Course description
This course provides an introductory overview of various information security technologies and tools. It covers network devices (routers, switches, proxies) and their security features, compares different types of firewalls and intrusion detection and prevention systems, and explains other secure networking concepts, such as Virtual Private Networks (VPN) and Network Access Control (NAC). Other topics covered in this course include Security Information and Event Management (SIEM) solutions, Data Loss Prevention (DLP) and other security technologies, such as secure mail and media gateways and Hardware Security Modules (HSM).
Syllabus
Firewalls
Video — 00:06:26
VPN Concepts
Video — 00:04:31
IPsec
Video — 00:03:25
Intrusion Detection and Prevention
Video — 00:07:24
Network Devices
Video — 00:13:45
SIEM
Video — 00:08:20
DLP
Video — 00:04:53
NAC
Video — 00:05:13
Security Technologies
Video — 00:06:26
Security+ – Secure and Insecure Protocols
Lab — 00:30:00
Security by design is an approach to software and hardware development that aims to construct systems free of vulnerabilities by implementing best practices and safeguards. However, it is relatively new as a notion, and prior to it, the aim of software developers was more oriented in functionality than security. The same principle can be seen in protocols such as HTTP, FTP, or POP. Because they apply no data encryption, these protocols are often referred to as clear-text protocols. Anyone who is intercepting the traffic between two entities that communicate using clear-text protocols can see the data flowing through the network in plain text. These protocols gave rise to attacks such as Man-in-the-middle (a malicious actor impersonating legitimate users) and sensitive data exposure. To cover the security holes of clear-text protocols, versions that applied encryption to data were developed.
Remote Access (telnet vs. SSH)
Lab — 00:11:00
This lab compares two commonly used methods of remote access, telnet and Secure Shell (SSH). You will go through steps of connecting to a remote host using both methods and try capturing login credentials.
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