What does HP use to continuously monitor printer memory for anomalies in case the malware advances past the code-signing and whitelisting protections?

What does HP use to continuously monitor printer memory for anomalies in case the malware advances past the code-signing and whitelisting protections?
A . HP Imaging Sure Run
B. HP Real-Time Safe Guard
C. HP Run-time Intrusion Detection
D. HP Memory Sure Sense

Answer: C