Cyber extortion a growing threat
For people making a living online, someone killing their internet connection could put their entire business in jeopardy.
This is the threat a new wave of cyber extortionists are holding over tech companies.
The weapon the extortionists use is a distributed denial of service (DDoS) attack to block access to their websites, accompanied by demands for money to stop the attack.
BBC Newsnight's David Grossman reports.
- From the section Technology