The Payment Card Industry Data Security Standard (PCI DSS) is a proprietary information security standard for organizations that handle branded credit cards from the major card schemes including Visa, MasterCard, American Express, Discover, and JCB.

The PCI Standard is mandated by the card brands and administered by the Payment Card Industry Security Standards Council. The standard was created to increase controls around cardholder data to reduce credit card fraud.

The General Data Protection Regulation (GDPR) is a regulation in EU law on data protection and privacy for all individuals within the European Union. It also addresses the export of personal data outside the EU.

The GDPR aims primarily to give control to citizens and residents over their personal data and to simplify the regulatory environment for international business by unifying the regulation within the EU.

The Linux Audit system provides a way to track security-relevant information on your system.

Based on pre-configured rules, Audit generates log entries to record as much information about the events that are happening on your system as possible.

OpenSCAP is an OVAL (Open Vulnerability Assessment Language) interpreter, that is used for system configuration and vulnerability assessment.

Developed and supported by RedHat, it is recognized as a standardized compliance and hardening checking solution for enterprise-level infrastructure.

CIS (Center for Internet Security) is an entity dedicated to safeguard private and public organizations against cyber threats. This entity provides CIS benchmarks guidelines, which are a recognized global standard and best practices for securing IT systems and data against cyberattacks.

Osquery can be used to expose an operating system as a high-performance relational database. This allows you to write SQL-based queries to explore operating system data.

Wazuh provides an agent module that can be used to retrieve data from S3 buckets. In combination with log analysis rules, this module provides the ability to analyze and alert on AWS Cloudtrail, GuardDuty, Macie, IAM, VPC Flow and other Amazon AWS services data.

VirusTotal is an online service that analyzes files and URLs enabling the identification of viruses, worms, trojans, and other kinds of malicious content detected by antivirus engines and website scanners. Virustotal is commonly used as a threat intelligence source to help with security analysis and incident response.