Abstract: Methods, apparatus, and computer program products for protecting electronic devices are disclosed herein. One method includes detecting that a first connection terminal unit of a protection device is connected to an electronic apparatus to be protected, detecting that a second connection terminal unit is connected to an unknown device, and suppling source power to the electronic apparatus to be protected from the unknown device via a power supply terminal in a state where a data communication terminal is physically cut off. Apparatus, and computer program products that include and/or perform the methods are also disclosed herein.

Abstract: One aspect includes a system, including: a portable device having a receptacle; and a cable assembly including a plug connectable to the receptacle; the cable assembly including: a first connection for a peripheral device; a second connection for a charger; and a control section that indicates a charging mode to the portable device permitting connection of both the charger and the peripheral device to the portable device. Other aspects are described and claimed.

Abstract: One aspect includes a system, including: a portable device having a receptacle; and a cable assembly including a plug connectable to the receptacle; the cable assembly including: a first connection for a peripheral device; a second connection for a charger; and a control section that indicates a charging mode to the portable device permitting connection of both the charger and the peripheral device to the portable device. Other aspects are described and claimed.