System threats

System threats

1. Malware

   • Any software used to disrupt computer systems, gather sensitive information, gain access to private computer systems, or display unwanted advertising.
     • They include viruses, worms, scareware, trojan horses and spybots.
     • They can make your computer crash or slow down. Internet connection can be effected, files can be deleted. The worst way your computer can be effected is the hacker would be able to record what keys yout ype, this can give them your logins and passwords.
   • Ways to prevent it: Strong security software (firewall, spam filter, anti-virus, anti-spyware, anti-spam). Enable OS updates. Staff training: caution opening attachments. Back up files regularly

2. Denial of service attack

   • An attack that works by making a website or network grind to a halt. It does this by flooding it with useless network communications, such as repeated login requests.

3. Data interception

   • A form of attack that takes or intercepts computer based information without the person knowing. This is usually achieved by intercepting data packets when they are being sent from a computer.

4. Brute force attack

   • When an attacker tries many passwords with the hope of eventually guessing correctly. It works by calculating every possible combination that could make up a password and testing it to see if it is correct.

5. SQL Injection attack

   • An attack that occurs when a database or website form asks a user for an input, like their username. The hacker types in programming code which runs and can then control or change the data in the database
   • Structured Query Language

6. Phishing

   • An attempt to obtain sensitive information such as usernames, passwords or bank details. It is typically carried out by email or instant messaging, and it often directs users to enter personal information at a fake website.
   • Ways to prevent it: Strong security software (firewall, spam filter, anti-virus, anti-spam). Staff training: awareness of spotting fake websites & emails. Staff training: never disclose personal or financial information. Staff training: disable pop-ups.
     • The effects are that the hacker can access your accounts and withdraw money or purchase items with your money. Open new bank or credit-card accounts in a victim’s names, and use the new account to cash illegitimate checks or purchase merchandise. Gaining access high-value corporate data.

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