Famous virus attack

Ryuk also encrypted network hard disks. The impact was devastating: most US organizations that were targeted were reported to have paid the ransom sums. This ransomware is characterised by its advanced evasion capacity and the large number of measures that it takes in avoiding detection.

This ransomware attacked a wide range of targets across the world. Its multiple infection vectors include exploiting known security vulnerabilities and also the use of email phishing campaigns. In April , the group behind Sodinokibi claimed to have hacked the computer network of Quanta , a Taiwan-based company that manufactures MacBooks. Shortly after this public back-and-forth, the group made good on its threats and released various MacBook schematics and component listings.

Last month, two of the cybercriminals were hunted down and arrested. It was spread via phishing emails and malicious attachments. It has since been difficult to estimate the economic damage, as the figures for people who paid the ransom appear to be vastly different depending on sources; nonetheless, it ran to many millions of dollars. Petya is a ransomware attack that occurred in and was resurrected as GoldenEye in Petya ransomware spread to corporate HR departments via a fake application that contained an infected Dropbox link.

Another variant goes by the name, Petya 2. The resurrection of Petya as GoldenEye resulted in a worldwide ransomware infection in Cyber space has become the new way of life. Cyber attack is a type of offensive attack employed by the individual or whole organization that target computer information system, infrastructure, and computer network and personal computer devices. By various means, a virus is entered into the computer and information is hacked from the computer or system is destroyed.

The most common fear factor a cyber terrorist will create fear among individuals, groups and societies. Personal hackers either working on their own or employed by the government or military service, can find a computer system that is lacking the appropriate security system. In response to recent cyber attacks on April 1, , president Obama issued an executive order establishing the first ever economic sanction.

In detail, there are some techniques to utilize in cyber attacks and variety of ways to administer them to individuals and establishments on a broader scale. Attacks are divided into two categories syntactic attack and semantic attacks.

Syntactic are straight forward including viruses and worms. Now we are going to discuss the top ten most famous cyber attacks in the world. List of top ten cyber attacks in the world:. The owners of the company are TJ Maxx and Marshall.

They can manage 45 million of debit cards and credit cards information. It is considered to be the tenth most expensive cyber attack. Sven Jaschan is considered to be the ninth most expensive computerized attack. Sven Jaschan is a German college, student. He unleashed the virus on his eighteenth birthday in that showed its results all over the world. It is the most famous and expensive electronic attack and a huge amount of expensive were made on it. Michael Calce is from West Island.

He was an ordinary boy of fifteen-year-old and famous as Mafiaboy. It is the very famous hacking company from with high-level security. It includes computer giant Dell, Yahoo, Fifa. Mariposa was a botnet of Spanish origin, capable of stealing millions of dollars from unsuspecting users by taking their credit card numbers and passwords to their accounts on financial services sites.

It used malvertising — the use of digital ads to spread malware — to take over a whopping ten million machines, making it the second largest botnet discovered to date. However, Spanish law enforcement was able to bring down the operation in one fell swoop when they discovered a record of everyone who paid to rent the network.

Methbot fraudulently acquired hundreds of thousands of IP addresses from two global internet registries and associating them with US-based ISPs. The Mirai botnet was behind a massive distributed denial of service DDoS attack that left much of the internet inaccessible on the U. But, what made Mirai most notable was that it was the first major botnet to infect insecure IoT devices. At its peak, the worm infected over , devices.

Most surprising of all: the botnet was created by a group of college kids looking to gain an edge in Minecraft. White Ops. Here are some of the botnets that have come to define cybercrime: EarthLink Spammer - Any good history starts at the beginning. Storm - Storm was one of the first known peer-to-peer botnets — that is, it was among the first to be controlled by several different servers.

Cutwail - In , the spam botnet Cutwail was sending 51 million emails every minute , contributing up to Grum - Grum was a spam botnet specializing in pharmaceutical spam, but had massive scale.