Website has been attacked, what should I do?

[1391999895]

My website has been attacked, I can’t open the display 502 nginx, and my database has been stolen. What should I do a

[fritex]

@1391999895

My website has been attacked

How so and how do you know?
What have you done so far?
May I ask if your domain is at Cloudflare and using Cloudflare services?

@1391999895

display 502 nginx

May I ask you to post a screenshot of this error?
Is this error comming from the origin host / server or the Cloudflare?

@1391999895

my database has been stolen

I am sorry to hear that and I am also afraid this has nothing to do with Cloudflare.
You would have to troubleshoot that with your hosting provider.
Alaways have a backup.

There are known steps what to do in case of an Website being under an attack, etc.

Mitigating an HTTP DDoS Attack manually with Cloudflare

This guide is for those users of Cloudflare who experience medium-high level complexity DDoS attacks. Continue reading if you want to accomplish the following: Becoming more familiar with the Cloudflare Dashboard and crafting custom firewall rules. Understanding the standard behavior of DDoS attacks and deploying effective firewall rules. Realizing how powerful and valuable Cloudflare Firewall Rules are. I initially thought of making a more complex guide (I will). However, I realized that no…

https://support.cloudflare.com/hc/en-us/articles/115002059131-Understanding-your-site-protection-options

https://support.cloudflare.com/hc/en-us/articles/200170076-Understanding-Cloudflare-Under-Attack-mode-advanced-DDOS-protection-

https://support.cloudflare.com/hc/en-us/articles/200170196-Responding-to-DDoS-attacks

https://support.cloudflare.com/hc/en-us/articles/200170166-Best-Practices-DDoS-preventative-measures

[AppleSlayer]

Sorry to hear about that! Try this link

Responding to DDoS attacks

[sdayman]

You mean this familiar looking one?