Core Viewpoint - The rise of fraudulent securities trading software has prompted multiple securities firms to issue warnings and take action against these illegal activities [1][4]. Group 1: Fraudulent Activities - Several securities firms, including Guosheng Securities, Huajin Securities, and China Merchants Securities, have reported instances of fraud where criminals impersonate securities company staff to conduct illegal securities and scam activities [1][4]. - The Gansu Securities and Futures Industry Association has highlighted multiple cases of investors being scammed, with one investor losing 440,000 yuan after downloading a fake brokerage app [2][3]. Group 2: Case Study - A specific case involved an investor named Xue, who was lured by a stock recommendation pop-up while reading an e-novel. He was directed to download a fraudulent app and subsequently lost 440,000 yuan after being manipulated into making cash deposits [3]. Group 3: Warnings from Securities Firms - Huajin Securities issued a risk alert regarding impersonation of their company and staff, noting that criminals use various online platforms to entice investors into downloading counterfeit trading software and providing false investment services [4]. - Longjiang Securities also warned that fraudsters are using fake identities to contact clients and lure them into illegal investment schemes [4]. Group 4: Investor Protection Measures - Securities firms are providing official channels for investors to verify the legitimacy of securities firms and their personnel, advising them to consult regulatory bodies for a list of legitimate institutions [5]. - Investors are encouraged to report illegal securities activities through national anti-fraud apps and to be vigilant against deceptive practices [5].

Core Viewpoint - The article highlights the increasing prevalence of fraudulent securities activities, particularly through fake trading software and impersonation of legitimate brokerage firms, prompting multiple securities companies to issue warnings and take action against these scams [2][12][16]. Group 1: Fraudulent Activities - Multiple brokerage firms, including Guosheng Securities, Huajin Securities, and China Merchants Securities, have reported instances of fraud where criminals impersonate brokerage staff to conduct illegal securities activities [2][12]. - A specific case involved an investor who downloaded a fake brokerage app and lost 440,000 yuan due to a scam that promised high returns but required additional payments to withdraw funds [8][10]. Group 2: Warnings and Alerts - The Gansu Securities and Futures Industry Association has issued alerts regarding the rise of fake securities firms and their fraudulent practices, advising investors to be cautious and verify the identities of individuals claiming to be brokerage staff [9][10]. - Huajin Securities and other firms have warned investors about the tactics used by fraudsters, including the use of fake apps, misleading advertisements, and unauthorized fees [12][16]. Group 3: Prevention Measures - Securities companies are encouraging investors to verify the legitimacy of brokerage firms and their representatives by using official channels, such as the China Securities Regulatory Commission and industry association websites [16]. - Investors are advised to report any suspicious activities through national anti-fraud apps and to be vigilant about the sources from which they download trading applications [16].