The methods of terrorist organizations using the Internet for propaganda and recruitment of extreme ideas are complex and constantly evolving. They combine technology, psychology and communication strategies. The following is a detailed analysis.： --- ###**1. Main communication platform** 1. **Social media** (Facebook, Twitter, Instagram, TikTok, etc.)： -**Algorithm abuse**: Use the platform's algorithm push mechanism to expand the scope of dissemination through high-frequency publishing, hashtags and interactions. -**Group penetration**: Create closed or semi-closed groups and gradually instill ideas in members. 2. **Encrypted communication tools** (Telegram, Signal, WhatsApp)： -**End-to-end encryption**: To ensure communication privacy, avoid monitoring, and be used for internal coordination and sensitive information transmission. -**Channel broadcasting**: Publish promotional content through public channels to attract subscribers. 3. **Video and streaming platforms** (YouTube, Twitch)： -**Content camouflage**: Disguise extreme videos as live games, documentaries, or inspirational content to bypass censorship. -**Live broadcast incitement**: Use the instant and interactive nature of live broadcast to incite emotions, such as promoting “holy war” actions. 4. **Dark Web and Hidden Forums**： -**Anonymous communication**: Hide your identity through the Tor network, share tactical manuals, fund-raising information, etc. -**Cryptocurrency trading**: Raise funds through cryptocurrencies such as Bitcoin to avoid financial supervision. --- ###**2. Publicity strategy and psychological manipulation** 1. **Content production**： -**Emotional resonance**: Render oppressed narratives (such as religious persecution, racial discrimination) to stimulate anger or sadness. -**Symbolic packaging**: Use symbols such as flags, slogans, and music to build an identity and strengthen a sense of collective belonging. -**Gamification recruitment**: Design online games or virtual tasks to attract young people to participate and gradually transform. 2. **Target population orientation**： -**Vulnerable groups**: For individuals with financial difficulties, social isolation, or lack of identity. -**Technical personnel**: Recruit hackers and programmers to improve network attack capabilities, such as DDoS attacks or data theft. 3. **"Echo chamber" effect**： -Strengthen the audience's extreme cognition and reject rational information from the outside world by repeatedly pushing extreme content. --- ###**3. Recruitment methods** 1. **Personalized induction**： -Provide “solutions” to individual grievances (such as unemployment and family conflicts) through private messages or one-on-one chats. 2. **Virtual training camp**： -Provide online courses to teach extreme ideologies and even simulate weapon use or attack planning. 3. **Virtual community construction**： -Establish a virtual community on a game platform (such as a Minecraft server) or in a meta-universe for brainwashing and task assignment. --- ###**Fourth, upgrade of technical means** 1. **AI and automation tools**： -**Chatbot**: Automatically reply to potential recruits and guide them to encrypted channels. -**Deepfake**: Falsify the speeches of authoritative figures to enhance the credibility of propaganda. 2. **Cross-platform jump**： -Publish “diversion” content (such as encrypted links or QR codes) on mainstream platforms to guide users to more hidden platforms. --- ###**Five, Response measures** 1. **Technical countermeasures**： -**AI content recognition**: Use machine learning to detect extreme content (such as images and code words) and delete it in real time. -**Blockchain traceability**: Track the flow of cryptocurrency and cut off the chain of funds. 2. **International cooperation and law**： -**Cross-border data sharing**: For example, the ”Global Internet Anti-Terrorism Forum" (GIFCT) promotes collaboration between platforms. -**Legislation severely punishes**: For example, the EU's "Digital Services Law" requires platforms to actively monitor illegal content. 3. **Social intervention**： -**Counter-narrative propaganda**: Jointly produce anti-extremist content with non-governmental organizations to weaken the right of terrorist organizations to speak. -**Community education**: Carry out media literacy training in schools and communities to help identify online manipulation. --- ###**6. Challenges and trends** -**Technological confrontation upgrade**: Terrorist organizations use meta-universe and VR technology to build an immersive brainwashing environment. -**Decentralized structure**: Miniaturized and decentralized organizations are more difficult to track. -**Localization promotion**: Customized content for different regional cultures (such as dialect videos in Southeast Asia and Africa). --- Through a multi-dimensional strategy, terrorist organizations have turned the Internet into a “virtual caliphate”, and counter-terrorism requires a combination of technology, law and social governance to continuously innovate countermeasures.