Twitter Crash: Hack Or Hardware Fail?

Our take: Twitter was offline for about two hours Thursday, with hacking group UGNazi claiming credit and Twitter insisting the problem was equipment-related.

"'Today's outage is due to a cascaded bug in one of our infrastructure components,' a company spokesman said in an email, denying the involvement of hackers."

"The person claiming to be Cosmo, one of the individuals associated with UGNazi, disputed Twitter's denial in a follow-up email. "Twitter moved to multiple servers today to try and migrate [sic] the attack," the sender said. "It was not a bug."

Read more about Thursday's Twitter outage on InformationWeek.