Do you mean DDoS attack? DDoS stands for Distributed Denial of Service attack. It's a method used by computer enthusiasts or computer hackers to penetrate servers or hosts. It's also used for hacking purposes. The hacker/penetrator uses DDoS attack to gather private and confidential data of person or organization. DDoS attack can petrify and make your computer function like a zombie. "Mura ug mu-hang imong computer ana nga style"...worst total denial access to your computer.
Regarding sa imong blogsite, choose a reliable and highly secured hosting provider. If you have problems accessing your website, contact your hosting provider.
By the way, what's your blogsite?