How can you design secure architecture by default?

In the realm of cloud migration, it's not uncommon for organizations to embark on the journey without a comprehensive grasp of regional jurisdictional complexities or cybersecurity regulations that could impact their data. Incorporating risk assessment and thorough Threat Modeling at the project's outset is not just prudent but cost-effective. Such proactive measures streamline migration, ensuring a seamless transition that eliminates the need for costly rollbacks. Personally, I've leveraged the STRIDE model to conduct Threat Modeling for both cloud-based and on-premises applications, consistently uncovering risks that, when addressed, optimize post-implementation operations.

Para projetar uma arquitetura segura por padrão, comece com a implementação de princípios de segurança desde o início do design. Utilize serviços e componentes seguros, adote princípios mínimos de privilégio, aplique criptografia em dados sensíveis e mantenha atualizações regulares. Implemente controle de acesso rigoroso, monitore atividades suspeitas e automatize processos de conformidade. Realize testes de segurança frequentes e incorpore uma mentalidade de segurança em todas as etapas do ciclo de vida do desenvolvimento.

Even if you should consider assessing your security requirements, there are a few concepts that should be incorporated by default: - Servers should not have direct access to the internet. If a server requires communication to external, you should have a reverse proxy (for example an internet proxy or a web server), - Segregate internal networks based on server functions and/or criticality of information (if you transaction credit card information, this should be on a complete segregated network, otherwise your entire environment is in scope for PCI) - Production should be segregated from testing and development environments - Consider concepts of "Least privilege" / "Zero-trust" before releasing access or enabling a firewall rule

Identify Critical Assets Define Data Sensitivity Assess Regulatory Compliance Evaluate Threat Landscape Determine Access Controls Identify Potential Vulnerabilities Consider Data Encryption Evaluate Incident Response Plan Assess User Authentication Methods Conduct Risk Analysis

When designing a system, consider security requirements from the outset. Recognize possible hazards and what your system can handle. Observe the law and regulations for safety. Sort the data according to significance. Limit who has access to what. To protect your data, use encryption. Write code safely and maintain updates. Create a safe network and keep an eye on it. Make a plan for contingencies. Verify the security measures of third-party partners. Inform users about security. Alert everyone to any threats. To be safe, update security measures on a regular basis.

Role-Based Access Control (RBAC) Multi-Factor Authentication (MFA) Least Privilege Principle Defense in Depth Secure by Design Zero Trust Architecture Secure Sockets Layer (SSL)/TLS Secure File Transfer Protocol (SFTP) Network Segmentation Continuous Monitoring

Firewall Configuration Antivirus Software Deployment DLP, CASB implementation Intrusion Detection Systems (IDS) Data Encryption Implementation Access Control Policies Regular Security Audits Incident Response Plan Execution Security Patch Management Network Segmentation Security Information and Event Management (SIEM) Integration

Implement security controls based on the 3 mentioned types: - Preventive: Firewalls, IPS, Proxy, Anti-Virus/EDR - Detective: Logs and SIEM, Incident Response team - Corrective: Back-ups should be enabled by default unless there's no impact if a specific information is lost. Make a Business Impact Assessment and identify key assets in your environment and consider redundancy (back-up site) to minimize business impact on an event of loss (environmental, hacking, etc.)

Testing is incredibly important. You can start with Vulnerability scans to identify weak protocols or even vulnerable network devices. Increase your testing capabilities by simulating phishing attacks, test back-up recovery, disaster recovery, incident response, and bring an external entity to perform a penetration testing.

Constant vigilance is the lifeblood of secure architecture. Implement robust monitoring systems that go beyond just detecting breaches. Track access anomalies, log unusual data movement, and monitor system health for signs of compromise. Use analytics to correlate disparate events and identify emerging threats before they escalate. Proactive alerting with clear escalation paths ensures rapid response, while dashboards that visualize security posture inform strategic decisions. Remember, monitoring isn't just about reacting, it's about predicting and preventing, turning potential breaches into mere blips on the radar.

To design secure architecture by default, start by incorporating security principles into the initial design phase, ensuring that all components adhere to best security practices like least privilege and defense in depth. Utilize secure coding practices and automated security testing tools during development to identify and mitigate vulnerabilities early on. Regularly update and patch the architecture, and employ continuous monitoring to quickly detect and respond to any security threats or anomalies.

Considerando uma arquitetura segura por padrão, é vital incorporar práticas de segregação de rede, implementar backups regulares e criar mecanismos de detecção e resposta a incidentes. Adote uma abordagem de "defense-in-depth", diversificando as camadas de segurança. Facilite a educação e conscientização da equipe sobre boas práticas de segurança, e promova a revisão e atualização contínua das políticas de segurança da informação.