Attack Types

Denial of Service (DoS)

Flooding a server with requests from one computer.

Distributed Denial of Service (DDoS)

Flooding a server with requests from many computers at the same time.

VLAN Hopping

When an attacker makes an attempt to access VLANs that they aren’t authorized to access. Weakens the isolation between VLANs.

MAC Flooding

Overwhelming a switch by flooding its MAC address table with fraudulent entries.

Fail Open Mode

When a switch turns into a hub, forwarding traffic to every port.

ARP Spoofing

When a device impersonates another devices in order to intercept & steal data.

Man-In-The-Middle (MitM)

When an unauthorized party secretly intercepts, reads, or changes messages and data passed between two people or devices who believe they are talking privately to each other.

DNS Poisoning

An attack that changes ___ data/records to send devices or traffic to alternate, unauthorized destinations.

Rogue DHCP

An unauthorized ____ server that can interfere with a network by doing things like duplicating IP addresses.

Rogue AP

An AP placed on a network by an unauthorized party to steal data when a user joins that AP.

Evil-Twin

When a rogue ____ broadcasts the same SSID as a legit ____.

Dumpster Diving

The retrieval of items that were discarded in the trash.

Shoulder Surfing

When someone takes personal information, such as login credentials, by watching victims enter it.

Phishing

When bad actors attempt to trick victims into providing private information.

Malware

Software that is intended to damage or take advantage of systems in a network.

Viruses

Programs that attach themselves to clean files or programs and require a user to run them to spread.

Worms

Stand-alone threats that self-replicate and travel across networks independently without needing human action.

Trojan Horses

Disguise themselves as safe, useful software to trick users into downloading them.

Ransomware

Locks or encrypts user files and demands a cash or crypto payment to unlock them.

Rootkits

Hide deep inside an OS to give hackers remote, undetected administrator access.

Botnets

Networks of infected computers controlled together by a cybercriminal to launch larger attacks.

Spyware

Secretly tracks a victim’s online activity, passwords, and personal details.

Keyloggers

A form of spyware that records every key that is pressed on a keyboard.

Adware

Floods a victim’s screen with unwanted pop-up ads and tracks their habits to target more ads.

Tailgating

A physical breach where a person follows another through a door to a restricted area.