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REPORT: 2015 Sees Big Jump in Ransomware Attacks

ID: 21e67f4b-6a19-56e6-835c-32218aceafcc

STIX ID: report--21e67f4b-6a19-56e6-835c-32218aceafcc

Feed Name: Security Ledger

Threat Score
70/100

Date Published: 2016-07-20

Date Updated: 2026-04-26

Author: Paul Roberts

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Symantec's 2015 Internet Security Threat Report found a sharp rise in ransomware: more than 100 new ransomware families were identified, attackers are shifting to targeted organizational attacks, average ransom demands more than doubled to $679, and extreme ransom requests (e.g., 13 BTC) were observed; Symantec warns that Ransomware-as-a-Service and new platforms like IoT may expand the threat.

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