New Delhi: E-filers of income tax beware! Income tax online return accounts of certain people have been unauthorisedly accessed, the Finance Ministry has warned.

Replying to an RTI query, the Ministry said a process of "multifunctional authentication" has been designed and will be in place shortly to address any illegal access to e-filers' accounts. It, however, said no instance of "hacking", which implies a breach of security whereby the hackers can obtain passwords by entering into the system, has happened or reported in the case of e-filling website.