The exchange was down briefly on Sunday, following a powerful distributed denial of service (DDOS) attack against its servers.
After last week's Chinese bitcoin hoax, a litecoin flash crash and DDoS attack at exchange Huobi went almost unreported.
Distributed denial-of-service attacks have posed an increasingly severe and frustrating problem for mining pools in recent weeks.
The notoriously secretive exchange is gaining traction as a market leader following Mt. Gox's closure.
Bitstamp is restoring withdrawals to all accounts following criminal attempts to access users’ funds.
Following the DDoS attack, Bitstamp has revealed plans to start processing its customers' bitcoin withdrawals again later today.
Bitstamp has suspended bitcoin withdrawals in light of an attack on the Bitcoin network.
Bitstamp has been experiencing difficulties over the past couple of days including software problems and a DDoS attack.
John Law examines the impact of recent DDoS attacks, Baidu, and Google Glass on the bitcoin world.
Bitcoin gambling site SatoshiDice has recovered after being felled for several days by a DDoS attack.
The bitcoin network suffered a denial of service attack last week that exploited never-implemented skeleton features embedded in the Satoshi client.