What is System Hacking? | System Hacking | Cyber Security

What is System Hacking?

Introduction:

System hacking, in its simplest terms, is the unauthorized access to a computer system.  This access can be gained through various techniques, often exploiting vulnerabilities in the system’s software or security configurations.  Hackers, both malicious and ethical, use these techniques to gain control over systems for a variety of reasons, ranging from financial gain to espionage.

Concepts of System Hacking

1. Vulnerability

A vulnerability that an attacker could take advantage of in a network, program, or system.

Types of Vulnerabilities:

2. Exploit

A piece of software, script, or method that exploits a vulnerability.

How Exploits Work:

3. Payload

The data or malicious code that is sent to a system following a successful attack.

Types of Payloads:

4. Rootkit

A malicious software kind that gives an attacker continuous, unapproved access to a machine.

How Rootkits Work:

Steps to Perform System Hacking

The usual steps in system hacking are broken down as follows:

1. Reconnaissance:

2. Scanning:

3. Enumeration:

4. Vulnerability Analysis:

   5. System Hacking:

Types of Authentication

• Something You Know: Passwords, PINs, or security questions.
• Something You Have: Physical tokens, smart cards, or mobile devices.
• Something You Are: Biometric authentication, such as fingerprint or facial recognition.

Types of Password Crack Methodologies

1. Offline Attack:
   1. Dictionary Attack: Attempting to create passwords using popular words and phrases.
   2. Brute Force Attack: Testing each and every character combination.
   3. Hybrid Attack: Merging brute force and dictionary attacks.
   4. Rainbow Table Attack: Hash tables that have already been calculated to speed up password cracking.
2. Active Online Attack:
   1. Credential Stuffing: Logging into several accounts with credentials that have been stolen.
   2. Phishing: Tricking people into disclosing their passwords.
   3. Keylogging: Capturing passwords by recording keystrokes.
3. Passive Online Attack:
   1. Packet Sniffing: Intercepting network data to obtain plaintext password transmissions.
   2. Man-in-the-Middle Attack: Intercepting a conversation in order to obtain private information.
4. Non-Electronic Attack:
   1. Social Engineering: Manipulating others in order to obtain private information.
   2. Physical Access: Gaining illegal access to real estate in order to install malware or steal data.

Steganography

The art of concealing confidential secrets within other communications or media is known as steganography. Steganography can be used by hackers to hide dangerous payloads in files that appear to be innocent, making them harder to find and examine.

People and organizations can strengthen their defenses against cyberattacks by comprehending these ideas and methods. To protect sensitive data, it’s critical to keep up with the most recent threats and put strong security measures in place.

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