Major tech-intensive firms here are stepping up internal security training and vigilance against industrial espionage, after Nvidia CEO Jensen Huang made headlines for his reported affair with Alice Huang, who is suspected of being linked to Chinese intelligence. The allegations have heightened concerns among technology companies that personal relationships and social interactions could be exploited to compromise sensitive corporate information. Major U.S. technology companies, including OpenAI, have also been strengthening counterintelligence training for employees. Some companies have reportedly advised workers to take precautions in their daily lives, including avoiding wearing clothing with company logos outside the workplace. The heightened vigilance is also spreading among Korean semiconductor companies, which handle highly sensitive technologies and intellectual property. Samsung Electronics and SK hynix have been strengthening security education for employees, as the importance of advanced semiconductor technologies grows. Samsung Electronics’ Device Solutions (DS) division desi