Security Systems

Security Systems

1. Malware

   • Definition
     • Malware is a software written to infect computers and is also used for fraud and things such as identity thief. Malware has become such a big thing that if you do anything online such as email and shopping without proper security protection you are definitely putting yourself and your personal details at a very high risk.
   • Effects
     • .Your computer is very likely to crash
       • .It will slow down
         • .Some of your files will be deleted
           • .The hacker can scan your files in your computer until they find passwords to get into your emails etc
   • Ways to prevent Malware
     • .Back up your files regularly
       • Use strong security protection

2. Phishing

   • Definition
     • Phishing is something used by criminals to make you put in personal details by using a fake website which is an exact replica of the real website. For example it could use HSBC and say that there has been a problem in the system and you need to re enter your details.
   • Effects
     • They could take money form your accounts
       • could use your account details to open a new account for a criminal to store stolen money
         • could use your details and pretend to be you
   • Ways to prevent Phishing
     • strong security walls
       • don't give away your details on the internet
         • don't trust websites that seem to good to be true

3. Denial of service attack

   • Definition
     • Denial of service attack floods your computer with useless information and overloads the system so that it doesn't respond as quickly as it should do.
   • Effects
     • Your company will suffer if your customers cant access your website
       • It effects your profits when your system is on downtime a survey says that on average it will cost the company £4000 a minute
         • The production line of your company will come to a hault
   • Ways to prevent Denial of service attack
     • Strong security wall
       • Good network policy
         • Configuration of the webserver

4. Brute force attack

   • Definition
     • Is a trial and error process to get information of your computer such as passwords and bank details
   • Effects
     • Theft of data
       • They have access to private information
         • Identity fraud
   • Ways to prevent Brute force attack
     • Get locked out after a certain number of tries
       • Use complicated password with letters and numbers
         • User has to look at pictures and answer question

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