Here is the List and Chronology of the World's Largest Hacker Attacks and Their Financial Losses

Jakarta, INTI – Cyberattacks pose a serious threat that can cause significant losses to companies, governments, and individuals. Here is a list and chronology of the world's largest hacker attacks and the financial losses they caused.

1. WannaCry Attack (2017)

Chronology

In May 2017, the WannaCry ransomware attack crippled over 200,000 computers worldwide. This attack held users' data hostage by encrypting files and demanding a ransom in Bitcoin to restore access. WannaCry spread rapidly through a vulnerability in the Windows operating system.

Financial Losses

The losses caused by the WannaCry attack are estimated to be $4 billion. Many hospitals, companies, and government organizations experienced severe operational disruptions.

2. Equifax Attack (2017)

Chronology

In July 2017, Equifax, one of the largest credit reporting companies in the world, suffered a cyberattack that resulted in the theft of personal data of approximately 147 million people. The stolen information included names, Social Security numbers, birth dates, addresses, and some credit card numbers.

Financial Losses

The losses caused by the Equifax attack are estimated to be $600 million. The company had to bear the costs of system security repairs, compensation to victims, and fines from relevant authorities.

3. Target Attack (2013)

Chronology

In late 2013, the major US retailer Target fell victim to a cyberattack that resulted in the theft of 40 million credit and debit card records. Hackers used malware to access the point-of-sale (POS) system and steal payment card information.

Financial Losses

The losses caused by the Target attack are estimated to be $162 million. Additionally, the company's reputation suffered a significant decline, resulting in a loss of consumer trust.

4. Sony Pictures Attack (2014)

Chronology

In November 2014, Sony Pictures experienced a massive cyberattack that led to the theft of internal data, private emails, and employee information. The attack was allegedly carried out by a hacker group affiliated with North Korea in response to the film "The Interview."

Financial Losses

The losses caused by the Sony Pictures attack are estimated to be $100 million. In addition to the cost of system repairs, the company also had to bear losses due to project cancellations and a decline in stock value.

5. Marriott Attack (2018)

Chronology

In November 2018, Marriott International revealed that they had experienced a data breach affecting the personal information of approximately 500 million guests. The stolen data included names, addresses, passport numbers, and payment card information.

Financial Losses

The losses caused by the Marriott attack are estimated to be $500 million. These costs include fines from data protection authorities, compensation to victims, and system security repair costs.

6. SolarWinds Attack (2020)

Chronology

In December 2020, SolarWinds, a network management software provider, suffered a cyberattack that affected thousands of customers, including major companies and government agencies worldwide. Hackers inserted malware into SolarWinds software updates, which were then downloaded by users.

Financial Losses

The losses caused by the SolarWinds attack are estimated to be $100 million. This attack also had long-term impacts on national security and critical infrastructure.

Cyberattacks continue to evolve into increasingly complex and harmful threats. The list of the world's largest attacks highlights the importance of enhancing cybersecurity to protect data and infrastructure. Companies and governments must invest in security technology and training to effectively prevent and respond to cyberattacks.

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