This challenge included a hint saying, "It is recommended to use SageMath to solve this problem." There was also a link to a brief introduction to SageMath in the hints, but as I wrote on note the ...

May 2026 dropped three critical Linux vulnerabilities on a near-weekly cadence, and the security discourse has mostly treated them as three separate bad days. They’re not. Together they form a ...

AI agents have fundamentally changed the threat model of AI model-based applications. By equipping these models with plugins (also called tools), your agents no longer just generate text; they now ...

CTFx started from a bunch of PowerShell scripts I wrote for CTF competitions back in HKCERT 2024. Later, in the HKCERT 2025 Final, I made a Python-based CTF Assistant for AWD matches. It worked pretty ...

Threat actors are testing malware that incorporates large language models (LLMs) to create malware that can evade detection by security tools. In an analysis published earlier this month, Google's ...

Abstract: In this paper, we introduce CTF-PWN100, a dataset and automated framework designed to evaluate the performance of large language models (LLMs) in solving Capture-The-Flag (CTF) binary ...

A new artificial intelligence (AI)-powered penetration testing tool linked to a China-based company has attracted nearly 11,000 downloads on the Python Package Index (PyPI) repository, raising ...

Cyclops is a parallel (distributed-memory) numerical library for multidimensional arrays (tensors) in C++ and Python. Quick documentation links: C++ and Python. Broadly, Cyclops provides tensor ...

Cybersecurity is a rapidly growing and evolving field with a wide range of subfields and specializations. One of these is penetration testing, a discipline within what's known as "red teaming," which ...

The threat actors behind the AndroxGh0st malware are now exploiting a broader set of security flaws impacting various internet-facing applications, while also deploying the Mozi botnet malware. "This ...