Yeah, but, they're actually telling the truth here, right? The iPhone 5C has an unsecured AHB or AXI bus. You can inject arbitrary code via DMA and trigger and

Yeah, but, they're actually telling the truth here, right? The iPhone 5C has an unsecured AHB or AXI bus. You can inject arbitrary code via DMA and trigger and interrupt to cause it to run. This went away with TrustZone (present in ARMs with a secure enclave including later iPhones).