Some of the world's leading cryptographers are concerned about the increasing number of malicious programs that hold computers and mobile phones to ransom, in many cases by abusing the encryption algorithms they designed.
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The group of attackers behind cyberintrusions at the White House and the Department of State last year used malware that bears strong similarities to cyberespionage tools suspected to be of Russian origin.
Security vendor Malwarebytes has flagged the Dell System Detect tool as a potentially unwanted application after older versions of the program were found to put computers at risk.
The Internet still remains vulnerable to security breaches, warns a Finnish security expert.
Ransomware authors continue improving file-encrypting programs and infection methods for Windows and Android, making these nightmarish attacks harder to avoid.
Merchants, not consumers, banks or credit-card providers, are the hardest hit by online fraud.
The National Broadband Network (NBN) could prove to be a best friend to cyber criminals, according to the head of the Australia's National Computer Emergency Response Team (AusCERT).
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