Malware Basics
What is a virus?
Malware that attaches to files and spreads when the file is opened.
What is a denial of service (DoS) attack?
An attack that makes a website or service stop working by flooding it.
What is MAC spoofing?
Pretending to be another device by faking a MAC address.
What are patches or updates?
Fixes that help stop worms and other attacks.
What is a worm?
Malware that spreads on its own across a network.
What is a distributed denial of service (DDoS) attack?
A bigger version of a DoS attack that uses many computers at once.
What is MAC flooding?
Overloading a switch with too many fake MAC addresses.
What are ICMP packets?
Packets that block in firewalls helps reduce DoS attacks
What is a Trojan horse?
Malware that looks safe but is actually harmful.
What is DNS spoofing (cache poisoning)?
An attack that tricks a system into using fake website addresses
What is IP spoofing?
Sending messages with a fake IP address.
What is anti-spyware?
This software can catch hidden keyloggers
What is a logic bomb?
Malware that waits for a special date or event before starting.
What is domain hijacking?
When hackers take over a website’s name by changing account info.
What is a replay attack?
Re-sending a copied message to fool a system.
What is load balancing?
Sharing traffic across many servers to stay online
What is ransomware?
Malware that locks files until money is paid.
What are Layer 2 attacks?
Attacks that happen on the data link layer, like ARP tricks.
What is a zero-day attack?
Attacks that use software problems before anyone knows about them.
What are Dynamic ARP Inspection and Port Security?
Two switch settings that help stop spoofing at Layer 2