Securing individual systems Course

1 hour, 46 minutes



Video - 00:13:00

Malicious software is referred to as malware and includes various types including ransomware, fileless viruses, worms, keyloggers, and trojan horses. Infected computers that periodically contact command and control servers are called bots or zombies.
Weak configurations

Video - 00:11:00

A lack of secure configurations for networks, devices, and hosts results in an increased attack surface. Default settings, especially credentials, should not be used. Deprecated security protocols such as WEP and SSL should also be avoided.
Common attacks

Video - 00:09:00

Staying up-to-date with the latest types of security attacks is form of attack mitigation. Keeping systems hardened helps protect against zero-day attacks. Software develops must adhere to secure coding practices to ensure deployed code does not contain security flaws.
Overflow attacks

Video - 00:06:00

In this episode you will learn about overflow attacks.
Password attacks

Video - 00:08:00

Username and password authentication remains common, as do related dictionary and brute-force attacks. Account lockout threshold can mitigate password attacks other than password spraying attacks.
Bots and botnets

Video - 00:06:00

Distributed Denial of Service (DDoS) attacks use collections of infected bots, or zombies in a botnet, to flood victims hosts or networks. Bots periodically contact a malicious-user controlled command and control server.
Disk RAID levels

Video - 00:10:00

Data availability, including through disk redundancy, is an aspect of IT security. There are various RAID levels that organize physical disks together to provide performance and/or fault tolerant benefits.
Securing hardware

Video - 00:11:00

All IT solutions, in the end, run on hardware somewhere. Restricting physical access to IT hardware such as through locked server rooms and encryption of data at rest provide a layer of security.
Securing endpoints

Video - 00:09:00

In the enterprise, endpoint detection and response solutions report to a centralized SIEM solution when abnormal activity, including malware, is detected on hosts and devices. Intrusion detection and prevention systems (IDS/IPS) are the engine for this type of solution and can be configured with allow/deny lists.
Securing data with encryption

Video - 00:06:00

In this episode you will learn about securing data with encrpytion.
Chapter 6 exam question review

Video - 00:02:00

Monitoring the network for intrusions is paramount to ensure a timely mitigation. This episode presents a monitoring scenario that requires the view to identify which type of attack took place.
Linux software RAID lab

Video - 00:08:00

RAID configurations can enhance the performance and availability of stored data, depending on the level of RAID used. In this demo, software RAID level 1 (disk mirroring) is configured in Linux.
Secure enclave lab in macOS

Video - 00:04:00

In this episode you will learn about secure enclave lab in macOS.
Chapter 6 Ask Me Anything (AMA)

Video - 00:02:00

Securing hosts properly should involve both a proactive and a reactive approach. This episode discusses what can be done about zero-day attacks.

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