The correct platform used to check whether an email address has been involved in known data breaches is
https://haveibeenpwned.com
, making option B the correct answer. This service aggregates data from publicly disclosed breaches and allows users to verify if their credentials have been exposed.
Understanding data breaches is a key part of current security trends, as credential leaks remain one of the most common causes of account compromise. Ethical hackers, security professionals, and even everyday users use such services to assess exposure and take corrective action, such as changing passwords or enabling multi-factor authentication.
Option A, Facebook, is a social media platform and does not provide breach-checking services. Option C is unrelated and does not serve any cybersecurity or breach-monitoring function.
From an ethical hacking standpoint, breach-awareness tools help reinforce proactive defense strategies. They raise awareness of credential reuse risks and demonstrate how leaked data can be weaponized in phishing, credential stuffing, and social engineering attacks.
Monitoring breach exposure is not hacking; it is a defensive security measure. Ethical hackers use this knowledge to educate organizations on password hygiene, the importance of unique credentials, and the implementation of identity protection controls. Staying informed about breaches is essential in modern cybersecurity environments.

Yes, it is possible to clone a web page, making option B the correct answer. Web page cloning involves copying the structure, appearance, and content of a legitimate website, often for malicious purposes such as phishing or credential harvesting.
Attackers use cloning to trick users into believing they are interacting with a trusted site. Ethical hackers study this technique to demonstrate the risks of social engineering and help organizations implement defenses such as user education, domain monitoring, and email security controls.
Cloning does not typically require exploiting vulnerabilities; instead, it abuses publicly available content and human trust. This makes it a powerful and common attack vector.
Understanding web page cloning helps organizations recognize phishing threats and protect users from impersonation attacks. Ethical hackers use controlled demonstrations to raise awareness and improve detection capabilities.

SQL Injection (SQLi) is one of the most prevalent and damaging information security threats targeting web applications. Its main purpose is to exploit a database by manipulating Structured Query Language (SQL) commands through user-supplied input. This occurs when an application fails to properly filter or "sanitize" data entered into forms, URL parameters, or cookies, allowing an attacker to "inject" their own SQL code into the query that the application sends to the back-end database.
When successful, a SQL injection attack can have catastrophic consequences for an organization's data integrity and confidentiality. An attacker can bypass authentication to log in as an administrator without a password, view sensitive user data, modify or delete database records, and in some cases, gain administrative control over the entire database server. A classic example is the ' OR 1=1 -- injection, which forces a query to return "true" regardless of the credentials provided, effectively opening the door to the system.
Managing the threat of SQLi is a top priority for web security. The most effective defense is the use of
"Parameterized Queries" (also known as prepared statements), which ensure that the database treats user input as data rather than executable code. Additionally, implementing "Input Validation" and the "Principle of Least Privilege" for database accounts helps mitigate the potential damage. From an ethical hacking standpoint, identifying SQLi vulnerabilities is a core component of vulnerability scanning and manual testing. Because databases often hold an organization's most valuable assets-including customer identities and financial records-protecting them from injection attacks is a non-negotiable aspect of modern information security management.

Google Dorking, also known as Google Hacking, is a passive reconnaissance technique that involves using advanced search operators to filter through the vast index of the Google search engine. It is important to clarify that Google Dorks do not "hack" computers or websites themselves; rather, they utilize the search engine's indexing power to find information that has already been made public-often inadvertently. By using specific strings like filetype:log, intitle:"index of", or inurl:admin, a researcher can locate sensitive directories, exposed log files, or configuration pages that were never intended to be indexed by search bots.
From a threat management perspective, Google Dorking is a double-edged sword. Ethical hackers use it during the information-gathering phase of a penetration test to see what an organization is leaking to the public web. This might include SQL error messages, which can reveal database structures, or publicly accessible backup files containing sensitive credentials. However, the tool itself is not a "backdoor" or an exploit; it is a sophisticated way of querying a database of cached website content.
If a computer or server appears in a Google Dork result, it typically means the administrator failed to configure the robots.txt file or server permissions correctly, allowing Google's crawlers to document the internal structure. Managing this threat involves regular "dorking" of one's own domain to ensure that no sensitive paths or files are visible to the public. Understanding that Google Dorks are simply advanced search queries helps security professionals realize that the "leak" occurs at the server configuration level, not within the search engine itself. Consequently, remediation focuses on tightening access controls and ensuring that internal-only resources are not reachable or indexable by external search engines.

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.