''But with problem handsets, they will call us, so our response has to be very fast. ''If you have a virus on your PC, you don't call Microsoft,'' Mr. They clearly need to promote Internet access if they want to generate profits from data traffic, but if they become too paranoid about viruses, they could end up hindering that traffic. In response to spam, many carriers have enhanced the firewalls that defend their network computers and some have also allowed customers to block calls or mail from designated phone numbers.īut phone companies tread a thin line when it comes to blocking legitimate data traffic for fear that it contains viruses. Fillip said, companies have begun to recognize the potential threat to their businesses. Out of frustration, some customers may also switch providers. In the worst case, malicious attacks on cellphones in 2005 could result in $471 million in costs for every five million users affected, according to estimates Mr. Another 26 percent of those messages are blocked by DoCoMo users who have programmed their handsets to turn back unwanted mail or spam. DoCoMo blocks about 55 percent of the one billion text messages that reach its servers each day because of suspicious return addresses or attachments. CUSTOMIZABLE NETWORK WORM VIRUS DOWNLOAD SOFTWAREEventually, DoCoMo dealt with the problem by installing special security software on its servers and new handsets, which were also being bombarded with unwanted commercial e-mail and text messages from advertisers, dating clubs and other marketers. A rash of viruses might turn off users to the new network before it was released. CUSTOMIZABLE NETWORK WORM VIRUS DOWNLOAD DOWNLOADThat event was a shock because the company is spending billions of dollars introducing its high-speed third-generation, or 3G, network that allows users to download data up to 40 times faster than conventional mobile phone networks. ''The incident was definitely unexpected, that's for sure,'' said Nobuyuki Watanabe, senior director of the Terminal Application Group at DoCoMo. NTT DoCoMo, the country's largest cellular phone provider, received complaints from customers who were being sent messages that froze their screens and automatically dialed 110, the emergency line to the police in Japan. That, in fact, is what happened in Japan in 20.
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