Network attacks

Network attacks

1. Active attack

   • An active attack is a network exploit in which a hacker attempts to make changes to data on the target or data en route to the target.
     • Active attack is more easy to detect than to prevent

2. Passive attack

   • A passive attack is a network attack in which a system is monitored and sometimes scanned for open ports and vulnerabilities. The purpose is solely to gain information about the target and no data is changed on the target
     • Its difficult to detect than to prevent

3. Insider attack

   • Malicious attack perpetrated on a network or computer system by a person with authorized system access
     • Its difficult to detect and to prevent

4. Brute Force Attack

   • Trial and error method used by application programs to decode encrypted data such as passwords or Data Encryption Standard keys

5. Denail Service Attack

   • A denial-of-service attack is a security event that occurs when an attacker takes action that prevents legitimate users from accessing targeted computer systems, devices or other network resources.
     • To defend this type of attack you need to use fiewall, swith or router.

6. Phishing

   • Phishing is trying to get you to follow a link and provide information to the sender like a password or an account number

7. Malware

   • software which is specifically designed to disrupt, damage, or gain authorized access to a computer system
     • Keep your web application up-to-date, regularly check your content, use storng and unique passwords, keep your clean backups totally separate

8. Spyware

   • is a type of malware that collects user information by tracking the habits of users.
     • To prevent this tyoe of attack you need to install anti-virus software or anti-spyware software, to keep you operating system uptodate and your applictions