Bounties demanded by the Ryuk hackers reach upwards of $5 million to be paid in bitcoin, according to the FBI.
The U.S. government has confirmed the existence of bomb threat emails that demand bitcoin from organizations and suggested steps to take.
Jared Kushner, a senior aide to US President Donald Trump, revealed that the extortionist threatened to release information on Trump's tax returns.
Victims of malware, such as bitcoin ransomware Cryptolocker, should pay off the perpetrators, an FBI agent has advised.
Police in the Netherlands are appealing for witnesses to find a person who is planting explosives and requesting a bitcoin ransom. According to the…
A British cybersecurity watchdog has issued a warning about new bitcoin ransomware attacks disguised as messages from several UK government agencies.
New Jersey-based online casinos were hit with distributed denial-of-service attacks and faced additional threats unless they paid a bitcoin ransom.
The FBI has received reports of more than $18m in losses in the past year stemming from the spread of bitcoin ransomware Cryptowall.
An executive in Australia has been reportedly victimized by online hackers after the company they work for was pressured into paying a bitcoin ransom.
Two Hong Kong banks were targeted with distributed denial of service (DDoS) attacks earlier this week by unknown parties demanding bitcoin ransoms.