Firewalls and IDS

- [Instructor] For most of the early growth in the IoT,…we didn't incorporate any traditional security methods…such as firewalls and intrusion detection systems.…The belief was these tiny devices were…not an attractive target to hackers,…or they couldn't possibly be susceptible to an attack.…We find the assumptions are incorrect,…and we need more security methods.…IoT devices are small, have minimal processing,…and are not able to defend themselves.…

As a result, they're going to rely on external devices…and appliances such as firewalls…and intrusion detection systems that provide a layer…of defense between the devices and the internet connection.…A firewall is a hardware or software-based tool…that controls incoming and outgoing traffic…based on a set of rules that either permit or deny traffic…on a network or host.…An intrusion detection system…is a software or hardware device…that continuously monitors a system or network…for unusual or suspicious activity.…

IoT security devices have firewall…and intrusion detection system features on one device…