112-51 Exam Dumps : Network Defense Essentials (NDE) Exam

Deterrent controls are a type of physical security controls that use warning messages and signs to notify legal consequences and discourage hackers from making intrusion attempts. Deterrent controls aim to reduce the likelihood of an attack by creating a perception of risk or fear in the potential attackers.Deterrent controls can include fences, locks, alarms, cameras, guards, or security policies12.References:Network Defense Essentials - EC-Council Learning,Understanding the Various Types of Physical Security Controls

The state in which Mark encrypted the data in the above scenario is data in use. Data in use refers to data that is being processed or manipulated by an application or a system, such as data stored on RAM or CPU registers. Data in use is the most vulnerable state of data, as it is exposed to various threats, such as memory scraping, buffer overflow, or side-channel attacks, that can compromise the confidentiality, integrity, or availability of the data. Data in use encryption is a technique that protects the data while it is being processed by encrypting it in memory using hardware or software solutions. Data in use encryption prevents unauthorized access or modification of the data, even if the system is compromised or the memory is dumped.Data in use encryption is one of the three types of data encryption, along with data at rest encryption and data in transit encryption123.References:

• Network Defense Essentials Courseware, EC-Council, 2020, pp. 3-23 to 3-24
• Encryption: Data at Rest, Data in Motion and Data in Use, Jatheon, 2020
• Data in Use Encryption: What It Is and Why You Need It, Fortanix, 2020