(Image credit: huntresslabs via Instagram) Not since Quentin Tarantino's Inglorious Basterds have three fingers blown someone's cover so spectacularly. The rise of deepfake agents being deployed in scam video calls yet another alarming AI development of the last few months. Deepfakes are no longer confined to the realms of funny celebrity videos – now they might actually try and take your money. But a method for unmasking scammers is going viral online. Ask the person you're talking to to hold up three fingers in front of their face. If they refuse, they might just be masking their face with another. Holding fingers in front of the face can disrupt live deepfake tech – which means if the person has a fake face plastered over their own, it can cause the tech to glitch and the real one to appear. Article continues below The technique has been doing the rounds online for the last few weeks, but experts say users shouldn't rely on it entirely.…