Found 70 relevant articles.
The MCP Scanner is a Python tool developed by Cisco AI Defense for scanning Model Context Protocol (MCP) servers and tools to identify security vulnerabilities. It utilizes multiple scanning engines, including YARA rules and LLM-as-a-judge, offering flexible authentication options and detailed vulnerability reporting. The tool can function as a standalone CLI or REST API server, making it adaptable for various security needs.
security
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scanning
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vulnerabilities
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Saved October 28, 2025
The article discusses a significant bug found in a Next.js application where a seemingly perfect equality check function always returned true due to an unexpected asynchronous behavior of server functions. This highlights how modern frameworks can introduce hidden complexities that lead to security vulnerabilities, even in straightforward code. The author emphasizes the importance of understanding these nuances to avoid such pitfalls in software development.
security
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nextjs
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javascript
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Saved October 28, 2025
The FreeBSD project has achieved a significant milestone with the development of reproducible builds and the ability to build FreeBSD without requiring root privileges. This enhancement improves security and simplifies automated builds, contributing to the ongoing efforts in the open-source ecosystem. The changes are part of the upcoming FreeBSD 15.0 release.
freebsd
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reproducible builds
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security
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Saved October 28, 2025
The article discusses a comprehensive study revealing that a significant amount of sensitive data is being transmitted unencrypted via geostationary satellites. This includes internal corporate communications, military data, and personal information, all of which can be intercepted using consumer-grade hardware. The study emphasizes the need for encryption in satellite communications to protect against vulnerabilities.
satcom
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security
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encryption
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Saved October 28, 2025
The FreeBSD Foundation has successfully enabled the building of FreeBSD without requiring root privileges, enhancing security and simplifying automated builds. This update also introduces reproducible builds, ensuring that identical source inputs yield identical binary outputs, thereby improving the integrity of the software supply chain.
freebsd
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reproducibility
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security
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Saved October 28, 2025
The article discusses a newly accepted paper on monitoring tamper-sensing meshes using low-cost, embedded time-domain reflectometry (TDR). This innovative approach utilizes inexpensive components, allowing for precise monitoring of security meshes used in high-security devices, while overcoming limitations of previous methods that relied on complex circuitry and analog resistance measurements. The author shares insights on the circuit design, performance, and potential applications.
tamper-proof
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time-domain reflectometry
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security
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Saved October 28, 2025
The article discusses how Cloudflare's Page Shield effectively mitigated the npm supply chain attack that compromised 18 popular packages, preventing attackers from stealing cryptocurrency and other sensitive information. Utilizing advanced machine learning techniques, Cloudflare assesses billions of scripts daily to identify and block malicious code, ensuring enhanced security for users.
npm
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security
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machine learning
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Saved October 28, 2025
The article discusses the challenges of balancing security and reliability in system design, illustrated by an incident at Google where a password manager failed due to unexpected traffic, leading to a complex recovery process. It emphasizes the importance of understanding the interplay between security measures and reliability risks, as well as the different design considerations required for each.
security
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reliability
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design
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Saved October 28, 2025
The article discusses a recent experience of flying with British Airways, where the author discovered a way to access free WiFi for messaging by signing up for their frequent flyer program mid-flight. It explores the technical aspects of how the airline restricts internet access based on the SNI (Server Name Indication) during TLS handshakes, allowing only certain messaging apps while blocking others, and includes a detailed analysis of the WiFi setup and testing methods used to investigate the restrictions.
wifi
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british airways
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security
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Saved October 28, 2025
The article discusses a critical Remote Code Execution (RCE) vulnerability, named TARmageddon (CVE-2025-62518), found in the async-tar Rust library and its forks, including the abandoned tokio-tar. This vulnerability can lead to severe attacks due to its wide usage in popular projects, highlighting the challenges of maintaining open-source software and coordinating timely disclosures and patches across multiple forks. The Edera team recommends migrating to actively maintained forks to mitigate risks associated with the abandoned dependencies.
vulnerability
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open-source
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security
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Saved October 28, 2025
The GitHub issue discusses the absence of a new Docker image for a recent security release related to MinIO. The user inquires whether the lack of a release on DockerHub and quay.io is expected and requests that a new release be pushed for installation purposes.
minio
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docker
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security
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Saved October 28, 2025
The article discusses Linux capabilities, a security feature that allows finer control over permissions compared to the traditional superuser model. It explains how capabilities can be set and modified for executables, which can potentially create security risks if misused, and emphasizes the importance of hunting for files with set capabilities in security practices.
linux
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capabilities
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security
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Saved October 28, 2025
The article discusses the vulnerabilities of local large language models (LLMs), particularly gpt-oss-20b, highlighting their susceptibility to manipulation through coded prompts. It details two specific attack methods, one that embeds hidden backdoors and another that executes malicious code during the coding process, emphasizing the high success rates of these attacks due to the models' inability to recognize malicious intent.
