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| Certification Vendor: | CertiProf |
|---|---|
| Exam Name: | Ethical Hacking Professional Certification Exam |
| Exam Number: | CEHPC |
| Available Languages: | English, Spanish |
| Passing Score: | 80% (32/40) |
| Real Exam Qty: | 40 |
| Related Certifications: | Cybersecurity Foundation Professional Certification |
| Exam Price: | USD $250.00 |
| Exam Duration: | 60 minutes |
| Exam Format: | Multiple Choice |
| Certificate Validity Period: | 3 years |
| Recommended Training: | CertiProf Official Training Resources |
| Exam Registration: | CertiProf Official Registration |
| Sample Questions: | CertiProf CEHPC Sample Questions |
| Exam Way: | Online proctored exam |
| Pre Condition: | No mandatory prerequisites; recommended for IT professionals, cybersecurity analysts, system administrators and security consultants |
| Official Syllabus URL: | https://certiprof.com/products/ethical-hacking-professional-certification-cehpc |
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質問 # 63
What is a "backdoor" in terms of computer security?
正解：B
解説：
A "backdoor" is a method, often hidden or undocumented, of bypassing normal authentication or encryption in a computer system, cryptosystem, or algorithm. In the realm of managing information security threats, backdoors represent one of the most dangerous risks because they provide persistent, unauthorized access to a system without the knowledge of the administrators. Once a backdoor is established, the attacker can return to the system at any time, even if the original vulnerability they used to gain entry-such as a weak password or a software bug-has been patched.
Backdoors can be implemented in several ways. Some are "Software Backdoors," where a developer might intentionally (or accidentally) leave a hardcoded username and password in the code for debugging purposes.
Others are "Malicious Backdoors" installed by a Trojan or a rootkit after a system has been compromised. For example, a hacker might install a "Reverse Shell" that periodically "calls home" to the attacker's server, asking for commands. This effectively creates a secret entrance that bypasses the firewall's inbound rules.
Managing this threat requires a multi-layered approach. "Integrity Monitoring" tools are essential; they alert administrators if system files or binaries are modified, which could indicate the presence of a backdoor.
Additionally, "Egress Filtering" helps detect backdoors that attempt to communicate with an external Command and Control (C2) server. From an ethical hacking perspective, identifying backdoors is a key part of "Post-Exploitation." During a penetration test, the goal is not just to get in, but to show how an attacker could maintain their presence. By understanding that a backdoor is specifically designed to circumvent standard security checks, professionals can better implement "Zero Trust" architectures and regular auditing to ensure that the only way into a system is through the front door, with full authentication.
質問 # 64
What is the most vulnerable within an organization?
正解：B
解説：
In the field of cybersecurity, it is a well-established axiom thatindividuals(the human element) represent the most vulnerable link in an organization's security chain. While a company can invest millions of dollars in sophisticated firewalls, encryption, and endpoint protection, these technical controls can be completely bypassed if a human is manipulated into granting access.
The vulnerability of individuals stems from several psychological factors:
* Trust and Cooperation: Humans are naturally inclined to be helpful, which attackers exploit through social engineering.
* Lack of Awareness: Employees who are not trained in security hygiene may use weak passwords, reuse credentials across multiple sites, or fail to recognize phishing attempts.
* Fatigue and Urgency: Attackers often create a false sense of crisis (e.g., "Your account will be deleted in 1 hour") to trick users into bypassing their better judgment.
* Physical Security Risks: Common vulnerabilities include "tailgating" (following someone through a secure door) or leaving sensitive documents on a desk.
Ethical hacking documents emphasize that a "Defense in Depth" strategy must include the "Human Firewall." This involves continuous security awareness training, phishing simulations, and clearAcceptable Use Policies (AUP). Organizations that ignore the human element often find themselves victims of ransomware or data breaches despite having state-of-the-art technical defenses. Strengthening the human link through education is the most effective way to reduce the overall attack surface of an organization.
質問 # 65
What is ransomware?
