Security threats from hacker

Discussions of secure PHP coding. Security in software is important, so don't be afraid to ask. And when answering: be anal. Nitpick. No security vulnerability is too small.

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lalkamal
Forum Newbie
Posts: 1
Joined: Sat Aug 22, 2009 5:37 am

Security threats from hacker

Post by lalkamal »

We have a site on realestate. This site is built with php two years back. Recently this site was hacked by someone. Hacker put his page replacing original index page. I have deleted all the files and folder from server and reload with original files and folder. Within one day this site is hacked again. But interesting things is that that time ftp showing no files in the server, but from control panel I can see used diskspace is 98mb and also when I tries to reload again then ask conformation that I really want to change old file with new one. Now we changed the server. We are suspecting that hacker may hack this site again. How can I secure this site from hacker.

Please help me soon.
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Ambush Commander
DevNet Master
Posts: 3698
Joined: Mon Oct 25, 2004 9:29 pm
Location: New Jersey, US

Re: Security threats from hacker

Post by Ambush Commander »

What most likely happened is that the hacker left a backdoor file on your server in order to let themselves back in. Can you do a full wipe and restore from backup? Is your application vulnerable and you need to fix that?
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