security
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local-llms
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vulnerabilities
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Saved October 28, 2025
The article discusses the importance of effective error messages in user experience (UX) design, arguing that many current messages are overly generic or whimsical rather than informative. It explores the trade-offs between user support and security, particularly in login error messages, and highlights how even poor error messages can inadvertently provide valuable information to attackers, thus becoming a kind of "oracle."
error messages
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user experience
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security
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Saved October 28, 2025
The article discusses Katakate's k7, a self-hosted infrastructure solution designed for creating lightweight virtual machine sandboxes to securely execute untrusted code. Built on technologies like Kubernetes, Kata, and Firecracker, it offers a CLI, API, and Python SDK, and is particularly suited for applications like serverless computing and CI/CD runners. The project is open-source and currently in beta, emphasizing caution for sensitive workloads.
virtualization
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security
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open-source
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Saved October 28, 2025
The article expresses caution regarding the use of the Obsidian app, highlighting concerns about its closed-source nature, distribution methods, and reliance on community plugins, which may pose risks to user security. The author appreciates the app's philosophy and functionality but emphasizes the need for greater awareness of potential dangers associated with its use.
obsidian
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security
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plugins
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Saved October 28, 2025
The article discusses the security risks associated with AI browser agents, such as OpenAI's ChatGPT Atlas and Perplexity's Comet, which can compromise user privacy. Experts warn that these agents require extensive access to user data and are vulnerable to prompt injection attacks, potentially leading to unauthorized actions and data exposure. Despite efforts to implement safeguards, significant security challenges remain in the deployment of these technologies.
ai
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security
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privacy
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Saved October 28, 2025
Centia.io offers a secure SQL API that allows users to query data over HTTP or WebSocket, supporting operations like select, insert, update, and delete. It provides built-in security features such as OAuth2 and row-level security, along with a developer-friendly interface including an OpenAPI schema and SDKs. The service is designed for easy integration and management of data operations.
sql api
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security
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developers
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Saved October 28, 2025
The article presents the MCP Scanner, a Python tool developed by Cisco AI Defense for scanning Model Context Protocol (MCP) servers to identify security vulnerabilities. It features multiple scanning engines, customizable YARA rules, and flexible authentication options, making it a powerful solution for comprehensive security analysis. The tool can be run as a CLI or REST API and supports OAuth for authentication.
security
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scanning
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vulnerabilities
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Saved October 28, 2025
The article discusses a significant security flaw discovered in a Next.js application due to a seemingly perfect function that always returned true. This issue arose from the asynchronous behavior of server functions in React, which inadvertently turned a synchronous check into a promise evaluation, allowing unauthorized access. The author emphasizes the importance of understanding framework behavior to avoid such pitfalls in software development.
security
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next.js
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javascript
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Saved October 28, 2025
The FreeBSD project has achieved a significant milestone by implementing reproducible builds and eliminating the need for root privileges during the build process, enhancing security and simplifying automated builds. These improvements are part of the upcoming FreeBSD 15.0 release and were commissioned by the Sovereign Tech Agency. The changes make it possible to build all FreeBSD release artifacts without requiring root access, addressing common issues associated with reproducibility in software development.
freebsd
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reproducible builds
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security
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Saved October 28, 2025
The FreeBSD Foundation has successfully implemented a no-root infrastructure for building FreeBSD, eliminating the need for root privileges in the build process. This enhancement improves security, enables reproducible builds, and allows contributors to create FreeBSD release artifacts safely and easily on local systems.
freebsd
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reproducibility
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security
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Saved October 28, 2025
The article discusses a new paper on monitoring tamper-sensing meshes using low-cost time-domain reflectometry (TDR) with inexpensive components. This innovative approach enables precise monitoring of security meshes, which are used to protect high-security devices, achieving high resolution while remaining cost-effective. The author shares insights into the circuit design and performance, highlighting the effectiveness of the method against physical attacks.
tamper-sensing
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time-domain reflectometry
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security
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Saved October 28, 2025
The article discusses how Cloudflare's client-side security, particularly its Page Shield feature, effectively mitigated the risks posed by a recent npm supply chain attack where malicious code was injected into popular JavaScript packages. The advanced machine learning algorithms employed by Cloudflare allowed for rapid detection and prevention of potential crypto theft, ensuring the safety of users' applications against such vulnerabilities.
cloudflare
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security
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npm
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Saved October 28, 2025
The article discusses a security vulnerability in Microsoft 365 Copilot, where an indirect prompt injection allowed the execution of arbitrary instructions to extract sensitive tenant data. By leveraging Mermaid diagrams, attackers could create deceptive elements that transmitted this data to their server when clicked by users.
