By Olivia Solon, Bloomberg News
A cybercriminal group going by the name “DD4BC” is blackmailing financial institutions, threatening to take down their customer websites unless they pay a hefty bitcoin ransom.
DD4BC – which stands for “DDoS for Bitcoin” (Distributed Denial of Service for Bitcoin) – has been targeting firms since mid-2014, so far evading international police forces.
The group initially hit bitcoin mining companies, exchanges and online casinos with a handful of attacks per month. But over the last few months it has ramped up activity and turned its attention to the financial sector – banks, brokerages and automated ...
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