The Six Costliest Cyberattacks in History

Every year, businesses invest billions of dollars in effective computer defenses. Why do they spend so much on their training and infrastructure? Since the option is significantly worse. They don't want to fall prey to another cyberattack and have to pay millions in ransoms and damages.?

The Top 6 Most Expensive Cyber Attacks in the World are listed below:

1. ExPetr / NotPetya (2017): $10 Billion

In order to quickly spread outside of the initially targeted region of Ukraine to the entire globe, this sophisticated malware combined a number of exploits. The malicious software used by the hackers included MeDoc, the EternalBlue and EternalRomance vulnerabilities, and the research tool Mimikatz.?

The ransomware was sent as an update by the hackers using the MeDoc update service. Users of infected computers were prevented from accessing any files until they made a $300 Bitcoin ransom.?

2. Epsilon (2011): $4 Billion

Numerous customers, including Best Buy, JPMorgan Chase, and Target, were impacted by the theft of thousands of names and email addresses from email marketing juggernaut Epsilon. The customer notification, settlement, and compliance costs for each of those customers were close to $5 million. Epsilon is consequently out billions of dollars as it must account for obligations, lost revenue,

3. Mafiaboy Attack (2000): $1 Billion

A DDoS attack was launched in 2000 against well-known websites like Amazon, CNN, eBay, Yahoo!, and Dell by 15-year-old Michael Calce, alias Mafiaboy. He caused $1 billion in lost income, cybersecurity upgrades, and investigations when he used a collection of university networks to overwhelm the bigger websites with information.

4. Veterans Affairs (2006): $500 Million

The VA committed several cybersecurity errors, including failing to encrypt its data, which allowed 26.5 million veterans, active duty service members, and their families' patient information to be physically stolen.

5. Hannaford Bros. ($252 million)

In 2007, the 300 East Coast Hannaford Bros. supermarkets all experienced significant security breaches as a result of malware spreading from their primary servers. The business lost millions of dollars as a result of the cybercriminals gaining access to 4.2 million debit and credit card numbers.

6. Sony PlayStation (2011): $171 Million

Over 100 million online accounts' data were compromised when hackers broke into Sony's digital network, forcing the PlayStation Online service to be briefly suspended. Insurance against identity theft, security upgrades, customer assistance, and investigations were all affected by the attack. In addition to this already astounding sum, Sony Corp. lost billions of dollars in revenue and worth as a result of this grave damage to their reputation.

This hack evolved into the most significant and expensive cyberattack in recorded history thanks to these concerted efforts. As cybersecurity continues to evolve and strengthen, our goal as cyber experts is to keep new attacks from ever making this list!