---
title: "Exposed Cloud Instance GCP"
canonical: "https://kb.cynergy.app/space/MD/994508945/Exposed%20Cloud%20Instance%20GCP"
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 firewall rules:** Firewall rules allow you to control inbound and outbound traffic to your instances. You can create firewall rules that allow only authorized traffic to your instance.
- **Use Cloud Intrusion Detection/Prevention (CID/P):** Cloud IDS/IPS is a service that can help you detect and block malicious traffic to 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.

**Reference:**

- GCP Security Best Practices: [https://cloud.google.com/security/best-practices](https://cloud.google.com/security/best-practices)