Nan Fang Du Shi Bao·2025-12-23 14:34Core Viewpoint - Kuaishou faced a significant attack from black and gray market actors, leading to a surge of illegal content in live streams, prompting the company to take emergency measures and report the incident to authorities [2][5]. Incident Summary - On December 22, a large influx of illegal content appeared in Kuaishou's live streaming platform, leading to an emergency response that included shutting down the live streaming feature temporarily [6][9]. - The attack is characterized as a P0-level incident, indicating its severity and the extensive impact it had on the platform's operations [5][6]. - Kuaishou's live streaming functionality was gradually restored by the early hours of December 23, with the company condemning the illegal actions and reporting to law enforcement [2][6]. Attack Mechanism - Experts suggest that the attack required the use of already verified accounts, which could be obtained through methods like credential stuffing or the use of virtual accounts that bypassed Kuaishou's verification process [5][7]. - The attack utilized automated tools to rapidly publish and disseminate illegal content, overwhelming the platform's ability to respond effectively [8][12]. - The nature of the attack was described as a distributed denial-of-service (DDoS) assault on the platform's business logic, aiming to exhaust its resources and create a window for the spread of illegal content [8][12]. Security Implications - The incident highlighted vulnerabilities in Kuaishou's detection and banning capabilities, raising questions about the effectiveness of its content moderation systems [7][9]. - Kuaishou has established a security framework that includes various protective measures, but the incident revealed gaps in its ability to handle automated attacks [9][12]. - Experts recommend that Kuaishou enhance its defenses by focusing on real-time management of abnormal traffic and implementing stricter access controls for newly registered or suspicious accounts [12].