network security threats

network security threats

1. DDos

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

2. brute attack

   • gaining access to a networks by using computer program to a possible password combinations

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. worms

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

5. 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.