With the background of increasing dependence on technology and web-based communications, the internet usage spreading all over the world, many people, firm and bank have started to use internet in order to make easy their business such as paying their bill with credit cards on the internet.
http://www.youtube.com/watch?v=-plRCjTIvSg

http://www.youtube.com/watch?v=SWe1aCvxt1M

http://www.youtube.com/watch?v=Hq24-aP_46U

Cyber attack can be defined as accessing other people’s e-mail, message and information unlawfully.

People who attack web sites and access personal computer are called hacker. Hackers want to profit from their innate hacking capabilities.
http://www.youtube.com/watch?v=0nqjb56ZxNQ

Hacker can be divided into three groups as White Hat, Grey Hat and Black Hat. http://www.youtube.com/watch?v=VDBUkWrzwTM

With the increasing number of cyber attack, cyber crime became the top priority issue for government and people.

Malware
Rootkits
Spam
Spayware
Trojans
Viruses
Phishing

Malware , short for malicious software , is software used to disrupt computer operation, gather sensitive information, or gain access to private computer systems.
It can appear in the form of code, scripts, active content, and other software.
Malware includes computer viruses,ransomware,worms, trojan horses,rootkits, keyloggers,dialers,spyware and adware

A computer virus is a type of malware that, when executed, replicates by inserting copies of itself
(possibly modified) into other computer programs, data files, or the boot sector of the hard drive
When a malicious program is disguised as something normal or desirable, users may willfully install it without realizing it. This is the technique of the Trojan horse or trojan .

One of the largest ever cyber attacks is slowing global internet services and the disruption could get worse after an organization blocking
"spam" content became a target.

Phishing is the act of attempting to acquire information such as usernames, passwords, and credit card details.
Phishing is typically carried out by email spoofing or instant messaging and it often directs users to enter details at a fake website whose look and feel are almost identical to the legitimate one.

 Proactive Cyber Defence
 Active Cyber Defence
Proactive Cyber Defence or active cyber defence (ACD) means acting in anticipation to oppose an attack against computers and networks.

 Proactive cyber defense means acting in anticipation to oppose an attack against computers and networks.
 It represents the dynamic between purely offensive and defensive action; interdicting and disrupting an attack or a threat’s preparation to attack, either preemptively or in self-defence.

Active cyber defense (ACD), a term that describes a range of proactive actions that engage the adversary before and during a cyber incident

 Some software can be used for defending systems
 Antivirus or AV software is computer software used to prevent, detect and remove malicious computer viruses.
Protections;
Rootkit detection
Real-time protection
Heuristics

 Firewall a firewall is a software or hardware-based network security system that controls the incoming and outgoing network traffic by analyzing the data packets
An illustration of where a firewall would be located in a network.

http://www.youtube.com/watch?v=kictJz35kkg

Turkey has some concerns about cyber-attacks which include acts of cyber war, terrorism, crime, protest, vandalism, and more.

Cyber Security Agency struggles with threats coming from software such as some viruses like
Trojan and malicious viruses.

Cyber attack strategies are provided by cyber security agencies in digital enviroment.
These strategies are pot system, a trap set to detect, deflect, or in some manner counteract attempts at unauthorized use of information systems.

The hacktivist group Anonymous has taken down the
Turkish President’s website and attack Turkısh Cyber
Army(AYYILDIZ TİM).
Ayyıldız Team makes counter attack to anonymous.

TÜBİTAK support training programs with cooperation of Cyber Security Agency.DDOS defensive tool to eliminate cyber attacts.

 Saray KURT
 Enes YILMAZ

Erdi ŞEKERCİLER
 Harun KARABAL