security threats detection and prevention

security threats detection and prevention

1. ddos

   • when the requests come from many sources so you cannot just block a single IP address.

2. virus

   • nsert themselves in normal programs. Viruses can replicate themselves and transfer from one computer to another. They are activated by a user often as email attachments and attachment to other files and programs.

3. phishing

   • Normally an email or text messaging scam where victims are conned into believing that they are being contacted by an authentic organisation (e.g. by their bank) and can give sensitive personal details (such as bank account passwords).

4. brute force attack

   • when all possible password combinations are systematically tried, with the hope of getting it right.
   • stong password
   • 2 step verification

5. spyware

6. trojan horse

   • gains access to a computer by pretending to be legitimate software. The trojan allows unauthorised backdoor access to a computer without the user being aware.

7. worm

   • pread like viruses but dos not require human intervention. They attach themselves to network tools to spread automatically around a network very quickly.