Network Security Threats

Network Security Threats

1. DDoS

   • A distributed denial-of-service (DDoS) attack is an attack in which multiple compromised computer systems attack a target, such as a server, website or other network resource, and cause a denial of service for users of the targeted resource.

2. Active attack

   • An active attack is a network exploit in which a hacker attempts to make changes to data on the target or data on route to the target.

3. Scareware

   • malicious computer programs designed to trick a user into buying and downloading unnecessary and potentially dangerous software, such as fake antivirus protection.

4. Spyware

5. Viruses

6. Worm

   • worms are like viruses but they self replicate with out any user help meaning they can spread very quickly.

7. Botnet

   • Botnets can be used to perform distributed denial-of-service attack , steal data, send spam, and allows the attacker to access the device and its connection.

8. Insider attack

   • An insider attack is a malicious attack on a network or computer system by a person with authorized system access.

9. Brute force attack

   • The attacker systematically checks all possible passwords and passphrases until the correct one is found.

10. Ransomware

11. Trojan horse

    • malware disguised as legitimate software unlike viruses and worms they dont replicate themselves.