Twitter Blames Outages on 'Bug,' Not Hackers

Two service outages within the course of several hours rocked microblogging platform Twitter, as users worldwide reported significant down-time and slow service across both Twitter's website and mobile applications. Amid speculation that Twitter had been crippled by a hacker attack, the San Francisco-based company blamed the outage -- one of its most severe episodes in recent months -- on a "cascading bug" in one of its infrastructure components.