The article: Hackers backdoor the human brain, successfully extract sensitive data (Sebastian Anthony, ExtremeTech)
One technology that has become something of a cyberpunk cliché is the brain-computer interface. Recent developments have focused on sinister police uses. Now black-hat hackers have found a way to keep up with the secret police.
Yes, now the black hats can hack people's brains and even leave malware using BCIs. This will become especially dangerous in virtual reality. The defense is the same as that against interrogators and torturers: awareness, and refusal to give in.
Eventually I suspect enterprising programmers will start developing anti-malware systems for the brain...