The Internet has emerged a huge data set using stolen Log-in information. In it, nearly 773 million different E-Mail to be included addresses, and over 21 million in clear text readable by different passwords, said the IT security expert Troy Hunt.

The data set to gather information “from many individual Data thefts and Thousands of different sources,” wrote Hunt in a blog entry on Thursday. The Microsoft employee operates a database in which Internet users can check if their Log-in are affected the in-information of Data thefts.

In the past years, there had been several Hacker attacks, in which hundreds of millions of combinations of email addresses and passwords were looted. The passwords were encrypted but for the most part cryptographic.