Australia’s dominant telco, Telstra, has been serving one of the world’s most dangerous hacking tools after its news site was infected with malvertising.
Malwarebytes researcher Jerome Segura says the attackers were likely dropping the Tinba trojan, considered to be the world’s smallest malware by file size at about 20kb and one that raids bank accounts.
“The media home page of Australia’s largest telecommunications company, Telstra, was pushing some malvertising similar to the attack we just documented on the PlentyOfFish website,” Segura says.
It is unknown and difficult to know how many if any users have been popped, but the best exploit kits like Nuclear compromise up to 40 percent of users who encounter it.
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