Security Tools

Run a privacy-focused home security camera system with support for multiple USB or Raspberry Pi cameras.

BlockSec Phalcon detects blockchain attacks and sends alerts to protocols, liquidity providers, traders, chains, and exchanges.

Experiment with DNS records and behavior using the interactive Mess With DNS project.

A GitHub collection of security hardening guides, tools, and other resources, including material tagged for Windows hardening and security practices.

Each Ethernaut level requires hacking a smart contract in the Ethereum Virtual Machine through a Web3 and Solidity wargame.

Build authentication into applications with Better Auth, an authentication framework.

View Toronto Police calls for service on a map that updates in real time, according to the supplied page description.

Tulipa Capital curates DeFi risk strategies and provides dashboards and partner information for its on-chain finance work.

3F Mutual offers insurance related to a MakerDAO emergency shutdown, according to its page.

Practice iOS penetration testing in a deliberately vulnerable app, with exercises covering vulnerabilities tested through iOS 11.

Cap offers an open-source, self-hosted CAPTCHA alternative using proof-of-work and instrumentation challenges.

The Snyk Security Database provides vulnerability details and remediation guidance for packages and cloud configurations.

A GitHub repository collecting a library of various cybersecurity resources, with folders for cybersecurity and hacking documentaries, cybersecurity YouTube channels, and free red team practice labs.

Pulsedive provides threat intelligence tools to search, scan, and enrich IP addresses, URLs, domains, and other indicators.

Browse a curated collection of information security tools, links, and learning resources.

UUID Tools generates individual or bulk UUIDs and supports multiple UUID versions.

GNUnet provides tools for decentralized communication through a secure peer-to-peer networking framework.

K3 Capital manages non-directional DeFi strategies such as interest-rate arbitrage, liquidity provision, and early protocol participation.

Manage two-step verification tokens on Android with Aegis Authenticator, a free, open-source app.

OpenZeppelin Contracts provides a library for secure smart contract development.

BlockSec combines crypto compliance and security tools for screening illicit fund flows, auditing contracts, and monitoring DeFi protocols.

Inspect and reverse engineer Android application packages using the Apktool utility.

Scan TCP ports with masscan, an asynchronous scanner designed for large network ranges.

Browse community-maintained materials and plugins for the Ghidra reverse engineering framework.