Splashdata has, according to a report, studied 5 million unprotected passwords and found 123456 bagged the top place while followed by most difficult ones of 2018. ‘123456789’, ‘12345678’, ‘12345’, ‘111111’ and ‘1234567’ so the last three were taken by ‘sunshine’, ‘qwerty’ and ‘iloveyou’. It is always tough to remember a tough password.