In commercial competition, individual companies or individuals may adopt the following unethical and false methods to attack the online reputation of competitors. These behaviors not only violate business ethics, but may also involve legal risks： ###1. Information forgery 1. **Fake news factory** -Mass production of negative headline articles with company names through self-media matrix (such as "XX product carcinogenic incident") -Use deep forgery technology to make videos of inappropriate remarks by corporate executives 2. **Evidence grafting** -Tampering with manufacturer information in product test report -Use photos of quality accidents of other companies as competitor LOGOS ###2. Platform manipulation 3. **Search for pollution strategies** - Purchase a large number of low-quality external links to point to the opponent's official website, triggering search engines to downgrade their rights -Register a domain name that contains negative keywords (如xxx公司骗子.com ) 4. **Comment system attack** - Use virtual mobile phone numbers to register accounts in bulk to publish bad reviews of service companies -Ask and answer questions about manufacturing product defects on the Q&A platform ###3. Social Engineering 5. **Public opinion tipping point design** -Fake screenshots of conversations between outgoing employees in the industry community to break the news -Organize the online navy to produce short videos of "victims" defending rights 6. **Supervision induces complaints** -Falsifying consumer identities to report centrally to market regulatory authorities -Malicious complaints about competitors' e-commerce stores to the threshold that triggers platform penalties ###4. Technical penetration 7. **Data pollution attack** -Reduce SEO score by implanting dark chains on the opponent's official website through crawlers -Hijack corporate WiFi to create false user behavior data 8. **Service interference tactics** -Launched a CC attack on the official website of a small and medium-sized enterprise to create a downtime incident -Send a forged termination of cooperation statement to the partner's mailbox in bulk ###Defense suggestion： • Establish a network-wide public opinion monitoring system (tools such as Brandwatch can be used) • Regularly clean up network traces (Baidu snapshots, Web page archives, etc.) • HTTPS transformation and vulnerability scanning of the official website • Establish a normal communication mechanism with authoritative media/testing institutions These acts have been suspected of violating Article 11 of the "Anti-Unfair Competition Law" (commercial Slander) and Article 221 of the "Criminal Law" (crime of damaging commercial reputation). When an enterprise encounters a similar attack, it is recommended to immediately fix the electronic evidence through judicial appraisal and report it to the territorial Internet information department.