Detections
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- ID: DT100
- Created: 13th September 2024
- Updated: 13th September 2024
- Contributor: Ismael Briones-Vilar
Virtual Private Network (VPN) Logs
Depending on the type of VPN appliance or service used, VPN logs can provide detailed records of user activity. These logs typically include information such as user IDs, device types, IP addresses, and connection timestamps. By analyzing VPN logs, security teams can identify deviations from normal usage patterns, such as connections from unusual geographic locations, access during odd hours, or unusually large data transfers. Anomalies in VPN usage can serve as early indicators of suspicious behavior, potentially signaling attempts at data exfiltration or other unauthorized activities. Alerts triggered by these irregularities allow for further investigation to assess potential threats.
Sections
ID | Name | Description |
---|---|---|
IF020 | Unauthorized VPN Client | The subject installs and uses an unapproved VPN client, potentially violating organizational policy. By using a VPN service not controlled by the organization, the subject can bypass security controls, reducing the security team’s visibility into network activity conducted through the unauthorized VPN. This could lead to significant security risks, as monitoring and detection mechanisms are circumvented. |
IF002.010 | Exfiltration via Bring Your Own Device (BYOD) | A subject connects their personal device, under a Bring Your Own Device (BYOD) policy, to organization resources, such as on-premises systems or cloud-based platforms. By leveraging this access, the subject exfiltrates sensitive or confidential data. This unauthorized data transfer can occur through various means, including copying files to the personal device, sending data via email, or using cloud storage services. |