1can disrupt e-commerce, cause data loss, threaten privacy, and compromise information integrity
Network Security Breaches
2Weaknesses that can be exploited by attackers
Vulnerability
3The source of danger that may exploit a vulnerability
Threat
4The act of taking advantage of a vulnerability
Exploit
5Actions taken to reduce or eliminate threats
Mitigation
6The likelihood of a threat exploiting a vulnerability
Risk
7The path used by a threat actor to access a system or network
Attack Vector
8An attack that makes systems unavailable
Denial of Service (DoS)
9A DoS attack launched from multiple systems
Distributed Denial of Service (DDoS)
10Any person, device, group, or nation that causes an attack
Threat Actor
11Ethical hacker who improves security
White Hat Hacker
12Hacker who breaks rules without malicious intent
Gray Hat Hacker
13Malicious hacker who exploits systems
Black Hat Hacker
14Entity that sells discovered vulnerabilities
Vulnerability Broker
15Politically or socially motivated attacker
Hacktivist
16Attacker who commits cybercrime for profit
Cyber Criminal
17Self-replicating malware that spreads automatically
Worm
18Malware that attaches to legitimate programs
Virus
19Malware disguised as legitimate software
Trojan Horse
20Listening to network communications
Eavesdropping
21Unauthorized alteration of data
Data Modification
22Impersonating a trusted IP address
IP Address Spoofing
23Stealing or guessing passwords
Password-Based Attack
24Intercepting communication between two parties
Man-in-the-Middle Attack
25Capturing network packets
Sniffer Attack
26Information-gathering attack
Reconnaissance Attack
27Unauthorized system access attack
Access Attack
28Availability-disrupting attack
DoS Attack
29Attack that steals user credentials
Password Attack
30Attack that pretends to be a trusted device
Spoofing Attack
31Exploiting trust relationships
Trust Exploitation
32Redirecting traffic through another system
Port Redirection
33Exploiting memory handling errors
Buffer Overflow
34Using ICMP to scan and map networks
ICMP Attack
35Overwhelming a target using reflected traffic
Amplification Attack
36Intercepting and altering traffic
MITM Attack
37Taking control of an active session
Session Hijacking
38Overloading a server with SYN packets
TCP SYN Flood
39Forcing TCP connections to close
TCP Reset Attack
40Taking over a TCP session
TCP Session Hijacking
41Flooding a target with UDP packets
UDP Flooding
42Unsolicited ARP reply
Gratuitous ARP
43Corrupting ARP tables
ARP Cache Poisoning
44Injecting false DNS records
DNS Cache Poisoning
45Rapidly changing IP addresses for malicious domains
Fast Flux
46Using multiple domains and IPs
Double IP Flux
47Using DNS to tunnel data
DNS Tunneling
48Rogue DHCP server providing false configuration
DHCP Spoofing
49Protection of data privacy
Confidentiality
50Ensuring data accuracy
Integrity
51Ensuring system accessibility
Availability
52Information security model
Confidentiality, Integrity, Availability (CIA)
53Layered security approach
Defense-in-Depth
54System that enforces access control policies
Firewall
55System that detects attacks
Intrusion Detection System (IDS)
56System that detects and blocks attacks
Intrusion Prevention System (IPS)
57Known attack pattern
IDS/IPS Signature
58Ensures data has not been altered
Hash Algorithms
59Legacy 128-bit hash function
MD5
60Secure hash family
SHA / SHA-2
61Hash with a secret key
Keyed-Hash Message Authentication Code (HMAC)
62Encryption using the same key
Symmetric Encryption
63Encryption using public and private keys
Asymmetric Encryption
64Public-key encryption algorithm
Rivest, Shamir, and Adleman (RSA)
65Key exchange without prior communication
Diffie-Hellman
66Symmetric encryption standard
Advanced Encryption Standard (AES)
67Legacy symmetric encryption
DES
68Triple-encryption DES
3DES
69Software-optimized encryption
SEAL
70Stream cipher family
Rivest Ciphers (RC)
71Digital signature standard
Digital Signature Standard (DSS)
72Digital signature algorithm
Digital Signature Algorithm (DSA)
73Asymmetric encryption algorithm
ElGamal
74Efficient public-key cryptography
Elliptical Curve Cryptography