System Security

System Security

1. malware is any software which can harm a computer or user.

   • Viruses
     • Pharming
       • pharming trys to change the IP ADDRESS to take you to a fake website to e.g. to take your information or change (kinda new)
         • for example www.bbc.co.uk into your browser pharming would take you to a different sight and take your details.
     • viruses are small programs which aim to cause physical harm to a computer system
       • standard viruses
         • worms viruses
           • Trojan viruses
   • Spyware
     • Adware
       • Like spyware, this is the type of malware doesn't physically deleted or corrupt a systems data.
         • instead its aim is to download and display unwanted adverts and collect marketing information about your online habits.
     • spyware's aim is to spy on the user and send back as much information about them as possible (passwords,usernames,websites they visit.)
       • a common piece of spyware is a key logger. It quietly runs in the background
   • scareware
     • comes up telling you its not a virus hoping you will pass over your money.
   • randsomware
     • seeking to lock your computer making it useless.. it will demand for money to unlock it to get it working again.
   • rootkits
     • contain a set of tools. allows criminals to access your computer at an admin level and get pretty much what they want.

2. phishing

   • phishing seeks to acquire sensitive information about a user such as their usernames, passwords, bank details ect..

3. brute force attack

   • another method used by criminals to gain access to a secure network is carrying out by brute force attack
     • trail and error .. ------->>> passwords and usernames (programs)

4. denial of service attacks

   • seeks to bring down web services by using traffic to make it go down.

5. SQL injections

   • adds code to already make verified code to say it will also take your data and auto send it