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What are network attacks?

Network attacks can be divided into two main categories, active attacks and passive attacks. Active attacks involve a malicious actor actively manipulating the design of a network in order to exploit some sort of vulnerability in a targeted endpoint. Active attacks involve things like packet generation, code injection, man-in-the-middle, and denial of service.

Passive attacks involve a malicious actor staying hidden while reading and saving information of interest exchanged by various nodes on a network. Passive attacks include things like traffic analysis, traffic sniffing, and key logging.

Active Attacks

Packet Generation: Replay Attack, Masquerading

Code Injection: 0-day Attack, Malware, Spyware, Phishing

Packet Alteration: Man-In-The-Middle, Session Hijacking

Service Compromise: Denial of Service, Distributed Denial of Service, SQL Injection

Passive Attacks

Eavesdropping & Interception: Traffic Analysis, Traffic Sniffing, Key Logging

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