Computer security Improved

Computer security Improved

1. Encryption

   • Encryption Makes it impossible to read the data unless you have a key to decrypt (make readable) the data.
   • Allows you to send data packets without hackers knowing what you sent so your personal imformation, files and passwords cant be viewed by hackers
   • Encryption is used in websites to keep clients sensitive information safe from hackers.
   • To encrypt a data you need a chipher, if you have the cipher you can use it to decrypt
   • Decryption is where you make the data readable by using the cipher and key to unscramble the encrypted data.
   • The cipher is the method that is used to encrypt the data

2. Firewall

   • firewalls controls which programs can send or receive data packets so data packets that want to access your computer cant without your permission.
   • Firewalls can't tell wether the software is malicious or not. instead it asks you whether you want to receive data packets from software.

3. Antivirus

   • Has to be updated regularly to keep up to date with new threats
   • Antivirus will quarantine any potential threats that have already got into your computer.
   • Antivirus software detects potential threats and malicious software so that your computer is safe from viruses and hackers

4. Computer security

   • Cheap or free software online usaully carries viruses, before downloading untrustworthy programs its best to look at reviews first.
   • When opening emails make sure you know the person or company . even if you know the company it could be someone pretending to be them so never transfer sensitive information that companies have instructed you to do by email, Real companies would never do this.
   • A good password will have letters, numbers, capitals and symbols and will be at least 8 charachters long to make it harder to guess it or hack for hackers
   • Some people online will try Phishing. this is where they email you or use another methods of communication and try to pretend to be trustwortthy websites, they may even pretend they are a trusted companies. do not folllow links from emails. A company will never ask for your sensitive information via email or social media.
   • Never make your password your name, your username, a pets name, a short word or commonly used password e.g 12345, password, qwerty, QWERTY