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Certified Ethical Hacker learning material. Chapter 09: Social Engineering. Basic Social engineering is an act of stealing information from humans. No interaction with target system or network Non-technical attack Convincing the target to reveal inf...

Certified Ethical Hacker learning material. Chapter 01: Introduction. Essential Terminology Hack Value: A notion among hackers that something is worth doing or is interesting. Vulnerability: Existence of a weakness, design, or implementation error that can ...

Certified Ethical Hacker learning material. Chapter 02: Footprinting. Terminology Footprinting: collect information about a target network. Passive Footprinting: collect without direct interaction. Active Footprinting: collect with direct interaction. Soc...

Certified Ethical Hacker learning material. Chapter 03: Scanning Networks. Protocols These definitions is must-know ! TCP (Transmission Control Protocol) UDP (User Datagram Protocol) ARP ICMP Ping Sweep: mass ICMP echo (ping) message SSDP DHCP ...

Certified Ethical Hacker learning material. Chapter 04: Enumeration.  This may cross legal boundaries, you must have proper permission to perform these actions. Basic initiates active connection with the target direct queries are generated ...

Certified Ethical Hacker learning material. Chapter 05: Vulnerability Analysis. Vulnerability Assessment Vulnerability Assessment is a process of examination, discovery, and identification of a system and applications security measures and weakness.It helps ...

Certified Ethical Hacker learning material. Chapter 06: System Hacking. Methodology Cracking Password Escalating Privileges Executing Applications Hiding Files Covering Tracks Goals Bypass the access control Gain access to the system...

Certified Ethical Hacker learning material. Chapter 07: Malware Threats. Basic Malware = Malicious SoftwareMalware defines a wide variety of potentially harmful software. Malware propagation ways Free software (crack files, ...) File sharing service...

Certified Ethical Hacker learning material. Chapter 08: Sniffing. Basic With sniffing, you can monitor all sorts of traffic either protected or unprotected.Sniffing is the process pf scanning and monitoring of the captured data like DNS traffic, web traffic ...

Certified Ethical Hacker learning material. Chapter 10: Denial of Service. Basic Denial-of-Service is type of attack on which service offered by a system or a network is denied.Service may either be denied, reduce the functionality or prevent the access. Sy...

Certified Ethical Hacker learning material. Chapter 13: Hacking Web Servers. Web Server Web Servers are the programs that are used for hosting services. Web Servers are deployed on a separate web server hardware or installed on a host as a program. It deli...

Certified Ethical Hacker learning material. Chapter 14: Hacking Web Applications. Terminology Web Applications are that applications that is running on a remote application server and available for clients over the internet. Server Administrators are respon...

Certified Ethical Hacker learning material. Chapter 15: SQL Injection. Terminology The intention of SQL injection is to reveal or manipulate sensitive information from the database by injecting commands into existing queries. Bypassing authentication ...

Certified Ethical Hacker learning material. Chapter 16: Hacking Wireless Networks. Terms Wireless network is a computer network that uses wireless data connection between networknodes. Access Point: Access Point (AP) or Wireless Access Point (WAP) is a hard...

Certified Ethical Hacker learning material. Chapter 17: Hacking Mobile Platforms. Mobile Platform Attack Vectors OWASP Top 10 Mobile Threats OWASP Mobile Security Project maintain a listof the most common mobile security risks. Top Ten (2014) Weak S...

Certified Ethical Hacker learning material. Chapter 18: IoT Hacking. Basic The Internet of things (IoT) is the network of devices, vehicles, and home appliances that contain electronics, software, actuators, and connectivity which allows these things to conn...

Certified Ethical Hacker learning material. Chapter 19: Cloud Computing. Basic Cloud computing is shared pools of configurable computer system resources and higher-levelservices that can be rapidly provisioned with minimal management effort, often over theIn...

Certified Ethical Hacker learning material. Chapter 20: Cryptography. Terms Clear text / plaintext: the unencrypted data Cipher text: the encrypted data Key: specifies the transformation of data for encryption / decryption ("key" is not synonymous wi...

Nginx configuration tips and examples. SSL Let's Encrypt apt install certbot python-certbot-nginx certbot certonly --nginx -d example.com --rsa-key-size 4096 Self signed Generate a self-signed certificate...

Stateful firewall In computing, a stateful firewall is a network firewall that tracks the operating state and characteristics of network connections traversing it. The firewall is configured to distinguish legitimate network packets for different types of con...