microsoft
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security
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exfiltration
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Saved October 28, 2025
The article discusses a recent talk by Simon Willison at a Claude Code Anonymous meetup, where he explores the benefits and risks of using coding agents, particularly through the "YOLO mode" that allows for greater freedom in executing tasks. While this mode offers significant advantages in productivity, it also poses risks such as prompt injection vulnerabilities that can compromise security. Willison shares examples of projects he completed using this mode while highlighting the need for caution.
coding
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security
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automation
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Saved October 28, 2025
The article discusses a significant failure in Google's internal password manager triggered by a high traffic spike from a WiFi password change announcement. It highlights the challenges in balancing reliability and security in system design, illustrating how the interplay between these two aspects can lead to unexpected outcomes, as evidenced by the engineers' struggle to restore service due to security protocols and miscommunications.
passwords
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reliability
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security
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Saved October 28, 2025
Users of hardware security keys for two-factor authentication (2FA) on the platform X must re-enroll their keys by November 10 to avoid account lockout. This requirement is part of X's transition from the Twitter.com domain to x.com and does not affect other 2FA methods like authenticator apps. Cybersecurity experts continue to recommend the use of 2FA for enhanced account protection.
security
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authentication
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x.com
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Saved October 28, 2025
The article presents slides from a presentation discussing memory tagging, a technique aimed at improving memory safety and security in software applications. It outlines the potential benefits of memory tagging as well as its implementation challenges, particularly in the context of LLVM, a popular compiler infrastructure. The audience is likely composed of developers and researchers interested in advanced memory management techniques.
memory
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tagging
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security
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Saved October 28, 2025
A user raised an issue on the MinIO GitHub repository asking about the absence of a new Docker image for a recent security release. They inquired whether this was expected and requested that a new release be pushed for Docker installation methods.
minio
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docker
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security
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Saved October 28, 2025
The article discusses the discovery of cryptographic vulnerabilities in Cloudflare's CIRCL library, specifically regarding its FourQ elliptic curve implementation. These issues, related to insufficient validation of points during elliptic curve computations, could potentially allow attackers to exploit the system and derive secret keys. The vulnerabilities were reported and subsequently addressed by Cloudflare.
cryptography
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cloudflare
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security
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Saved October 28, 2025
The article explores Linux capabilities as a fine-grained access control mechanism that allows for more secure privilege management by dividing the traditional superuser privileges into distinct units. It demonstrates how these capabilities can be manipulated to create potential security vulnerabilities, particularly in the context of privilege escalation and backdooring. Additionally, it provides commands for viewing and managing capabilities on Linux systems.
linux
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capabilities
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security
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Saved October 28, 2025
The article discusses the security vulnerabilities of local large language models (LLMs), particularly gpt-oss-20b, which are more easily tricked by attackers compared to larger frontier models. It details two types of attacks: one that plants hidden backdoors disguised as harmless features, and another that executes malicious code during the coding process by exploiting cognitive overload. The research highlights the significant risks of using local LLMs in coding environments.
security
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llms
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vulnerabilities
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Saved October 28, 2025
The article discusses the inadequacy of many error messages in software design, arguing that poor messages often arise from design trade-offs rather than incompetence. It highlights the importance of providing informative and actionable messages while also addressing security concerns that lead to vague errors, using examples like login errors and encryption-related issues.
error messages
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user experience
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security
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Saved October 28, 2025
The article presents Katakate's k7, a self-hosted infrastructure designed for creating lightweight virtual machine (VM) sandboxes to safely execute untrusted code. It supports a command-line interface, API, and Python SDK, leveraging technologies like Kubernetes, Kata, and Firecracker for efficient VM management. Currently in beta, it offers features for serverless applications, CI/CD runners, and blockchain execution, while being open-source under the Apache-2.0 license.
virtualization
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security
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open-source
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Saved October 28, 2025
The article expresses caution regarding the use of the Obsidian app, highlighting concerns about its closed-source nature, the lack of distribution via the Mac App Store, and potential risks associated with community plugins. While the author appreciates the app's philosophy and potential, they emphasize the importance of being aware of the security implications involved in using it, especially when accessing sensitive data.
obsidian
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security
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plugins
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Saved October 28, 2025
Centia.io offers a secure SQL API that allows users to query data over HTTP or WebSocket with support for JSON-RPC methods. It features built-in security measures such as OAuth2, row-level security, and rate limiting, making it a developer-friendly solution backed by Postgres. The platform provides intuitive SDKs and a friendly CLI for data management.
