OpenTrojan
An open cybersecurity knowledge, threat intelligence, defensive tools and AI security assistant platform.
Open • Defensive • Trustworthy
Security Knowledge
What is malware, phishing, vulnerabilities and how to defend against them.
Malware Encyclopedia
Understand malware families, behavior, detection and prevention.
Privacy & Security Guides
Education-first guidance to protect your privacy and stay safe online.
Latest Content
- Privacy Basics — Getting Started A practical starting point for protecting your online privacy: passwords, 2FA, updates, and mindful sharing.
- Secure Communication Guide Learn how to communicate securely with end-to-end encryption, verify identities, and avoid common interception risks.
- What is Trojan Malware? A Trojan is malware disguised as legitimate software. Learn how Trojans work, how to detect them, and how to protect yourself.
- What is a Remote Access Trojan (RAT)? A RAT gives attackers remote control of your device. Learn its behavior, targets, associated techniques, and how to defend.
- What is Ransomware? Ransomware encrypts your files and demands payment. Learn how it works, how to detect an infection, and how to protect against it.
- What is Phishing? Phishing is a social engineering attack that tricks people into revealing credentials or installing malware. Learn to recognize and avoid it.