Group 1 - The core issue is the rising incidence of telecom network fraud targeting students during the summer, with five main types identified [1] - The five types of fraud include: 1. Part-time brushing tasks, where scammers lure students with fake job offers and later induce them to invest more [1] 2. Flight ticket refund and change scams, where fraudsters impersonate airline customer service to offer refunds [1] 3. Fake concert ticket sales, where scammers request deposits under the guise of service fees [1] 4. Online game account and equipment scams, where victims are directed to fraudulent trading platforms [1] 5. Education institution refund scams, where scammers send fake refund documents to trick victims into transferring money [1] Group 2 - The police highlight a significant increase in scams targeting minors, particularly those impersonating law enforcement [2] - Scammers use social media and gaming platforms to lure minors with offers like "star chasing benefits" and then impersonate police or lawyers [2] - Effective prevention measures include avoiding unknown links, not trusting unfamiliar calls, and verifying any money transfers [2] - In case of falling victim to fraud, immediate actions include reporting to the police, collecting evidence, and visiting the nearest police station to file a report [2]