Security
DDoS Extortionists Demand Bitcoin from Email Providers
A number of privacy-oriented email service providers have been targeted by DDoS extortionists demanding payment in bitcoin.
BitPay Sues Insurer After Losing $1.8 Million in Phishing Attack
Bitcoin payment processor BitPay has filed suit against a Massachusetts insurance company after losing $1.8m during a phishing attack last December.
Research: Ashley Madison Bitcoin Blackmail is Cheap and Profitable
A cybersecurity firm has released the results of a blockchain analysis into blackmail attempts against online infidelity website Ashley Madison.
Bitcoin Stock Scam Targets WhatsApp Users
A penny stock tied to a little-known bitcoin company and a slew of WhatsApp spam messages were at the heart of a pump-and-dump scheme last week.
New Cracking Tool Exposes Major Flaw in Bitcoin Brainwallets
A white-hat hacker has released a new tool designed to illustrate the ease with which illicit actors can steal bitcoins from brainwallets.
Hardware Vulnerability 'Could Compromise Bitcoin Private Keys'
Users storing bitcoin using hardware from a leading data protection company have been urged to update their devices or risk losing funds.
BitGo Launches New Financial Transparency Service
BitGo has announced the release of Verified by BitGo, a tool aimed at allowing customers to provide greater financial transparency.
Lloyd's Report: Bitcoin Will Always Be Risky
Bitcoin's security risk will "never be reduced to zero", according to a report released by insurance provider Lloyd’s today.
Bitcoin's 'New Frontier' of Cybercrime Explored at Barcelona Event
Bitcoin attackers present "a new frontier" for cybercrime, a gathering of top security specialists heard in Barcelona this week.
Xapo Moves to Switzerland Citing Customer Privacy Concerns
Bitcoin security specialist Xapo has relocated its headquarters to Switzerland in a bid to boost customer privacy protections.
