US travel management firm CWT paid $4.5 million this week to hackers who stole reams of sensitive corporate files and said they had knocked 30,000 computers offline, according to a record of the ransom negotiations

After a year marked by devastating cyber attacks and breaches, online attackers are expected to become even more destructive in 2018, security researchers said Wednesday.

Britain on Friday blamed North Korea for a ransomware attack this year that a new report revealed affected a third of English hospitals and could have been prevented with "basic" IT security.

An ‘epidemic’ has erupted in global ransomware attacks, taking over computers as well as internet-linked devices like routers and CCTV cameras to turn them into tools for criminals ...

A major global cyber attack disrupted computers at Russia's biggest oil company, Ukrainian banks and multinational firms with a virus similar to the ransomware that infected more than 300,000 computers last month.

Another large-scale, stealthy cyber attack is underway on a scale that could dwarf last week's assault on computers worldwide, a global cyber security firm told AFP on Wednesday.

Qatar's businesses have not been impacted by the ongoing global cyber attack, Ooredoo said and noted the company’s experts are working with the Qatari authorities and international information security leaders.

Cyber security experts in Qatar and the region have advised caution and not to access any emails or other information from unknown sources, following the recent wave of cyber attacks across the world.

The unprecedented global ransomware cyberattack has hit more than 200,000 victims in more than 150 countries, Europol executive director Rob Wainwright said Sunday.

A global cyber attack forced a major European automaker to halt some production lines while hitting schools in China and hospitals in Indonesia on Saturday, though it appeared to die down.

Spain's government warned on Friday that a large number of companies had been attacked by cyber criminals who infected computers with malicious software known as "ransomware” that locks up computers and demands ransoms to restore access.

Ransomware is the most recent and deadly cyber security threat faced by individuals and corporates across the world and the cyber data must be well protected to avoid such attacks, a top cyber security expert has warned.