Secure Software Deployment & Operations | Test-2
This section focuses on evaluating the security practices involved in deploying and operating applications. Tests include verifying secure configuration of environments, ensuring proper access controls, monitoring for vulnerabilities, and enforcing secure deployment pipelines. It also covers assessing logging, incident response processes, and the use of automation tools to maintain security throughout the application’s lifecycle in production environments.
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1. Choose the CORRECT term. Releasing a part of software to address a recently reported vulnerability without adding new features or changing hardware configuration is known as:
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2. When promoting code to production and UAT environments, it is recommended that the process should not be performed by individuals who have authored any part of the code. This practice aims to:
Preventing individuals who authored the code from promoting it to production and UAT environments mitigates potential conflicts of interest and enhances objectivity. This practice ensures a more impartial and thorough deployment process, reducing the risk of oversight or bias related to the code’s development. It promotes a separation of duties for a more robust and secure software deployment.
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3. What constitutes a denial-of-service attack?
A denial-of-service (DoS) attack occurs when malicious actors overwhelm a system, network, or service, rendering it inaccessible or unusable for legitimate users. This is typically achieved by flooding the target with excessive traffic, exploiting vulnerabilities, or causing resource exhaustion, disrupting normal functionality.
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4. Why is it important to regularly update and patch software during operations?
Regular updates and patches are essential to address known vulnerabilities, enhancing the software’s security posture. This practice helps prevent exploitation by malicious actors who target outdated software with known weaknesses. It ensures a proactive approach to maintaining a secure and resilient operational environment.
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5. Which of the following is a commonly used message logging standard? The purpose of this protocol is to transport event messages only.
The SYSLOG standard, short for System Logging Protocol, defines a standard for message logging in computer networks. It allows various devices, applications, and systems to generate and transmit event messages to a centralized logging server. SYSLOG messages include information about events, errors, and system activities, facilitating centralized monitoring, analysis, and troubleshooting. The standard operates over User Datagram Protocol (UDP) on port 514 and is widely used for logging and auditing purposes in IT environments.
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6. In a local area network, which of the following transport layer technologies has the BEST ability to prevent replay attacks and session hijacking?
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7. Why is continuous monitoring crucial in secure software operations?
Continuous monitoring is crucial in secure software operations as it allows real-time visibility into the system’s security posture, detecting and responding to potential threats promptly. It enables the identification of vulnerabilities, security incidents, or abnormal activities, fostering a proactive approach to cybersecurity. Through continuous monitoring, organizations can ensure the ongoing effectiveness of security measures, adapt to evolving threats, and maintain a resilient operational environment.
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8. Which of the following describes a typical vulnerability in Service Oriented Architectures (SOA)?
XML denial of service issues in Service Oriented Architectures (SOA) involve exploiting vulnerabilities in XML processing, causing resource exhaustion and system unavailability. Attackers may use techniques like Entity Expansion, leading to excessive memory consumption during XML parsing, affecting the availability of services. Mitigation strategies include input validation, proper XML parsing configurations, and rate limiting to prevent abuse and maintain the resilience of SOA environments. Addressing these vulnerabilities is crucial for ensuring the reliability and security of services in an SOA.
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9. Why is it crucial to conduct regular penetration testing during secure software operations?
Regular penetration testing during secure software operations is crucial to proactively identify and address potential vulnerabilities, weaknesses, and security gaps in a system, helping organizations enhance their overall security posture and mitigate the risk of cyber threats.
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10. Which of the following mechanisms can be used to avoid detection by an Intrusion detection system (IDS)?
Encryption, as a mechanism to avoid detection by an Intrusion Detection System (IDS), secures communication by making the content unreadable to the IDS. This may hinder the IDS from detecting specific patterns or signatures in the encrypted traffic. However, advanced IDS systems may employ SSL/TLS inspection to analyze encrypted traffic for potential threats
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11. How does the use of “Feature Flags” or “Feature Toggles” contribute to flexible and secure software deployment?
The use of “Feature Flags” or “Feature Toggles” contributes to flexible and secure software deployment by enabling developers to control the activation or deactivation of specific features at runtime. This flexibility allows for phased or controlled rollouts of new features, providing an opportunity to monitor and address issues before a full release. From a security perspective, feature toggles can act as a kill switch, instantly disabling problematic functionalities, reducing the impact of security incidents, and facilitating quick response and mitigation strategies without the need for a new deployment.
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12. What is the primary difference between DoS and DDoS attacks?
The primary difference lies in the number of attackers\attack systems involved. A DoS attack is carried out by a single source, overwhelming a target system’s resources. On the other hand, a DDoS attack involves multiple coordinated attackers from different sources, intensifying the scale and impact on the target’s ability to function.
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13. What role does DevSecOps play in the integration of security into the software development and deployment processes?
DevSecOps plays a vital role in integrating security into the software development and deployment processes by fostering collaboration among development, security, and operations teams. It emphasizes the integration of security practices at every stage of the development lifecycle, promoting automation, continuous monitoring, and rapid response to vulnerabilities. This approach ensures that security is not a separate phase but an integral part of the entire software delivery pipeline, enhancing overall resilience and reducing the risk of security breaches.
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14. In the context of secure software development, why is it recommended to isolate UAT environments from the production network?
Isolating development environments from the production network enhances security by limiting access to authorized development and test groups. This prevents potential attackers from exploiting vulnerabilities in less securely configured development environments to discover weaknesses or gain unauthorized access to the production network. The practice ensures a more secure development process and protects the integrity of the production environment.
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