Spain says a Dutch citizen arrested there on suspicion of launching the biggest cyber attack in history, which disrupted global internet services, operated from a bunker and had a van capable of hacking into networks anywhere in the country.

A record-breaking cyberattack targeting an anti-spam watchdog group sent ripples of disruption across the web, experts say.

A record-breaking cyberattack targeting an anti-spam watchdog group has sent ripples of disruption coursing across the web, experts say.