D385 Software Security and Testing
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Free D385 Software Security and Testing Questions
1. What role would data loss prevention software have in a privacy program?
- Prevention of all data breaches caused through human error by employees.
- Protection from an external hacker trying to infiltrate an organization's networks.
- Training for staff on data governance and proper data classification procedures.
- Monitoring of certain types of personal data disclosures to outside entities.
Explanation
In a privacy program, Data Loss Prevention (DLP) software plays a key role in monitoring and controlling the disclosure of sensitive or personal data outside the organization. It helps detect and prevent unauthorized transmission of confidential information via email, cloud storage, or removable media. By enforcing data handling rules, DLP ensures compliance with privacy regulations and minimizes risks of accidental or malicious data exposure.
2. What is the primary function of firewall software in network security?
- To encrypt sensitive data during transmission
- To monitor and regulate network traffic based on established security policies
- To detect and remove malware from devices
- To manage user access rights within a network
Explanation
The primary function of firewall software is to monitor and regulate network traffic based on predefined security rules. It acts as a barrier between trusted internal networks and untrusted external ones, allowing or blocking traffic depending on policy configurations. Firewalls help prevent unauthorized access, block malicious traffic, and safeguard systems from external threats while permitting legitimate communication.
3. Which Python function is prone to a potential code injection attack?
- eval()
- type()
- print()
- append()
Explanation
The
eval() function in Python executes a string as Python code. When user input is passed to eval() without proper sanitization, attackers can inject malicious commands or code that the interpreter will execute. This creates a major security risk, as arbitrary code execution can compromise the entire system or application. For this reason, developers are strongly advised to avoid using eval() with untrusted input.
4. You need to monitor all traffic on your local network for suspicious activity and receive notifications when an attack is occurring. Which tool would allow you to accomplish this goal?
- Host based IDS
- Proxy
- Network based IDS
- Firewall
Explanation
A Network-based Intrusion Detection System (NIDS) is specifically designed to monitor all traffic on a network for suspicious or malicious activity. It analyzes packets in real time, identifies attack signatures or anomalies, and alerts administrators when potential threats are detected. NIDS is ideal for organizations needing comprehensive visibility into network-wide activity and early warning of possible intrusions.
5. What is the primary function of Data Loss Prevention (DLP) software in cybersecurity?
- To encrypt sensitive data during transmission
- To monitor network traffic for unauthorized access
- To identify and prevent unauthorized data transfers
- To provide multi-factor authentication for user access
Explanation
Data Loss Prevention (DLP) software is designed to identify, monitor, and prevent the unauthorized transfer or leakage of sensitive information outside an organization. It scans emails, network traffic, and storage systems for confidential data such as personal information or intellectual property, ensuring that it is not shared inappropriately. DLP solutions help organizations comply with data protection regulations and protect against insider threats.
6. What is the primary function of a Network-based Intrusion Detection System (NIDS)?
- To encrypt sensitive data during transmission
- To monitor network traffic for signs of unauthorized access
- To manage user identities and access rights
- To provide real-time scanning for malware
Explanation
A Network-based Intrusion Detection System (NIDS) is designed to monitor and analyze network traffic for suspicious patterns that may indicate unauthorized access, cyberattacks, or malicious activity. It inspects data packets traveling across the network in real time and alerts administrators if it detects anomalies or known attack signatures. NIDS helps organizations identify and respond to threats before they compromise systems or data.
7. What is the primary function of real-time scanning in cybersecurity software?
- To perform scheduled scans of the system
- To actively monitor and eliminate malware as it appears
- To analyze network traffic for unauthorized access
- To encrypt sensitive data before transmission
Explanation
The primary function of real-time scanning in cybersecurity software is to actively monitor and eliminate malware as it appears on the system. This means the antivirus or endpoint protection software continuously checks files, downloads, and processes as they are accessed or created, immediately detecting and blocking malicious activity to prevent infection or damage.
8.
import requests
urls = open("websites.txt", "r")
for url in urls:
url = url.strip()
req = requests.get(url)
print(url, 'report')
try:
transport_security =
req.headers['Strict-Transport-Security']
except:
print('HSTS header not set properly')
- Man-in-the-middle
- Cross-site scripting
- Denial of service
- Code injection
Explanation
The script checks whether the HTTP Strict Transport Security (HSTS) header is properly configured on each website. If the HSTS header is missing, users are vulnerable to Man-in-the-Middle (MITM) attacks because browsers may connect using insecure HTTP instead of HTTPS. HSTS ensures all communications are encrypted, preventing interception or tampering by malicious parties. The absence of HSTS reveals susceptibility to MITM attacks.
9. A secure gateway and is a part of a computer system or network that is designed to block unauthorized access while permitting authorized communications.
- Firewall
- Physical safeguard
- Intrusion detection
- Access controls
- Authorization
Explanation
A firewall acts as a secure gateway between internal and external networks. It filters incoming and outgoing traffic based on predefined security rules, blocking unauthorized access while allowing legitimate communication. Firewalls can be hardware- or software-based and are a fundamental part of network defense, protecting systems from external threats such as hackers and malware.
10. What is the purpose of heuristic analysis?
- to analyze virus signatures
- to add virus signatures to the virus database
- to detect virus-like commands or behaviors
- to discover the time when malware might deliver its payload
Explanation
Heuristic analysis is a technique used by antivirus software to detect virus-like commands or behaviors that may indicate the presence of previously unknown or modified malware. Instead of relying solely on signature databases, heuristic analysis evaluates code structure and behavior to identify suspicious patterns, helping to detect emerging or polymorphic threats that have not yet been cataloged.
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