Hacker and Intruders
Type of threat: It arise from individuals working outside of an organization.
External threats
What is Malicious Software?
Software that damage a system, destroy data, and/or deny access to networks, systems, or services
What do Antivirus Software do?
relies on known “virus signatures” in order to find and prevent new viruses from infecting the computer
What is a Firewall?
prevents undesirable traffic from entering protected areas of the network
Type of Threat: It occurs when someone has authorized access to the network through a user account or has physical access to the network equipment.
Internal threats
A program that spreads by modifying other programs or files
A Virus
Protects hosts by identifying spam and performing an action, such as placing it into a junk folder or deleting it
Antispam Software
What type of translation do firewalls often preform?
Network Address Translation
What do zombie computers do?
They contact servers managed by the botnet creator and gives the attacker control.
Similar to a virus, but unlike a virus does not need to attach itself to an existing program.
What is the application is meant to detected and remove cookies and adware
Antispyware
What is DMZ?
refers to an area of the network that is accessible to both internal and external users
What do attackers need to attack other computers?
An attacker uses a DoS attack to perform these functions
A program that is written to appear like a legitimate program, when in fact it is an attack tool.
Trojan Horse
What is the purpose of Patches or Updates?
To add specific code to programs to remove specific problem or additional functionality to the software package
What is Port forwarding?
A rule-based method of directing traffic between devices on separate networks
When was the first hacker attack?
26 June 1989
What are the four the most common security attack?
Denial-of-service
distributed denial-of-service
Man-in-the-middle
Phishing
What are the top three most protected countries against cyber attacks?
United States
Canada
Australia/Malaysia
What is Port triggering?
It allows the router to temporarily forward data through inbound TCP or UDP ports to a specific device