Almost one in three people have forgotten their password after signing up for an online service and as a result have decided not to use the service again, new research has found.

In addition the research, undertaken by TNS research, found that 47% of respondents use between four and 10 different passwords with the most popular being: mother's maiden name (20%), a pet's name (15%) and a child's name (10%). More than one in ten of us still regularly use the word 'password' as the password and only 3% use a random password.

Miles Quitmann, Commercial Director at OneVu, the UK consolidated electronic bill management service, said: “What this research shows is that many companies are at risk of losing and even alienating customers who wish to interact with them online, unless they adopt a multi-channel approach.”

He added that 71% of respondents cited convenience as the main driver for using the OneVu service.

OneVu is a joint venture between Voca (formerly BACS) and financial e-commerce service provider, CheckFree that launched at the end of last year with Lloyds TSB. The company said other major banks will be joining in phases throughout 2007 and 2008.