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Checklist · Security

Security launch checklist — Step by Step 2026

Launching a startup requires a strong security foundation. This checklist helps security teams, compliance leads, and founders navigate the critical steps to ensure a secure product launch, covering vulnerability management, access control, and compliance reporting.

50 checklist items 7 min read
Reviewed by Roman Trotsko & Denis TrotskoLast reviewed April 2026

Phase 01

Phase 1: Foundation & Planning

10 tasks
  • 1.1
    critical1 week

    Define Security Policies

    Establish clear security policies covering access control, data handling, and incident response. Reference ISO 27001 and NIST frameworks.

  • 1.2
    high3 days

    Conduct Threat Modeling

    Identify potential threats and vulnerabilities in your application and infrastructure. Use frameworks like STRIDE.

  • 1.3
    critical5 days

    Implement Access Controls

    Set up role-based access control (RBAC) using tools like Auth0 or Okta to manage user permissions.

  • 1.4
    high2 days

    Choose a Vulnerability Scanner

    Select a vulnerability scanning tool like Snyk or Nessus to identify security weaknesses in your code and infrastructure.

  • 1.5
    medium4 days

    Configure Security Monitoring

    Implement security monitoring tools like Datadog or Splunk to detect and respond to security incidents.

  • 1.6
    critical1 week

    Establish Incident Response Plan

    Create a detailed incident response plan to handle security breaches effectively. Include roles, responsibilities, and communication protocols.

  • 1.7
    high3 days

    Set up Secrets Management

    Use a secrets management tool like HashiCorp Vault to securely store and manage API keys, passwords, and other sensitive information.

  • 1.8
    medium5 days

    Define Compliance Requirements

    Identify relevant compliance standards (e.g., SOC 2, GDPR, HIPAA) and map them to your security controls.

  • 1.9
    critical2 days

    Implement Multi-Factor Authentication (MFA)

    Enforce MFA for all user accounts using tools like Google Authenticator or Authy to enhance account security.

  • 1.10
    high2 days

    Choose a Password Manager

    Implement a password manager like 1Password or LastPass for all employees to securely manage and store their passwords.

Phase 02

Phase 2: Development Security

10 tasks
  • 2.1
    high4 days

    Integrate Security into CI/CD Pipeline

    Automate security checks in your CI/CD pipeline using tools like Snyk or SonarQube to identify vulnerabilities early.

  • 2.2
    medium3 days

    Perform Static Code Analysis

    Use static code analysis tools to identify potential security flaws in your code before deployment.

  • 2.3
    medium4 days

    Conduct Dynamic Application Security Testing (DAST)

    Use DAST tools to test your application for vulnerabilities while it is running.

  • 2.4
    critical2 days

    Implement Input Validation

    Validate all user inputs to prevent injection attacks like SQL injection and cross-site scripting (XSS).

  • 2.5
    high2 days

    Implement Output Encoding

    Encode all outputs to prevent XSS attacks. Use appropriate encoding libraries for your programming language.

  • 2.6
    critical5 days

    Secure API Endpoints

    Implement authentication and authorization for all API endpoints to prevent unauthorized access.

  • 2.7
    high4 days

    Implement Logging and Monitoring

    Implement comprehensive logging and monitoring to detect and respond to security incidents. Use tools like ELK stack.

  • 2.8
    medium2 days

    Implement Rate Limiting

    Implement rate limiting to prevent denial-of-service (DoS) attacks and brute-force attacks.

  • 2.9
    high3 days

    Review Third-Party Libraries

    Regularly review and update third-party libraries to address known vulnerabilities.

  • 2.10
    medium2 days

    Implement Error Handling

    Implement proper error handling to prevent information leakage and denial-of-service attacks.

Phase 03

Phase 3: Infrastructure Security

10 tasks
  • 3.1
    critical5 days

    Harden Servers

    Harden your servers by disabling unnecessary services, applying security patches, and configuring firewalls.

  • 3.2
    high4 days

    Secure Network Configuration

    Configure your network to isolate critical systems and restrict access to sensitive data. Use network segmentation.

  • 3.3
    medium3 days

    Implement Intrusion Detection System (IDS)

    Implement an IDS to detect and respond to malicious activity on your network.

  • 3.4
    critical4 days

    Encrypt Data at Rest

    Encrypt sensitive data at rest using encryption keys managed by a key management system.

  • 3.5
    critical2 days

    Encrypt Data in Transit

    Encrypt data in transit using TLS/SSL to protect it from eavesdropping.

