A new generation of cybercriminals have breached a slew of major firms, even those that have made major investments in security.

An aggressive ransomware group has hit a series of prominent targets in recent months without any arrests being made.

While best known for its social engineering techniques, a criminal hacking group known as "the Com" sometimes uses threats of violence.

An online community known as "the Com" linked to a string of prominent breaches is radicalizing young people into a life of online crime.