FUNDAMENTALS OF COMPUTER

COMPUTER THREATS SECURITY

WHAT IS A HACKER

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is a distributed denial of service attack?
A
Designed to make a network or website grind to a halt. Uses ‘Zombie’ computers to flood the network/website with useless network communication:such as repeated login requests at the same time.
B
New programs are testedfor security faults.The day a security flaw is foundis called ‘zero day’. There is a race between hackers andcompany to exploit and fix.
C
Either A or B
D
None of the above
Explanation: 

Detailed explanation-1: -DDoS attacks make computer systems inaccessible by flooding servers, networks, or even end user systems with useless traffic so that legitimate users can no longer gain access to those resources. In a typical DDoS attack, a large number of compromised hosts are amassed to send useless packets.

Detailed explanation-2: -A Denial of Service (DoS) attack involves a single machine used to either target a software vulnerability or flood a targeted resource with packets, requests or queries. A DDoS attack, however, uses multiple connected devices-often executed by botnets or, on occasion, by individuals who have coordinated their activity.

Detailed explanation-3: -Ransomware is software that infects computer networks and mobile devices to hold your data hostage until you send the attackers money.

Detailed explanation-4: -A hacktivist is a hacker activist, someone who attacks computer systems for political reasons. “Hacktivism” is hacking activism.

Detailed explanation-5: -Why do people hack? The biggest motivation is often financial gain. Hackers can make money by stealing your passwords, accessing your bank or credit card details, holding your information to ransom, or selling your data to other hackers or on the dark web.

There is 1 question to complete.