With Cyberattacks are on the rise, it’s time to reflect on some of the biggest cyberattacks in history. In particular, it’s important to consider the evolution and sophistication of attacks. As we head into 2022, we would like to cover some of the monumental cyberattacks that helped shape the current state of cybersecurity. The following list is determined by the number of accounts breached and their impact on those affected.
Date: June 2021
Result: 700 million users
This incident contributes as the 2nd incident in the past 12 months for the professional networking site. This time around, 90% of LinkedIn’s users were affected as a result of data scraping techniques used by a hacker who goes by the name ‘God User’. God User himself then advertised the 700 million users’ sensitive information for sale on the Dark Web. In-fact, the hacker’s ransom request was a record-breaking $70 million USD, however, it’s believed that LinkedIn negotiated a sale price significantly lower.
Result: 250 million records
The technology company discovered that its internal support database, used to measure scans, was wrongly configured for almost an entire month. Because of this, 250 million customer service records were accessible to anyone with a working web browser. Luckily, no sensitive information was accessed or used maliciously because of this misconfiguration.
Date: March 2019
Result: 106 million accounts
A former employee of Amazon was able to expose vulnerabilities in misconfigured Amazon Web Services (AWS) firewalls that were being used by Capital One. Leaked data included, U.S. Social Security Numbers, 1 million Canadian insurance numbers, and information related to more than 80,000 bank accounts.
Date: August 2013
Result: 3 billion accounts
Yahoo waited 3 years to announce that 3 billion accounts were accessed due to a cyberattack. This data breach is still considered to be the largest in history. As this transpired, telecommunications leader, Verizon, was in the process of buying out Yahoo for $4.48 billion. It wasn’t until it went public that Yahoo had been hacked that ultimately forced the company to sell its assets to Verizon. Yahoo ended up cutting the sale price by $350 million amid the investigation. Once the acquisition was complete, Verizon’s CIO, Chandra McMahon, released the following statement regarding the incident, “Verizon is committed to the highest standards of accountability and transparency, and we proactively work to ensure the safety and security of our users and networks in an evolving landscape of online threats.”.
Result: 153 million records
At the time, this was the largest cyberattack of all time regarding the number of accounts affected. The following sensitive account information was accessed, user identification numbers, personal information such as names and dates of birth, as well as login credentials.
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Are you ready for 2022 and the growing threat of cyberattacks? Don’t wait and respond to a costly attack. Contact CommuniCloud and let us help you monitor and prevent attacks 24/7.