Security Threats

Security Threats

1. Passive attack

   • is where someone monitors data travelling on a network and intercepts any sensitive information they find. Passive attacks are hard to detect as the hacker is quietly listening.The best defence is to have data encryption.

2. Phishing

   • When criminals send emails or texts to someone claiming to be a well known business ,this is done to aquire sensitive information e.g bank details.

3. scareware

   • A type of malware that creates false messages that trick the user to clicking the malicious links. Companies use firewalls to block unauthorised access.

4. spyware

   • software that enables a user to obtain private information about another computers activities by transmitting data secretly from their hard drive.

5. bruteforce attack

   • is a trial and error method used by application programs to decode encrypted data such as passwords or Data Encryption Standard.To prevent this have a program that locks users out after entering wrong details, you can also have longer passwords with different combinations of symbols letters an numbers.

6. DDOS (Denial of service attack)

   • is a cyber-attack where the perpetrator seeks to make a machine or network resource unavailable to its intended users by temporarily or indefinitely disrupting services of a host connected to the Internet.

7. Ransomware

   • Ransom ware is when a type of malware uses encryption to lock a user out of their files.The hacker will lock the user out until the user pays them to unlock it. Users can use anti malware software such as antivirus so the computer can check for viruses and destroy them.

8. insider attack

   • is a malicious attack perpetrated on a network or computer system by a person with authorised system access.

9. active attack

   • is a network exploit in which a hacker attempts to make changes to data on the target or data en route to the target. the intruder pretends to be a particular user of a system to gain access or to gain greater privileges than they are authorised for.

10. Viruses

    • Viruses are executable files like programs that take over computer or infect the computer to damage or steal sensitive information.

11. Trojan horse

12. Worms