Hello, friends in this modern world Cyber-security was huge in 2017. From ransomware to data breaches that include like

NotPetya

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A computer virus that affected Ukrainian business. The malware affected many global famous businesses like FedEx, Russian oil, Maersk is a Danish shipping firm this attack cost company between $250 million and $300 million.
Maersk is not the only company which costs there are many including U.K based consumer goods company Reckitt Benckiser(an estimated $129 million), there are many others like Mondelez International, software vendor name Nuance Communications.

NotPetya
NotPetya

Bad Rabbit

Another ransomware very similar to NotPetya but this attack doesn’t spread much beyond Ukraine and Russia
In this attack when the target visits the legitimate website, a malware dropper is downloaded, this malware is not executed automatically users have to click and when the file is opened it starts locking the infected computers.
Bad Rabbit demands Bitcoin of $280 and gives approx 40 hours for payment to be made.

WannaCry

Another ransomware that spread through the internet and infected more than 230K computers over 150 countries and demands $300-$600 bitcoin per computer
There are many companies affected include the National Health Service, Honda, Renault and many other big companies.
WannaCry targeted computers running the Microsoft Windows operating system by encrypting data.

Equifax

One of the three major consumer credit reporting agencies, in which Criminals gained access to certain files in the company’s system exploiting a weak point in website software in which, hackers were able to retrieve names, birth dates, and addresses.
More than 209K consumers credit card numbers were compromised with personal information.

Now looking back from last six months of 2K18, there haven’t been as many ransomware as in previous year 2K17. But the ratio of the data breach is increasing day by day

Aadhar(Jan)

The data breach is believed to have compromised the personal information of all 1.1 billion citizens registered in India. Compromised data includes their name, address, photo, phone number and email address.
Anyone can access any other personal data at just $7.32 or 500 INR.