Explanation
It is possible to restrict the time of day, or day of week that a reconcile process can occur by using the Reconcile Safe option in the Platform Management section of the PrivateArk Client. This option allows the administrator to define the reconcile schedule for each platform, which specifies when the reconcile process can run and how often it should be performed. The reconcile schedule can be set to run daily, weekly, monthly, or on specific days and times. By restricting the reconcile process, the administrator can reduce the risk of unauthorized access to the accounts and improve the performance of the system. References:
* [Defender PAM Course], Module 5: Reconcile and Rotate, Lesson 1: Reconcile and Rotate Overview, Slide 9: Reconcile Safe
* [Defender PAM Study Guide], Section 5.1: Reconcile and Rotate Overview, Page 24: Reconcile Safe
* [CyberArk Documentation], Privileged Access Security Implementation Guide, Chapter 5: Configure the Vault, Section 5.4: Configure Platforms, Subsection 5.4.2: Reconcile Safe

Explanation
CyberArk's Privileged Threat Analytics (PTA) can be configured to send alerts to a Security Information and Event Management (SIEM) system and via Email. SIEM systems are used for real-time analysis of security alerts generated by applications and network hardware, while email alerts can be sent to individual or group email addresses for immediate notification1.
References:
* CyberArk Docs: Send PTA Alerts to Email1

Explanation
Suspected credential theft is a detection that PTA reports when a user connects to a machine or a cloud service without first retrieving the required credentials from the Vault. To detect this event, PTA requires the following sensors:
* Logs: This sensor collects log data from various sources, such as SIEM, Unix, AWS, and Azure, and forwards it to the PTA Server for analysis.
* Network Sensor: This sensor taps the network and collects network traffic data, which is used by the PTA Server to run deep packet inspection algorithms and detect cyber attacks, such as PAC, OverPass the Hash, and Golden Ticket.
* Vault Logs: This sensor collects log data from the Vault and forwards it to the PTA Server for analysis.
The Vault logs contain information about the users' activities in the Vault, such as password retrieval, session initiation, and audit records.
References: What Detections Does PTA Report?, PTA Network Sensors

Explanation
According to the CyberArk Defender PAM documentation, the Master Policy setting that must be active in order to have an account checked-out by one user for a pre-determined amount of time is Enforce check-in/check-out exclusive access. This setting enables organizations to permit users to check out a
'one-time' password and lock it so that no other users can retrieve it at the same time. After the user has used the password, the user checks the password back into the Vault. This ensures exclusive usage of the privileged account, enabling full control and tracking for the password. The duration of the check-out period can be configured in the platform settings for each account. References:
* Account check-out and check-in - CyberArk
* Master Policy - CyberArk