In November, a group of hackers compromised the data of the health insurer Medibank and demanded a hefty ransom amount or else had threatened to sell the data of the firm's customers online.

Not paid ransom, hackers dump Australian health data on dark web, wish 'Happy Cyber Security Day'

Relatives of scores of schoolchildren kidnapped by gunmen from an Islamic seminary over the weekend have appealed to the government to help free them, after the latest mass abduction to target a Nigerian school.

Nigeria schoolkids kidnapping: Families appeal for aid, authorities refuse to pay ransom

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Not paid ransom, hackers dump Australian health data on dark web, wish 'Happy Cyber Security Day'

Nigeria schoolkids kidnapping: Families appeal for aid, authorities refuse to pay ransom