The Visualization of Internal Signals Architecture (VISA) enables data from memory to be read, and signals from peripherals to be interrupted. Intel VISA, what's that? Maxim Goryachy and Mark Ermolov spoke about the hidden technology during their Black Hat presentation, Intel VISA: Through the Rabbit Hole. They did this using a previously disclosed vulnerability in the Intel Management Engine subsystem that also exists in the PCH microchip. This flaw, the researchers say, enables hackers to attack by injecting spyware in the subsystem code.

Source: Forbes March 29, 2019 12:11 UTC