So they never sent the video."Thanks triple j textline.Then we heard from Brendan, a caller whose friend had been blackmailed after meeting a girl online, chatting with her by video, and then being filmed wanking.
Philip Seltsikas, a cyber-security expert and associate professor from Sydney, told Veronica & Lewis there was no sure way of defending against ransomware.
He said there were probably a lot more computers infected than we know.
But taping over the camera doesn't prevent all kinds of ransomware.
It won't block the microphone, meaning conversations or *other noises* could still be recorded and stolen, and it won't stop someone locking up your files.
"All of our computers might currently be infected," the professor said.