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Computer passwords need to be memorable and secure. Most people’s are the first but not the second. Researchers are trying to make it easier for them to be both. Passwords are ubiquitous in computer security. All too often, they are also ineffective. A good password has to be both easy to remember and hard to guess, but in practice

Neotel has doubled the number of retail subscribers on its network in the past 11 months, growing this customer segment from 50 000 to 100 000, according to CEO Sunil Joshi. However, the company, licensed in the mid-2000s as the first competitor to incumbent Telkom, is still struggling to make much on an impact in the consumer market, with less