正解：A
解説：
Ransomware is one of the most destructive and prevalent information security threats facing organizations today. It is a specific type of malicious software (malware) designed to encrypt a victim's files, making them inaccessible to the legitimate user. Once the encryption process is complete, the software displays a notification-often referred to as a "ransom note"-demanding a payment, usually in an untraceable cryptocurrency like Bitcoin, in exchange for the decryption key required to release the files.
Managing the threat of ransomware requires a comprehensive understanding of its delivery mechanisms. Most infections occur through phishing emails containing malicious attachments or links, or by exploiting vulnerabilities in exposed remote access services like RDP (Remote Desktop Protocol). Once the ransomware is executed, it often attempts to spread laterally through the network to encrypt as many machines and backups as possible, maximizing the pressure on the organization to pay.
From an ethical hacking standpoint, the defense against ransomware is focused on "Resilience and Recovery." Since technical controls can sometimes be bypassed, having an "air-gapped" or offline backup strategy is the only 100% effective way to recover data without paying the attackers. Furthermore, security professionals emphasize the importance of "Endpoint Detection and Response" (EDR) tools that can identify the rapid, unauthorized encryption of files and kill the malicious process before it completes. Ransomware represents a shift in cybercrime from data theft to data "kidnapping," highlighting that even if data isn't stolen, its unavailability can cause catastrophic operational failure. Organizations must view ransomware not just as a virus, but as a business continuity threat that demands rigorous patching, user training, and robust incident response planning.
質問 # 66
What is malware?
正解：A
解説：
Malware, short for "malicious software," is a broad category of software specifically engineered to perform unauthorized and often harmful actions on a computer system, network, or device. Its primary characteristic is that it operateswithout the owner's consent. Malware is the primary tool used by cybercriminals to achieve various objectives, ranging from financial gain to corporate espionage and simple disruption.
Malware encompasses several distinct types, each with its own method of infection and goal:
* Viruses and Worms: Designed to spread from one file or computer to another, often damaging data or consuming network bandwidth along the way.
* Trojan Horses: Programs that disguise themselves as legitimate software to trick users into installing them, only to reveal a malicious "payload" once active.
* Ransomware: Encrypts the victim's data and demands payment for the decryption key.
* Spyware and Stealers: Secretly monitor user activity or steal sensitive information like passwords and credit card numbers.
* Rootkits: Specialized malware designed to provide high-level "root" access while remaining hidden from the operating system and antivirus software.
Ethical hackers study malware to understand how to defend against it. This involves analyzing "Attack Vectors" (how malware enters a system), "Persistence Mechanisms" (how it stays there), and "Command and Control" (how it communicates with the attacker). Protecting against malware requires a multi-layered defense strategy, including updated antivirus software, strictAcceptable Use Policies (AUP), and regular vulnerability scanning to close the gaps that malware exploits to infect systems.
質問 # 67
What is an Acceptable Use Policy?
正解：C
解説：
An Acceptable Use Policy (AUP) is a fundamental administrative security control that outlines the rules and constraints an employee or user must agree to for access to a corporate network or its assets. It serves as a formal contract that defines how technology resources-including computers, internet access, and email- should be used within the organization. The primary goal of an AUP is to protect the organization's integrity and minimize risk by preventing illegal or damaging actions, such as visiting malicious websites, installing unauthorized software, or engaging in online harassment using company equipment.
From an ethical hacking perspective, an AUP is a critical element of "Governance and Compliance." When a penetration tester evaluates an organization, they often review the AUP to ensure that users are legally bound to security standards. This policy provides the legal and ethical framework for monitoring user behavior and enforcing disciplinary actions if a breach occurs. It acts as a primary defense against insider threats by clearly stating what constitutes "unacceptable" behavior, such as sharing passwords or bypassing security protocols.
A well-crafted AUP includes specific sections on data privacy, prohibited activities, and the organization's right to monitor communications. By mandating that all employees sign this policy, the organization establishes a "security-first" culture. In the event of a security incident, the AUP serves as a vital document for legal teams to prove that the user was aware of their responsibilities. Effective information security management relies on these controls to bridge the gap between technical defenses and human behavior, ensuring that the human element is guided by clear, documented expectations.
質問 # 68
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