Di Yi Cai Jing·2025-12-23 02:45Core Viewpoint - Kuaishou's stock price dropped significantly due to a cyber attack that led to the spread of illegal content on its platform, highlighting vulnerabilities in its security measures [2][3][7]. Group 1: Stock Market Reaction - As of the latest update, Kuaishou's stock price was 62.9 HKD, reflecting a decline of 5.7% [2][7]. - In contrast, the cybersecurity index saw an increase of 0.66% during the same period [2][7]. Group 2: Incident Details - On December 22, around 22:00, multiple live streams on Kuaishou displayed illegal content, prompting the company to confirm that it was under attack from black and gray market actors [2][3]. - The peak of the illegal live streaming occurred between 22:00 and 23:30, leading to Kuaishou forcibly shutting down its live streaming feature and banning several accounts by 00:15 on December 23 [3][7]. Group 3: Security Challenges - Experts indicated that the attack's extensive damage was due to the transition of black and gray market activities into an "automated attack" phase, while Kuaishou still relied on traditional manual defense methods [3][7]. - Hackers utilized automated tools to register and control bot accounts, enabling rapid dissemination of illegal content, which overwhelmed Kuaishou's manual review capabilities [3][7]. Group 4: Security Measures - Kuaishou has established a multi-tiered security organization, including a security committee and a privacy protection working group, to enhance its information security framework [4][10]. - The company employs recognized security technologies such as intrusion detection, access control, and data encryption to protect user information [4][10]. - Kuaishou has also formed a specialized security blue team to identify and address weaknesses in its security defenses, aiming for continuous improvement [5][10].