Computer security-imroved

Computer security-imroved

1. Firewall

   • Prevents harmful data entering your computer.
   • Used when program is trying to connect to another network.
   • Controls which programs can send and receive data packets.
   • Used to stop intruders from entering your device
   • The consequences of not having a firewall at home is some one can get in and steal your personal data or your parents details.

2. Encription

   • Scrambles the data packets to make the unreadable to others.
   • To encrypt a data packet you need a cipher to change the data packet to make it unreadable with out the key.
   • To decrypt a data packet you need key to change it back to the original data packet so that it can be read.
   • We use encryption when on websites that start with https or when encryption a message like what happened with the enigma code.

3. Antivirus

   • Quarantines any programs or files which are harmful.
   • Needs updating regularly to make sure that it knows the latest threats.
   • Quarantines any programs or files which are harmful.
     • Quarantine means it takes the corrupted file away from the rest of the files so that the malware from spreading the rest of the files.
   • Scans the computer periodically.
     • Periodically means it scans the computer for malware software at regular intervals for example every time you log in.
   • Protects against malicious software.
   • Used to help protect a computer network from intruders.

4. Computer security

   • When buying items online look for the https to make sure it is a real website and they are not trying to scam you out of money or get hold of your bank details.
   • When buying online look at the reviews if something looks to good to be true it probably is.
   • When opening a email from a bank if it says dear user it is a fake this is people trying to get your personal data by using phishing.
   • When making a password try to have different upper case and lower case letters, numbers and symbols to make it very safe and the minimum length should be 8 characters.
   • If downloading from a free website look at the review and look for https as it could be untrusted.
   • Phishing all starts with an email it is the bait. To stop phishing check who sent the email and check their website to make sure they are real or fake.
   • You need a https:// to encrypt your data so it can't be read by a stranger and they can't take your data for example when login in or when you enter your bank details.