sql
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api
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security
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Saved October 28, 2025
Pleo is currently facing a phishing attempt where fraudulent SMS messages are impersonating the company, warning recipients about declined transactions or login issues. Users are advised not to share their passcodes or call any numbers provided in these messages, and to report any suspicious activity to Pleo's support team. The company has implemented measures to enhance security, including changing the sender name for SMS messages in Denmark.
phishing
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security
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alerts
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Saved October 28, 2025
The article introduces MCP-Scan, a security scanning tool designed to identify and log vulnerabilities in MCP connections. It features capabilities such as static and dynamic scanning for attacks like prompt injections and tool poisoning, as well as real-time monitoring and guardrail enforcement for enhanced security. The tool supports various MCP configurations and offers customization for auditing and logging traffic.
security
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scanning
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vulnerabilities
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Saved October 28, 2025
The article features a discussion between Filippo Valsorda and Neil Madden regarding the design of the age encryption tool, focusing on the differences in their views on authenticated encryption and security guarantees. Valsorda emphasizes age's purpose as a confidentiality tool without sender authentication, while Madden provides a detailed response addressing various points raised about the design and implementation of age.
encryption
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security
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design
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Saved October 28, 2025
The article discusses the evolution of Cloudflare Radar since its launch in 2020, emphasizing its role in enhancing Internet observability by providing insights into security, performance, and usage trends. It highlights key developments, including the introduction of new data sets related to Certificate Transparency, connection tampering detection, and post-quantum encryption, while maintaining user-friendly access through improved information architecture and APIs.
internet
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security
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observability
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Saved October 28, 2025
The article discusses the implementation of Anubis, a security measure designed to protect websites from aggressive web scraping by AI companies. It introduces a Proof-of-Work scheme to deter bots while acknowledging that it requires modern JavaScript, thus limiting access for users with certain plugins. The solution aims to eventually improve bot detection without inconveniencing legitimate users.
security
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web scraping
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javascript
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Saved October 28, 2025
The article discusses the security risks associated with AI browser agents like OpenAI's ChatGPT Atlas and Perplexity's Comet, which offer advanced web browsing capabilities but pose significant privacy threats. Cybersecurity experts warn of vulnerabilities, particularly prompt injection attacks, which can compromise user data and actions. While companies are developing safeguards, the risks remain substantial as these technologies gain popularity.
ai
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security
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privacy
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Saved October 28, 2025
The article discusses three key indicators of email scams based on the author's personal experiences. It highlights the importance of scrutinizing sender identities, spotting contradictions in the content, and checking for suspicious links. The author emphasizes the need for vigilance to avoid falling victim to these scams.
email
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scams
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security
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Saved October 28, 2025
Omnia OS is an innovative email management solution designed to help users eliminate inbox clutter by allowing them to quarantine unknown senders, manage organization-specific threads, and clean up emails in bulk. With a focus on security, it keeps data local and isolates suspicious domains, ensuring that users can take back control of their inboxes. Currently available for free on macOS, it supports Gmail accounts while prioritizing user privacy.
email
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productivity
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security
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Saved October 28, 2025
The article discusses the security vulnerabilities in the Rust programming language associated with a situation dubbed "TARmageddon." It provides insights for developers on how these issues compromise Rust's security measures and what can be done to mitigate these risks.
rust
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security
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vulnerabilities
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Saved October 28, 2025
The article discusses the security of browser password managers, particularly Google's Chrome and Apple's Safari, highlighting that while they have improved significantly and are better than not using a password manager, they still pose risks due to operational security concerns. It emphasizes the need for users to be cautious about relying solely on browser-based solutions and suggests that dedicated password managers may still offer superior security.
password management
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security
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browsers
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Saved October 28, 2025
Microsoft has announced that the File Explorer Preview pane in Windows 11 25H2 and 24H2 will not function for files downloaded from the internet due to security concerns, specifically to prevent NTLM credential leaks. Users can still preview locally created files, but to view internet-downloaded files, they must manually unblock them in the file properties. This change also applies to Windows 10 with its latest update.
file explorer
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windows 11
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security
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Saved October 28, 2025
A security researcher discovered that the personal details of over 450 individuals with "top secret" US government security clearances were exposed on a House Democrats' website due to an unsecured database. The database, part of the DomeWatch service, contained sensitive information that could potentially be exploited for espionage. Following the discovery, the database was secured, and an investigation was launched into the security breach.
security
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espionage
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data breach
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Saved October 28, 2025
A security researcher discovered that a database containing sensitive personal information of over 450 individuals with "top secret" US government security clearances was exposed online by the House Democrats' DomeWatch website. The data included names, contact information, and details related to job applications, raising concerns about potential espionage risks if accessed by malicious actors. Following the discovery, the database was secured within hours, and an investigation has been launched to address security vulnerabilities.
security
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data breach
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espionage
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Saved October 28, 2025
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