Top 50 Cyber Security Attacks

Lots of major companies rely on the internet to conduct business and provide their services. Unfortunately, this makes them vulnerable to cyber security threats.

Here are 50 of the largest cyber attacks leveraged against companies

1) Yahoo 

• Date: August 2013
• Consequences: Over 3 billion accounts exposed

2) LinkedIn 

• sDate: June 2021
• Consequences: Over 700 million accounts exposed

3) Facebook

• Date: April 2019
• Consequences: Over 500 million accounts exposed 

4) FriendFinder 

• Date: October 2016
• Consequences: Over 400 million accounts exposed

5) NetEase

• Date: October 2015
• Consequences: Over 1 billion accounts exposed 

6) Adobe 

• Date: October 2013 
• Consequences: Over 38 million accounts exposed 

7) Dubsmash

• Date: December 2018 
• Consequences: Over 600 million accounts exposed 

8) My Fitness Pal

• Date: February 2018 
• Consequences: Over 150 million accounts exposed 

9) Court Ventures 

• Date: October 2013
• Consequences: Over 200 million accounts exposed

10) MySpace 

• Date: June 2013
• Consequences: Over 300 million accounts exposed 

11) Marriott International

• Date: September 2018 
• Consequences: Over 500 million accounts exposed 

12) Sina Weibo

• Date: March 2020
• Consequences: Over 500 million accounts exposed 

13) Alibaba

• Date: November 2019
• Consequences: Over 1 billion accounts exposed 

14) Yahoo (Again)

• Date: 2014 
• Consequences: Over 3 billion accounts exposed 

15) Citibank 

• Date: June - October 1995
• Consequences: Over $10 million lost  

16) Delta Airlines 

• Date: 2004
• Consequences: Over $500 million in damages 

17) Playstation

• Date: April 2011
• Consequences: Over 700 million accounts exposed

18) Citigroup

• Date: 2011
• Consequences: Over $2.7 million lost 

19) Global Bank Heist 

• Date: 2013
• Consequences: Over $1 billion lost

20) Mt Gox Bitcoin 

• Date: February 2014 
• Consequences: Over 400 million (in bitcoin) 

21) CAM4 

• Date: March 2020
• Consequences: Over 10 billion records exposed 

22) Aadhaar

• Date: March 2018 
• Consequences: Over 1 billion records exposed 

23) First American Financial Corporation

• Date: May 2019
• Consequences: Over 885 million accounts exposed 

24) Heartland 

• Date: March 2008 
• Consequences: Over $145 million lost 

25) Badoo

• Date: July 2013 
• Consequences: Over 100 million records exposed 

26) Capital One 

• Date: July 2013
• Consequences: Over 100 million records exposed 

27) Quora

• Date: December 2018
• Consequences: Over 100 million records exposed 

28) Rambler

• Date: March 2014 
• Consequences: Over 98 million records exposed 

29) Anthem

• Date: February 2015
• Consequences: Over 78 million records exposed 

30) Tumblr

• Date: February 2013
• Consequences: Over 65 million records exposed 

31) T-Mobile

• Date: August 2018
• Consequences: Over 40 million records exposed 

32) Bangladeshi Bank Heist

• Date: February 2016
• Consequences: Over $81 million stolen 

33) MyHeritage

• Date: June 2018 
• Consequences: Over 90 million records exposed 

34) Home Depot

• Date: September 2014
• Consequences: Over 50 million records exposed 

35) Ashley Madison

• Date: July 2015
• Consequences: Over 30 million records exposed

36) Evite

• Date: August 2013
• Consequences: Over 100 million records exposed 

37) Youku 

• Date: December 2016
• Consequences: Over 90 million records exposed 

38) Apollo

• Date: July 2018
• Consequences: Over 200 million records exposed 

39) TJX 

• Date: July 2005
• Consequences: Over 45 million records exposed 

40) MGM Grand  

• Date: February 2020
• Consequences: Over 140 million records exposed 

41) Dailymotion 

• Date: October 2016
• Consequences: Over 85 million accounts exposed  

42) VK 

• Date: January 2012 
• Consequences: Over 100 million accounts stolen 

43) Uber

• Date: 2016 
• Consequences: Over 55 million records exposed 

44) Canva 

• Date: May 2019 
• Consequences: Over 130 million records exposed 

45) eBay

• Date: February - March 2014 
• Consequences: Over 145 million records exposed  

46) Equifax

• Date: September 2017 
• Consequences: Over 145 million records exposed 

47) Deep Root Analytics 

• Date: June 2017 
• Consequences: Over 198 million records exposed 

48) Twitter

• Date: May 2018 
• Consequences: Over 300 million records exposed 

49) SocialArks

• Date: January 2021 
• Consequences: Over 200 million accounts stolen

50) Microsoft

• Date: 2021
• Consequences: Over 38 million records exposed