The outage that knocked Twitter offline for hours was traced to an attack on a lone blogger in the former Soviet republic of Georgia — but the collateral damage that left millions around the world tweetless showed just how much havoc an isolated cyberdispute can cause.
“It told us how quickly many people really took Twitter into their hearts,” Robert Thompson, director of the Center for the Study of Popular Television at Syracuse University, said Friday.
Tens of millions of people have come to rely on social media to express their innermost thoughts and to keep up with world news and celebrity gossip.
Twitter “is one of those little amusements that infiltrated the mass behavior in some significant ways, so that when it went away, a lot of people really noticed it and missed it.”
The attacks Thursday also slowed down Facebook and caused problems for the online diary site LiveJournal. But Twitter, the 140-character-or-less messaging site used by celebrities, businesses and even Iranian protesters, suffered a total outage that lasted several hours.
Those attacks continued Friday from thousands of computers pummeling its servers, said Kazuhiro Gomi, chief technology officer for NTT America Enterprise Hosting Services, which hosts Twitter’s service.
Twitter crashed because of a denial-of-service attack, in which hackers command scores of computers toward a single site at the same time to prevent legitimate traffic from getting through. The attack was targeted at a blogger who goes by “Cyxymu” — Cyrillic spelling of Sukhumi, a city in the breakaway territory of Abkhazia in Georgia — on several Web sites, including Twitter, Facebook and LiveJournal.
But they could have just as well targeted Twitter itself. That’s because the effects were the same whether the excess traffic went to the “twitter.com” home page or to the page for Cyxymu at “twitter.com/cyxymu.” Same with Facebook and LiveJournal.
“A denial of…