Ozark-Connect / NetworkOptimizer
Self-hosted optimization, monitoring (NMS), and security audit tool for UniFi Networks. Includes Wi-Fi Optimizer for wireless health scoring and channel optimization, advanced DNS/VLAN/firewall security checks, config optimization suggestions, centralized WAN and LAN speed test server w/ L2 tracing, CM, ONT, SFP, 5G modem stats +more.
HotCakeX / Harden-Windows-Security
Harden Windows Safely, Securely using Official Supported Microsoft methods and proper explanation | Always up-to-date and works with the latest build of Windows | Provides tools and Guides for Personal, Enterprise, Government and Military security levels | SLSA Level 3 Compliant for Secure Development and Build Process | Apps Available on MS Store✨
itext / itext-dotnet
iText for .NET is the .NET version of the iText library, formerly known as iTextSharp, which it replaces. iText represents the next level of SDKs for developers that want to take advantage of the benefits PDF can bring. Equipped with a better document engine, high and low-level programming capabilities and the ability to create, edit and enha
meziantou / Meziantou.Analyzer
A powerful C# Roslyn analyzer that uses static analysis to detect bugs, surface security issues, and enforce best practices—helping developers and AI write more reliable code.
lithnet / ad-password-protection
Active Directory password filter featuring breached password checking and custom complexity rules
starseed12345 / QuestStack
Unlock the Meta Quest 1 bootloader and gain root access using GhostLock + CVE-2021-1931.
psihijatrija / Sentinel
Userland EDR for Windows. ETW telemetry, behavioral correlation, MITRE ATT&CK.
aspnet-contrib / AspNet.Security.OAuth.Providers
OAuth 2.0 social authentication providers for ASP.NET Core
DigitalRuby / IPBan
Since 2011, IPBan is the worlds most trusted, free security software to block hackers and botnets. With both Windows and Linux support, IPBan has your dedicated or cloud server protected. Upgrade to IPBan Pro today and get a discount. Learn more at ↓
MichaelGrafnetter / DSInternals
Directory Services Internals (DSInternals) PowerShell Module and Framework
bcgit / bc-csharp
BouncyCastle.NET Cryptography Library (Mirror)
NewLifeX / X
Core basic components: log (file / network), configuration (XML / JSON / HTTP), cache (memory / redis), network (TCP / UDP / HTTP), RPC framework, serialization (binary / XML / JSON), APM performance tracking. 核心基础组件，日志（文件/网络）、配置（XML/Json/Http）、缓存（内存/Redis）、网络（Tcp/Udp/Http）、RPC框架、序列化（Binary/XML/Json）、APM性能追踪。
DuendeSoftware / products
The most flexible and standards-compliant OpenID Connect and OAuth 2.x framework for ASP.NET Core
SteeltoeOSS / Steeltoe
.NET Components for Externalized Configuration, Database Connectors, Service Discovery, Logging and Distributed Tracing, Application Management, Security, and more.
microsoft / DevSkim
DevSkim is a set of IDE plugins, language analyzers, and rules that provide security "linting" capabilities.
microsoft / binskim
A binary static analysis tool that provides security and correctness results for Windows Portable Executable and *nix ELF binary formats
cmu-sei / GHOSTS
GHOSTS (General Human-Oriented Synthetic Teammates and Systems) is a realistic user simulation framework for cyber experimentation, simulation, training, and exercise
SteeltoeOSS / Samples
Steeltoe samples and reference application collection
aliyun / aliyun-openapi-net-sdk
The Alibaba Cloud V1.0 SDK will soon enter the Basic Security Maintenance phase and is no longer recommended for use. V2.0 SDK is available here: https://github.com/aliyun/alibabacloud-csharp-sdk
SonarSource / sonarlint-visualstudio
SonarQube extension for Visual Studio providing code quality and security feedback directly in the IDE
portbuster1337 / Atlas
Cross-platform network execution toolkit (SMB/Kerberos/WMI/LDAP/DCSync) built on TrustedSec's Titanis - NetExec-style workflow in C#
KBT096 / windows-secure-toolkit
Local Windows security auditing and reversible hardening with a C#/.NET Framework 4.8 core and CMD/BAT entry points.
osmanonurkoc / SecureAppLocker
A robust system-level application locker for Windows. Powered by an NT Service and a modern WinUI 3 interface, it features instant metadata-based interception, fail-secure lockdown, zero-trust WTS session resets, and isolated Session 0 IPC. Secure your personal apps with master password cryptography and offline recovery.
dawwinci / agile-net-devirtualizer
Generic devirtualizer for Agile.NET (SecureTeam/CodeVeil) VM-based method protection — reconstructs CIL by reverse-engineering the runtime DLL structurally, no hardcoded per-build opcode tables.
netwrix / pingcastle
PingCastle - Get Active Directory Security at 80% in 20% of the time
microsoft / AttackSurfaceAnalyzer
Attack Surface Analyzer can help you analyze your operating system's security configuration for changes during software installation.
Stratus-Security / Sift
Fast, cross-platform CLI for finding secrets and sensitive data across filesystems, SMB, Active Directory, Microsoft 365, Slack, Jira and Confluence.
LSXPrime / SoundFlow
A high-performance, modular audio & MIDI engine for .NET 8+. A complete toolkit for the entire audio lifecycle: Playback, Recording, Multi-track Editing, Pro Synthesis (MPE/SF2), Real-time DSP, and Visualization. Includes a unique security suite for AES-256 encryption, acoustic fingerprinting, and watermarking. Featuring SIMD and NativeAOT support.