Administrators of Atlantismutual.com have explained the reason of recent program downtime. The reason has become popular lately:
AtlantisMutual.com was unavailable for several hours due to a massive DDoS attack as we had to improve Anti-DDoS server hardware and software. We will do our best to avoid further website access issues, please accept apologies for any inconvenience caused.
True it or not, it is clear that admins need to pay more attention to security if they want to stay active longer.