---
title: "Exposed Cloud Instance AWS"
canonical: "https://kb.cynergy.app/space/MD/994508916/Exposed%20Cloud%20Instance%20AWS"
format: markdown
---
**Description:**

An exposed cloud instance is a virtual machine (VM) that is accessible to the public internet without proper security controls. This means that anyone with an internet connection can potentially access the instance and its data.

**Hackers View:**

- **Data breaches:** Attackers can access and steal sensitive data stored on the instance.
- **Malware infection:** Attackers can install malware on the instance, which can be used to steal data, launch further attacks, or disrupt operations.
- **DDoS attacks:** Attackers can use the exposed instance to launch distributed denial-of-service (DDoS) attacks against other systems.
- **Financial losses:** Data breaches and service disruptions can lead to significant financial losses.

**Mitigation strategies:**

- Access Control:

- **Restrict public access:** Configure security groups or network access control lists (NACLs) to restrict access to the instance only from authorized sources.
- **Use strong passwords:** Implement strong password policies and enable multi-factor authentication (MFA) for all administrative accounts.
- **Use dedicated accounts:** Create separate accounts for administrative tasks and regular user access.

- Data Security:

- **Encrypt data:** Encrypt all sensitive data at rest and in transit.
- **Minimize data collection:** Only collect and store the data that is necessary.
- **Implement data loss prevention (DLP):** DLP can help to prevent the unauthorized transfer of sensitive data.

- Monitoring and Logging:

- **Enable logging:** Enable logging for all system events and configure alerts for suspicious activity.
- **Regularly review logs:** Review logs regularly to identify and investigate any suspicious activity.

- Vulnerability Management:

- **Keep software up to date:** Regularly update the operating system and all software on the instance to patch vulnerabilities.
- **Conduct vulnerability scans:** Regularly scan the instance for vulnerabilities and remediate them promptly.

- **Use security groups:** Security groups allow you to control inbound and outbound traffic to your instances. You can create security groups that allow only authorized traffic to your instance.
- **Use Amazon Inspector:** Amazon Inspector is a service that can help you identify and remediate security vulnerabilities in your instances.

**Cynergy’s View:**

Cynergy detects the publicly exposed instances, enables to conduct a vulnerability assessment on the instances, and has automated remediation for exposed instances.  

**Additional Resources:**

- AWS Security Best Practices: [https://docs.aws.amazon.com/whitepapers/latest/aws-security-best-practices/welcome.html](https://docs.aws.amazon.com/whitepapers/latest/aws-security-best-practices/welcome.html)