At present, new types of illegal and criminal crimes on the telecommunications network across the country are frequently occurring, seriously damaging the vital interests of the people. Weifang Mobile actively implements the work deployment of the “breaking card” action, adheres to the work policy of “severe crackdown, source control, joint management, and both symptoms and root causes”, strengthens police-enterprise coordination and source governance, strengthens technological innovation, and effectively maintains social security and stability, Protect the vital interests of the general public. Since the launch of the “Break Card” operation, Weifang Mobile has cooperated with the public security organs to destroy more than 20 Maochi dens, seized more than 70 sets of Maochi and Luomanbao equipment involved in the case, and arrested more than 50 suspects. The management has achieved fruitful results.
In terms of technical capacity building, Weifang Mobile has given full play to its technical advantages. The new system of interception risk prevention and control greatly reduces the risk of fraudulent users entering the network; secondly, it makes full use of big data technology to build an anti-fraud system supported by abnormal business models and high-risk number identification models, and tap existing technologies to counteract Potential means to carry out strong technical countermeasures against new types of crimes, such as: in the recently destroyed local fraud dens, the suspects used fixed-line and VOIP gateway equipment to assist overseas criminals to make fraudulent calls, and successfully evaded control by using the fixed-line . Weifang Mobile reproduced the scene locally for the first time, and innovatively carried out targeted research work such as network-based traffic traffic identification, traffic-to-speech conversion, and keyword matching screening, and established a traffic-based identification The fixed-line-VOIP gateway fraud phone early warning model effectively realizes the early warning and monitoring of new fraud methods.
In order to strengthen the real-time management and control of abnormal communication behavior numbers, Weifang Mobile has established a variety of real-time monitoring strategies such as one card with multiple numbers and abnormal network access. Abnormal numbers are under 24/7 control, proactively discover abnormal fraud-related incidents, and shut down high-risk numbers in a timely manner. Since 2020, more than 40,000 high-risk number cards have been analyzed and verified, and more than 7,000 suspected fraudulent mobile phone cards have been closed, making it more difficult for criminals to use mobile numbers to commit crimes.
Next, Weifang Mobile will continue to promote the “broken card” operation in depth, coordinate with the public security, jointly manage and strengthen the source management , comprehensively implement various measures of prevention and control, continue to improve the ability to combat and prevent telecommunication and network fraud, and protect the people’s “money bag”.