I created maintenance backups to save the databases daily, before this I was doing it manually... I lost some information but luckily I had a backup almost up to date....

Guys, it's confirmed, the site was hacked. I found a new user in the admin tables. The problem of this site is that I don't have any "manage users" section...

Thanks Steve, I'm going to read it right now. I use stored procedures and parameters always, and I think I do things properly but I don't know what is inside...

Steve Jones - Editor (6/14/2010)

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If you track down when the issue occurred, I'd look through IIS logs and try to find the pages that are vulnerable. Fi that code ASAP....

Hi thanks for the answers.

GilaMonster (6/14/2010)

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It was either a hack or someone ran a delete from on the wrong server. SQL won't just empty tables by itself.

If the front end...