Is your message inbox clogged with spam messages everyday? Do you want to get rid of those useless junk SMSs then help is at hand. Ponnurangam Kumaraguru, assistant professor at the Indian Institute of Information Technology (IIIT) Delhi has developed what he calls SMSAssassin, software designed to filter spam messages. Currently the software is designed to run on Nokia’s Symbian system but very soon the research team will be developing a version for other popular operating systems such as Google’s Android and Windows Mobile.
Sending SMSs has become a popular and relatively cheaper option to advertise one’s goods and services and large number of companies is using this publicity gimmick to advertise giving a headache to the mobile user. Many steps have been taken in recent past by the government; including a national DND (do not disturb) registry, to keep spam SMSs away from unwilling subscribers but in vain. According to a research there are about 100 million spam messages sent every day in India by various companies.
This calls for a sure solution to fix the problem and SMSAssassin promises to be one such solution wherein spam filtering is automatically done. Professor Kumaraguru and his team of researchers in IIT Delhi conducted a study and found that an SMS is a spam or not depends from person to person therefore the software developed by him filters spam messages and also gives its users freedom to receive them even if they are spam but still useful to the subscribers.
The software uses a statistical technique of filtering spam in e-mail called Bayesian filtering that is combined with user’s blacklist that uses ‘crowd sourcing’ to identify spam. The crowd sourcing aspect enables the system to update itself constantly to the latest trends and changing tactics of spammers and respond quickly to spam targeted to specific time periods, says Kumaraguru. The technology is still in its prototype stage and the developers are hopeful to build a full-fledged system that can be deployed in real time soon.
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