With the advancement in technologies, everything going scientific, everyone going online and doing their works online, cyber-attacks are also increasing. Whether it’s bank fraud, job fraud, stalking, data theft, or ransomware attacks, these cyberattacks are increasing day by day.
These cyber-attacks also cause a huge loss to the victims, financially or mentally. One such cyber attack is a ransomware attack.
A ransomware attack is a type of malware attack where an attacker sends a malicious file by which all your files in the systems get encrypted and then asks for a ransom (money) to decrypt the files.
It accomplishes most of the time for the sake of money.
Companies storing their data online, and making their businesses online for the ease of customers are facing these types of attacks on a huge basis.
Now let’s see some of the worst ransomware attacks until now.
Top 5 Ransomware Attacks
UHBVN Ransomware attack
In Uttar Haryana Bijli Vitran Nigam (UHBVN) hackers have stolen the billing data of millions of customers. And demanded a ransom of Crores to retrieve back the data.
India was the third hit-nation by Wannacry ransomware affecting more than 2 lakh computer systems. During the first wave of attacks, this ransomware hit various banks in different cities including Tamil Nadu and Gujarat. Meanwhile, this ransomware also affected well-known car manufacturing companies.
India was one of the top 10 countries to be hit by Petya ransomware. This attack halted the work of the largest seaport of India causing computer lockdown and serious consequences for the country’s export.
Computer giant Acer has been hit by a REvil ransomware attack. Where the threat actors have demanded a huge ransom in millions. These leaked images are for documents that include financial spreadsheets, bank balances, and bank communications.
Automaker Kia Motors America (KMA) suffered a suspected DoppelPaymer ransomware attack affecting internal and customer-facing systems. The ransomware gang claimed responsibility for the attack and demands $20 million worth of Bitcoin to decrypt files and not leak the sensitive files.