What encryption algorithm can be used for both encryption and digital signing, uses a one-way function, and is still widely used in e-commerce?

Which IDS identifies changes in heat waves?

A. Infrared sensors B. Electromechanical systems C. Photoelectric systems D. Acoustical systems

Which statement best describes an advanced persistent threat (APT)?

A. A malware attack by a nation state B. An advanced threat that continuously causes havoc C. Malware that persistently moves from one place to another D. An advanced malware attack by a persistent hacker