Science & Technology

Anonymous Declares 'Cyber War' Against Russia, Know The Worst Cyber Attacks in History

It is an attempt to compromise a computer system by exposing, altering, disabling, destroying, stealing, or gaining unauthorised access to it.
Anonymous Declares 'Cyber War' Against Russia, Know The Worst Cyber Attacks in History

An international hacking collective Anonymous which has conducted cyberattacks against governments and corporations appear to declare war against Vladimir Putin and its government due to military operations in Ukraine.

As per reports, Hacker collective Anonymous has disabled several Russian government websites including the state-controlled "Russia Today" news service.

Cyber Attack is nothing but an attempt to compromise a computer system by exposing, altering, disabling, destroying, stealing, or gaining unauthorised access to it.

Cybercrime has a huge influence on both businesses and individuals. By 2025, the cost of cybercrime is anticipated to exceed $10.5 trillion.

Let's take a look at some of the most significant cyberattacks in history on mankind

  1. The Melissa Virus

Melissa was a sort of email virus that first surfaced in early 1999 as a problem. It was a macro-based mass-mailing virus that infected Microsoft Word and Outlook-based computers.

  1. NASA Cyber Attack

"In 2019, two Chinese citizens, members of a Chinese hacking gang, were charged with gaining illegal access to a NASA computer in order to steal data."

  1. The 2007 Estonia Cyber Attack

The incident was sparked by the Estonian government's plan to relocate a Soviet World War II memorial of a Bronze Soldier from central Tallinn, Estonia's capital, to a military cemetery4. Russian Estonians honoured their losses by laying flowers on the location during the WW-II holidays. Estonia was on cyberattack in April and May 2007. Government and legislative portals, ministries, news sources, big banks, and small businesses were all attacked over a three-week period, mostly by DDoS attacks.

  1. A Cyber Attack on Sony's PlayStation Network

PlayStation Network and Qriocity services were taken offline as a consequence of a security breach, with the personal information of over 77 million registered PlayStation Network and Qriocity users stolen reason is"an illegal and unauthorised incursion," stated by the company.

  1. Adobe Cyber Attack

In October 2013, hackers obtained login information and approximately 3 million credit card details from 38 million Adobe users, making it the 17 largest data breaches of the twenty-first century.

  1. The 2014 Cyber Attack on Yahoo

Hackers targeted Yahoo's user database directly in 2014, affecting 500 million people. Account credentials such as people's names, email addresses, passwords, phone numbers, and birthdays were apparently obtained by the attackers.

  1. Ukraine's Power Grid Attack

On December 23, 2015, an attack on Ukraine's power infrastructure occurred, causing power disruptions for around 230,000 users in Ukraine for 1-6 hours.

  1. 2017 WannaCry Reandomsware Cyber Attack

In 2017, ransomware attacks in history occurred, affecting over 200,000 systems in 150 countries. This outbreak had a huge impact on various businesses and cost the world almost 6 billion pounds!

  1. A Cyber Attack on Marriott Hotels went unnoticed for years

Marriott victim of the greatest data breaches in history. That hack exposed the personal information of 500 million people who had placed a Starwood hotel reservation.

  1. The biggest password leak yet

Combining prior data leaks and breaches, the unknown password hacker shared a gigantic 100GB TXT file with 8.4 billion password entries.


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