2.6 Embedded & Specialized Systems

Question 1

What are security concerns of Raspberry Pi?

Answer 1

Although software can be updated, it is typically not possible to integrate additional hardware security into these devices

Question 2

Define FPGA

Answer 2

Field Programmable Gate Array - an integrated circuit (IC) that can be programmed and reprogrammed allowing software updates, an example of FPGA use is in switches, routers, and other security appliances

Question 3

SCADA/ICS Security concerns

Answer 3

These specialized control circuits don’t have any built-in security and should be secured on a separate network that is not connected to the internet

Question 4

Name 3 security risks are associated with IoT/Smart Devices?

Answer 4

1. Not designed with security as a primary concern
2. OS often can’t be upgraded for security patches
3. Place on isolated network to prevent use as pivot to compromise more sensitive devices

Question 5

Define MFP and security risks

Answer 5

1. Multi-function device, i.e. printer, scanner
2. Information, such as printed documents, scanned images, call history, is often stored in local memory on the devices and could be compromised

Question 6

Define Real Time Operating Systems (RTOS) and security risks

Answer 6

1. used for automobile and industrial controls, i.e. anti-lock brake system on cars
2. Often don’t have visibility into the security of the OS running on these devices

Question 7

Surveillance systems security risks

Answer 7

Often are monitoring sensitive areas so need to ensure that only authorized personnel have access to the video feeds

Question 8

Define System on Chip (SoC)

Answer 8

any system that runs on embedded hardware, i.e. Raspberry Pi device

Question 9

5G device security concern

Answer 9

SIM cards can store authentication information and provide connectivity to the network, must be physically secured

Question 10

Security risks associated with narrow-band communications and the systems that typically use them

Answer 10

Often SCADA devices use narrow-band for wireless communication over long distances. Subject to interference which may cause damage due to lack of communication with these devices and what they control

Question 11

Define baseband

Answer 11

Communication usually used for wired ethernet communications

Question 12

Define Zigbee

Answer 12

A wireless standard used by IoT devices