  • 3.6
    high3 days

    Implement Web Application Firewall (WAF)

    Implement a WAF like Cloudflare to protect your web application from common attacks.

  • 3.7
    high2 days

    Regularly Back Up Data

    Regularly back up your data to protect against data loss and ensure business continuity.

  • 3.8
    high3 days

    Implement Patch Management

    Implement a patch management process to ensure that all systems are up to date with the latest security patches.

  • 3.9
    medium5 days

    Conduct Regular Security Audits

    Conduct regular security audits to identify and address security vulnerabilities.

  • 3.10
    medium3 days

    Implement DDoS Protection

    Implement DDoS protection measures to mitigate denial-of-service attacks. Use services like Cloudflare or Akamai.

Phase 04

Phase 4: Compliance & Legal

10 tasks
  • 4.1
    high5 days

    Conduct a Compliance Gap Analysis

    Identify gaps in your compliance with relevant standards (e.g., SOC 2, GDPR, HIPAA).

  • 4.2
    critical4 days

    Implement Data Privacy Policies

    Develop and implement data privacy policies to comply with GDPR and other privacy regulations.

  • 4.3
    medium3 days

    Implement Data Retention Policies

    Implement data retention policies to ensure that data is stored and deleted in accordance with legal and regulatory requirements.

  • 4.4
    critical2 days

    Implement Data Breach Notification Policy

    Create a data breach notification policy to comply with data breach notification laws.

  • 4.5
    high2 weeks

    Obtain SOC 2 Certification

    Prepare for and obtain SOC 2 certification to demonstrate your commitment to security and compliance. Use tools like Vanta.

  • 4.6
    high5 days

    Conduct Penetration Testing

    Engage a third-party to conduct penetration testing to identify security vulnerabilities.

  • 4.7
    medium3 days

    Review Contracts with Third Parties

    Review contracts with third parties to ensure that they meet your security and compliance requirements.

  • 4.8
    high2 days

    Implement a Security Awareness Training Program

    Train employees on security best practices to reduce the risk of human error.

  • 4.9
    medium2 days

    Implement a Vulnerability Disclosure Policy

    Create a vulnerability disclosure policy to encourage security researchers to report vulnerabilities.

  • 4.10
    high3 days

    Review and Update Security Policies

    Regularly review and update your security policies to reflect changes in your business and the threat landscape.

Phase 05

Phase 5: Post-Launch Monitoring & Improvement

10 tasks
  • 5.1
    highOngoing

    Monitor Security Metrics

    Continuously monitor security metrics to identify and respond to security incidents. Use tools like Datadog or Splunk.

  • 5.2
    highOngoing

    Conduct Regular Vulnerability Scans

    Schedule regular vulnerability scans using tools like Snyk or Nessus to identify new vulnerabilities.

  • 5.3
    criticalAs needed

    Respond to Security Incidents

    Respond promptly and effectively to security incidents in accordance with your incident response plan.

  • 5.4
    highQuarterly

    Review and Update Security Policies

    Regularly review and update your security policies to reflect changes in your business and the threat landscape.

  • 5.5
    mediumQuarterly

    Conduct Security Awareness Training

    Conduct regular security awareness training to keep employees up to date on security best practices.

  • 5.6
    highAnnually

    Conduct Penetration Testing

    Conduct periodic penetration testing to validate the effectiveness of your security controls.

  • 5.7
    highQuarterly

    Review Access Controls

    Regularly review and update access controls to ensure that users have the appropriate level of access.

  • 5.8
    mediumOngoing

    Monitor Third-Party Risks

    Continuously monitor third-party risks to ensure that your vendors are meeting your security requirements.

  • 5.9
    mediumOngoing

    Implement Security Automation

    Automate security tasks to improve efficiency and reduce the risk of human error.

  • 5.10
    mediumOngoing

    Stay Informed About Security Threats

    Stay informed about the latest security threats and vulnerabilities by subscribing to security newsletters and attending security conferences.

Pro tips

  • Automate security tasks wherever possible to improve efficiency and reduce the risk of human error.
  • Implement a bug bounty program to encourage security researchers to report vulnerabilities.
  • Use a password manager like 1Password or LastPass to securely store and manage your passwords.
  • Train your employees on security best practices to reduce the risk of phishing attacks and other social engineering attacks.
  • Regularly review and update your security policies to reflect changes in your business and the threat landscape.

Frequently asked questions

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