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Encryption Types

WEP: Wired Equivalent Privacy

It is the simple encryption technique which used the 40-bit key with the 24-bit initialisation vector and utilized the RC4 algorithm for encryption. It also used CRC-32 for integrity check mechanism; because the initialisation vector was very small, there was a possibility that the IV’s getting reused. This weakness caused the algorithm to be broken easily.

WPA: Wi-Fi Protected Access

This algorithm uses 48 bit IV and is based on the 802.11i standard. The RC4 algorithm used temporal keys of 128-bit size and 64 bit MIC check which made the encryption stronger than WEP. Here 128-bit temporal keys, mixed with 48 bit IV and MAC address of the sender create the key stream to encrypt the data using RC4. Temporal keys are changed every 10,000 packets.

WPA2: Wi-fi Protected Access with EAP

This is for enterprise use with strong data protection and network access control. Here, instead of RC4, AES (Advanced encryption standard) is used for encryption with temporal keys. The key size is 128-bit keys. It makes use of centralised RADIUS server for authentication.

What is Hacking? What is Ethical Hacking? Who is an Ethical Hacker?

CIA Triangle Important characteristics of Information Security, Functionality and Usability Triangle Phases of Hacking Different types of attacks Vulnerability Assessment Penetration Testing Information Security Laws, Standards and frameworks

What is Footprinting Objectives of Footprinting Footprinting Methodology

What is Scanning? Network Scanning Scanning Methodology

Enumeration and its Types NetBIOS Enumeration SNMP Enumeration LDAP Enumeration NTP Enumeration SMTP Enumeration DNS Enumeration

Goals of System Hacking Gaining Access Privilege Escalation Executing Applications Hiding Files Covering Tracks

Introduction to Malware Threats and its Types Virus Trojans Worms Rootkits, Spyware and Ransomware How to Detect Malicious Software

Sniffing and its Types ARP and CAM Table Active Sniffing Attacks DHCP Poisoning

Social Engineering and its Attacks Computer and Mobile Based Social Engineering

Denial of Service attacks and its Types

Session Hijacking and its Types Session Hijacking Process Session Hijacking Levels Network or TCP Session Hijacking

Web Server and its Types of Attacks

Web Application and its types of Attacks Injection Flaws Cross-Site Scripting Web Services Attacks Hacking Methodology

Introduction to SQL Injection Types of SQL Injection

Introduction to Hacking Wireless Networks Encryption Types Wi-Fi Attacks

Introduction to Hacking Mobile Devices Android Types of Android Attacks IOS Mobile Device Management

Firewall IDS: Intrusion Detection System Ways of Detecting Attacks

Introduction to Cryptography PKI: Public Key Infrastructure SSL: Secure Socket Layer

Introduction to Cloud Computing Types of Cloud Computing Benefits, Threats, and Attacks on Cloud Computing Security in Cloud

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Encryption Types

WEP: Wired Equivalent Privacy

WPA: Wi-Fi Protected Access

WPA2: Wi-fi Protected Access with EAP

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