Top 5 most successfull Hacks

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Now in today’s world where being online has become one of the most important aspect of our daily life,our internet security has been under contionous threat and faces a lot of attacts.But it’s not only the personal computers at home which faces the viruses and attacts, but also alot of oganization which need to be online at every second of the day faces it aswell.

Corporate hacking happens for many reasons. Some hackers are criminally motivated, others do it for the fame, and some are exacting revenge. Whatever the reason for a corporate hack though, they generally affect millions of people and cost millions of dollars to fix.
1.Teen Hacked just using the DOS

 

Back in early 2000, most IT Managers were simply relieved that the Millennium Bug had come to nothing. Little did they know that a Canadian teen had something far worse up his sleeve.

Michael Calce, aka Mafia-boy  took down some of the world’s biggest websites with a fairly simple hack. Using a D Dos  or distributed denial of service attack, he deluged the sites with so many requests that the servers couldn’t cope with them and the sites shut down completely. His first victim was Yahoo, which was the world’s leading search engine at the time. He later hacked eBay, CNN, Amazon and Dell, although Dell didn’t admit to the breach until sometime later.

These attacks are estimated to have cost around US $1.2 billion and exposed how vulnerable websites are to hackers. Politicians took note and US President Bill Clinton called a summit on cyber crime.

Calce believes that many of the internet security issues he exposed in 2000 still exist. He discusses this in a CNN interview.

2.Hacking against PlayStation

In April 2011 Sony Playstation was the target of one of the world’s largest hacks.Details of over 77 million registered accounts were stolen.

Initially Sony believed they could fix the breach fairly quickly. However they soon discovered that it was more serious than they had initially imagined and the PlayStation network remained offline for over three weeks.

It’s estimated that the hack cost Sony around US $171 million.

3.Longest hack of the History

It last for about 18 months’from mid 2005 to december 2007.hackers obtained details of 45.7 million credit and debit cards which had been swiped at TJX stores.
BK’s, Office Max, Barnes & Noble and TK Maxx were the victims.

A non-secure wireless network is believed to be responsible for the breach.

TJX Companies faced lawsuits, fines and costly security system updates. As a result of the breach they paid US $130 million in infrastructure upgrades and a fine of US $40.9 million to Visa USA.

4.Operation payback takes down online payments.

Whilst most cyber crime is for financial reasons, sometimes the motive is political.

Probably the most famous group of politically motivated hackers,  is Anonymous. Following the arrest of WikiLeaks founder, Julian Assange, online payments to WikiLeaks via MasterCard, Visa, PayPal and other online payment methods were blocked.

Revenge was swift. In December 2010, Anonymous members used DDoS attacks to slow down and disable some of the world’s largest online payment websites on one of the busiest shopping days of the year. Hundreds of thousands of card holders were left unable to pay for goods.

PayPal has estimated that the attacks cost them US $5.5 million. In February 2013, four British men were found guilty of involvement in Operation Payback. The youngest was 18.

5.Are you dead on your Account???

Imagine logging on to your Twitter or Facebook account and discovering that you’ve died. It would be a fairly spooky sensation. That must have been how Rupert Murdoch felt on 19 July 2011 when the hacktivist group, Lulzsec, attacked The Sun newspaper’s website.

They replaced the lead story with the headline “Media moguls body discovered” [sic], and went on to report that Rupert Murdoch had been found dead in his garden.

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